FIELD OF THE INVENTION

The present invention relates to a modular room unit and more particularly to a modular room unit according to preamble of claim 1.

The present invention further relates to a building and more particularly to a building according to preamble of claim 6.

The present invention further relates to a method for providing a sound insulated pipe and more particularly to a method for providing a sound insulated pipe according to preamble of claim 15.

BACKGROUND OF THE INVENTION

It is known to build sound insulating walls around waste water pipes because waste water pipes provides a disturbing noised in buildings.

In the prior art the sound insulating walls are built on site. One of the problems associated with the prior art is that building on site is complicated and inefficient.

Different kind of element shafts are also known in prior art. Element shafts are not suitable for pipes of the modular room units because element shafts do no enable connecting a pipe to a modular room unit at a factory such that pipes of successive modular room units may be connected together on a construction site and the length of the successive pipes may be adjusted on the construction site according to tolerances of the building and the modular room units.

BRIEF DESCRIPTION OF THE INVENTION

An object of the present invention is to provide a modular room unit, a building and a method for providing a sound insulated pipe so as to solve or at least alleviate the prior art disadvantages.

The objects of the invention are achieved by a modular room unit which is characterized by what is stated in the independent claim 1.

The objects of the invention are further achieved by a building unit which is characterized by what is stated in the independent claim 6.

The objects of the invention are achieved by a method for providing a sound insulated pipe which is characterized by what is stated in the independent claim 15.

The preferred embodiments of the invention are disclosed in the dependent claims.

The invention is based on the idea of providing a modular room unit. The modular room unit comprises modular room unit walls defining a room space of the modular room unit. The modular room unit walls comprise a first wall element. The first wall element comprising an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element. The first wall element having an upper end and a lower end, the upper end of the first wall element being above the lower end of the first wall element. The first wall element extending between the upper end and the lower end of the first wall element. The modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element. The first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element. The second sound insulation wall element is provided at a distance from the first sound insulation wall element. The first sound insulation wall element and the second sound insulation wall element defining an elongated pipe channel extending in a direction between the upper end and the lower end of the first wall element. The modular room unit further comprises an elongated installation opening between the first sound insulation wall element and the second sound insulation wall element, and the elongated installation opening extending in a direction between the upper end and the lower end of the first wall element.

In one embodiment, the modular room unit comprises modular room unit walls defining a room space of the modular room unit. The modular room unit walls comprise a first wall element. The first wall element comprises an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element. The first wall element having an upper end and a lower end, the upper end of the first wall element being above the lower end of the first wall element. The first wall element extending between the upper end and the lower end of the first wall element. The modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element. The first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element. The second sound insulation wall element is provided at a distance from the first sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element defining an elongated pipe channel extending in a direction between the upper end and the lower end of the first wall element. The modular room unit further comprises an elongated installation opening between the first sound insulation wall element and the second sound insulation wall element, and the elongated installation opening extending in a direction between the upper end and the lower end of the first wall element. The first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the first edge extending in a direction between the upper end and the lower end of the first wall element. The modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element .

This means that a modular room unit having an elongated pipe channel such that the modular room unit is simple to manufacture and suitable for living.

In one embodiment, the first sound insulation wall element and the second sound insulation wall element extending from the upper end of the first wall element or from the vicinity of the upper end of the first wall element to the lower end of the first wall element or to the vicinity of the lower end of the first wall element.

In an alternative embodiment, the first sound insulation wall element and the second sound insulation wall element extending between the upper end of the first wall element and the lower end of the first wall element, the first sound insulation wall element and the second sound insulation wall element extending from the lower end of the first wall element or from the vicinity of the lower end of the first wall element at a distance from the upper end of the first wall element towards the lower end of the first wall.

In other words, the upper end of the first wall element and the upper end of the first wall element being below the upper end of the first wall element.

This provides a support surface for a pipe channel extension element on the first wall element. In one embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer.

This improves sound insulation of the first and the second sound insulation wall element.

In an alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet.

The thin metal sheet provides impact and moisture resistant layer which may support the second layer.

In another alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet and a second layer is made of an acoustic material.

The thin metal sheet provides impact and moisture resistant layer which may support the second layer made of an acoustic material.

In a yet alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet and a second layer is made of an acoustic material, the first layer having a first thickness and the second layer having a second thickness, and the second thickness is greater than five times the first thickness.

The thin metal sheet provides impact and moisture resistant layer which may support the second layer made of an acoustic material such that the second layer damping vibrations.

In a yet alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet and a second layer is made of a moisture resistant and impact resistant sound insulation material, and the first layer having a first thickness and the second layer having a second thickness and the second thickness is greater than five times the first thickness.

The thin metal sheet provides impact and moisture resistant layer which may support the second layer made of an acoustic material such that the second layer damping vibrations.

In a yet alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet and a second layer comprising an acoustic polymer material or rubber material or melamine foam, and the first layer having a first thickness and the second layer having a second thickness and the second thickness is greater than five times the first thickness.

The thin metal sheet provides impact and moisture resistant layer which may support the second layer made of an acoustic material such that the second layer damping vibrations.

In a yet alternative embodiment, the first sound insulation wall element and the second sound insulation wall element comprise a first layer and a second layer, and the first layer being a thin metal sheet and a second layer comprising an acoustic polymer material or rubber material or melamine foam, and the first layer having a first thickness and the second layer having a second thickness and the second thickness is greater than ten times the first thickness.

This kind of second layer effectively damp vibrations in the first layer.

In one embodiment, the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the second sound insulation wall element protruding from the outer wall surface in a direction away from room space, the second sound insulation wall element having a second edge at a distance from the outer wall surface in a direction away from the room space, and the first edge and the second edge extending in a direction between the upper end and the lower end of the first wall element.

This provides a simple structure for the elongated pipe channel.

In one embodiment, the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the first sound insulation wall element comprises a first support portion provided to the first edge, and the first support portion extending in a direction transverse relative to the first sound insulation wall element.

This provides a simple structure for the elongated pipe channel and a support surface for a fourth sound insulation wall element covering the elongated installation opening.

In an alternative embodiment, the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the first sound insulation wall element comprises a first support portion provided to the first edge, the first support portion extending in a direction transverse relative to the first sound insulation wall element, and the second sound insulation wall element being similar to the first sound insulation wall element.

In another alternative embodiment, the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, the first sound insulation wall element comprises a first support portion provided to the first edge, and the first support portion extending in a direction transverse relative to the first sound insulation wall element, the first sound insulation wall element comprises a second support portion at a distance from the first support portion in a direction away from the outer wall surface.

This provides a simple structure for the elongated pipe channel and a support surface for two separate layers of the fourth sound insulation wall element arranged to be covering the elongated installation opening.

In a yet alternative embodiment the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, the first sound insulation wall element comprises a first support portion provided to the first edge, and the first support portion extending in a direction transverse relative to the first sound insulation wall element, the first sound insulation wall element comprises a second support portion at a distance from the first support portion in a direction away from the outer wall surface, and the second sound insulation wall element being similar to the first sound insulation wall element.

This provides a simple structure for the elongated pipe channel and a support surface for two separate layers of the fourth sound insulation wall element covering the elongated installation opening.

In one embodiment, the modular room unit further comprises a pipe provided to the pipe channel.

The pipe is connected to the modular room unit in a factory and thus, on site work is decreased.

In an alternative embodiment, the modular room unit further comprises a pipe provided to the pipe channel, and the pipe being a waste water pipe.

The first sound insulation wall element and the second sound insulation wall element efficiently reduce noise of a waste water pipe.

In one embodiment, the pipe comprises a pipe branch protruding from the pipe towards the room space.

The pipe branch reduces on site work as the modular room unit comprises a pipe branch from the room space to the pipe. The water devices inside the room space may be easily connected to the pipe branch.

In another alternative embodiment, the modular room unit further comprises a pipe provided to the pipe channel, the pipe is mounted with a first pipe support to the first sound insulation wall element, and the pipe being a waste water pipe.

The first sound insulation wall element and the second sound insulation wall element efficiently reduce noise of a waste water pipe.

In a yet another alternative embodiment, the modular room unit further comprises a pipe provided to the pipe channel, the modular room unit comprises a first pipe support, the pipe is mounted with the first pipe support to the first support portion or to second support portion or to the first support portion and to the second support portion , and the pipe being a waste water pipe.

The first pipe support being a temporary support for the waste water pipe.

The first pipe support prevents covering the sound insulated channel without removing the first pipe support. The pipe may not be connected to the first and second sound insulation walls when the building is ready because pipe connected to the first and second sound insulation walls causes vibrations in the first and second sound insulation walls.

In a yet another alternative embodiment, the modular room unit further comprises a pipe provided to the pipe channel, the modular room unit comprises first pipe support, the pipe is mounted with the first pipe support to the first support portion or to second support portion or to the first support portion and to the second support portion, and the pipe being a telescopic waste water pipe. The telescopic waste water pipe provides a simple way to adjust a length of the waste water pipe according to a distance between floors of a building.

In one embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element.

The third sound insulation wall element improves noise reduction of the first wall element.

In another embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element or the third sound insulation wall element is provided to the first wall element, and the third sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element.

In other words, the first wall element may comprise sound insulation material.

The third sound insulation wall element improves noise reduction of the first wall element.

In an alternative embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending from the first sound insulation wall element to the second sound insulation wall element.

The third sound insulation wall element further improves noise reduction of the first wall element when the third sound insulation wall element extending from the first sound insulation wall element to the second sound insulation wall element.

In another alternative embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element; the third sound insulation wall element extending from the first sound insulation wall element to the second sound insulation wall element; the first sound insulation wall element, the second sound insulation wall element and the third sound insulation wall element comprise a first layer and a second layer; and the first layer being a thin metal sheet.

In a yet another embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element; the third sound insulation wall element extending from the first sound insulation wall element to the second sound insulation wall element; the first sound insulation wall element, the second sound insulation wall element and the third sound insulation wall element comprise a first layer and a second layer; the first layer being a thin metal sheet; the first layer of the third sound insulation wall element extending from the first layer of the first sound insulation wall element to the first layer of the second sound insulation wall element; and the first layer of the third sound insulation wall element is integrated of fixed to the first layer of the first sound insulation wall element and the first layer of the second sound insulation wall element.

This provides a uniform structure which improves noise reduction.

In a yet another embodiment, the first wall element is made of sound proof material.

The first wall element providing one wall of the pipe channel.

The present invention further relates to a building comprising a first intermediate floor and a second intermediate floor, the second intermediate floor is positioned above the first intermediate floor; the modular room unit comprising modular room unit walls defining a room space of the modular room unit, the modular room unit walls comprise a first wall element, the first wall element comprises an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element, the first wall element having an upper end and a lower end, and the first wall element extending between the upper end and the lower end, the modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element; the first sound insulation wall element and the second sound insulation wall element are provided to the first wall element, and the first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element; and the second sound insulation wall element is provided at a distance from the first sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element providing a pipe channel between the first intermediate floor and the second intermediate floor, and the pipe channel extending in a direction between the upper end and the lower end of the first wall element.

In one embodiment, the building comprises a first intermediate floor and a second intermediate floor, the second intermediate floor is positioned above the first intermediate floor. The building comprises a modular room unit comprising modular room unit walls defining a room space of the modular room unit, the modular room unit walls comprise a first wall element, the first wall element comprises an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element, the first wall element having an upper end and a lower end, and the first wall element extending between the upper end and the lower end of the first wall element. The modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element. The first sound insulation wall element and the second sound insulation wall element are provided to the first wall element, and the first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element. The second sound insulation wall element is provided at a distance from the first sound insulation wall element , the first sound insulation wall element and the second sound insulation wall element providing a pipe channel between the first intermediate floor and the second intermediate floor, and the pipe channel extending in a direction between the upper end and the lower end of the first wall element. The first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the first edge extending in a direction between the upper end and the lower end of the first wall element.

The first wall element is made of sound proof material or the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element.

This means that the building comprising a modular room unit having an elongated pipe channel such that the modular room unit is simple to manufacture and suitable for living.

In one embodiment, the first sound insulation wall element protruding from the outer wall surface of the first wall element in a direction away from room space , the first sound insulation wall element having a first edge at a distance from the outer wall surface of the first wall element, and the first edge extending in a direction between the upper end and the lower end of the first wall element, and the second sound insulation wall element protruding from the outer wall surface in a direction away from room space, the second sound insulation wall element having a second edge at a distance from the outer wall surface in a direction away from the room space, and the first edge and the second edge extending in a direction between the upper end and the lower end of the first wall element.

The first sound insulation wall element and the second sound insulation wall element are joined to the outer wall surface of the first wall element. The structure of the first wall element is uniform. In other words, the pipe channel does not affect the structure of the first wall element.

In an alternative embodiment, the first sound insulation wall element having a first edge at a distance from the outer wall surface of the first wall element, the first edge extending in a direction between the upper end and the lower end of the first wall element, the second sound insulation wall element having a second edge at a distance from the outer wall surface of the first wall element, and the second edge extending in a direction between the upper end and the lower end of the first wall element, the modular room unit further comprises an elongated installation opening between the first sound insulation wall element and the second sound insulation wall element, and the installation opening extending in a direction between the upper end and the lower end of the first wall element, the modular room unit comprises a fourth sound insulation wall element extending between the first edge and the second edge or fourth sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element in the vicinity of the first edge and in vicinity of the second edge, and the fourth sound insulation wall element covering the elongated installation opening.

In another alternative embodiment, the first sound insulation wall element having a first edge at a distance from the outer wall surface of the first wall element, the first edge extending in a direction between the upper end and the lower end of the first wall element, the second sound insulation wall element having a second edge at a distance from the outer wall surface of the first wall element, and the second edge extending in a direction between the upper end and the lower end of the first wall element, and the modular room unit comprises a fourth sound insulation wall element extending between the first edge and the second edge or fourth sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element in the vicinity of the first edge and in vicinity of the second edge.

In one embodiment, the fourth sound insulation wall element comprises a third layer and a fourth layer.

The third layer and the fourth layer together efficiently provide good sound insulation element.

In an alternative embodiment, the fourth sound insulation wall element comprises a third layer and a fourth layer, and the third layer and the fourth layer being construction board. The third layer and the fourth layer together efficiently provide good sound insulation element and the construction boars is easily available on construction sites

In another alternative embodiment, the fourth sound insulation wall element comprises a third layer and a fourth layer, and the third layer comprising polymer or rubber material and the fourth layer being construction board.

In a yet another alternative embodiment, the fourth sound insulation wall element comprises a third layer and a fourth layer, and the third layer comprising acoustic polymer material or rubber material or melamine foam and the fourth layer being construction board.

The acoustic polymer material or rubber material or melamine foam having a good sound insulation feature and they have moisture resistant materials In a yet another alternative embodiment, the fourth sound insulation wall element comprises a third layer and a fourth layer, and the third layer comprising acoustic polymer material or rubber material or melamine foam and the fourth layer being a thin metal sheet.

In one embodiment, the second intermediate floor having a first floor surface and a second floor surface, the a second floor surface facing towards the room space of the modular unit, and the first floor surface is opposite to the second floor surface on the other side of the second intermediate floor; the pipe channel comprises a pipe channel upper end and a pipe channel lower end; the pipe channel being elongated and the pipe channel extending from the pipe channel upper end to the pipe channel lower end; the pipe channel upper end being below the first floor surface; the building comprises a pipe channel extension element extending between the pipe channel upper end and the first floor surface of the second intermediate floor.

The pipe channel extension element forming a sound insulated cavity extending between the first intermediate floor and the second intermediate floor.

In one embodiment, the pipe channel extension element extending between the pipe channel upper end and the first floor. In an alternative embodiment, the pipe channel extension element extending from the pipe channel upper end to between the first floor surface and the second floor surface of the second intermediate floor.

In another alternative embodiment, the pipe channel extension element extending from the pipe channel upper end to between the first and the second floor surface, and the pipe channel and the pipe channel extension element forming a sound insulated cavity.

In a yet another alternative embodiment, the pipe channel extension element extending from the pipe channel upper end to between the first floor surface and the second floor surface of the second intermediate floor, and the pipe channel and the pipe channel extension element forming a sound insulated cavity from the first intermediate floor to the second intermediate floor.

In a yet another alternative embodiment, the pipe channel extension element extending between the pipe channel upper end and the first floor surface, and the pipe channel and the pipe channel extension element forming a sound insulated cavity between the first intermediate floor and the second intermediate floor.

In one embodiment, the building comprises a sound absorbing material inside the pipe channel.

In an alternative embodiment, the building comprises a sound absorbing material inside to the pipe channel and inside the pipe channel extension element.

The sound absorbing material further reduces noise of the pipe.

In another alternative embodiment, the building comprises a sound absorbing material inside the pipe channel, and the sound absorbing material being mineral wool or glass wool .

In a yet another alternative embodiment, the building comprises a sound absorbing material inside the pipe channel and inside the pipe channel extension element, and the sound absorbing material being mineral wool or glass wool.

The mineral wool and glass wool are easily available on construction site.

In a yet another alternative embodiment, the building comprises a sound absorbing material inside the pipe channel, and the sound absorbing material being acoustic polymer material, In a yet another alternative embodiment the building comprises a sound absorbing material inside the pipe channel and inside the pipe channel extension element, and the sound absorbing material being acoustic polymer material.

The acoustic polymer material is effective to absorb sounds.

In one embodiment, the pipe channel extension element comprises extension element walls.

In an alternative embodiment the building comprises a filling material provided to second opening, and the pipe channel extension element being the filling material in the second opening

In another alternative embodiment, the pipe channel extension element comprises extension element walls, the extension element walls comprise construction boards.

Construction boards are easily available on construction sites and simple to install.

In a yet another alternative embodiment, the pipe channel extension element comprises extension element walls, the extension element walls comprise a fifth layer and a sixth layer, and the sixth layer comprising an acoustic polymer material or rubber material or melamine foam and the fifth layer being thin metal sheet.

This means that walls of the pipe channel extension element having similar structure with the first and the second sound insulation wall element.

In a yet another alternative embodiment, the pipe channel extension element comprises extension element walls, the extension element walls comprise a fifth layer and a sixth layer, and the sixth layer comprising acoustic material and the fifth layer being thin metal sheet, and the pipe channel extension element being prefabricated.

In a yet another alternative embodiment, the pipe channel extension element comprises extension element walls, the extension element walls comprise a fifth layer and a sixth layer, and the sixth layer comprising an acoustic polymer material or rubber material or melamine foam and the fifth layer being thin metal sheet, and the pipe channel extension element being prefabricated.

The present invention enables prefabricating the pipe channel extension element.

In one embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, and the building comprises a filling material provided to second opening between the first floor surface and the second floor surface.

This means that the second opening is provided to be fire proof with the filling material.

In an alternative embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, the pipe extending through the second opening, and the building comprises a filling material provided to second opening between the first floor surface and the second floor surface.

In another alternative embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, the pipe extending through the second opening, the building comprises a filling material provided to second opening between the first floor surface and the second floor surface, and the pipe comprises a second pipe support extending into the filling material.

This means that the second opening is provided to be fire proof with the filling material and the pipe is connected to a concrete floor which does transfer noise.

In a yet alternative embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, and the building comprises a filling material provided to second opening between the first floor surface and the second floor surface, the pipe channel extension element comprises a filling material mould element, the pipe comprises a second pipe support fixed to the first intermediate floor, and the second pipe support supporting the pipe to the first intermediate floor.

The filling material mould element inside the pipe channel extension element reduces on site work.

In a yet alternative embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, and the building comprises a filling material provided to second opening between the first floor surface and the second floor surface, the pipe channel extension element comprises a filling material mould element inside the pipe channel extension element, the filling material mould element extending between the pipe and extension element walls, the pipe comprises a second pipe support extending into the filling material, and the second pipe support is arranged to connect the pipe with the filling material to the second intermediate floor.

In a yet alternative embodiment, the building comprises a second opening in the second intermediate floor, the second opening extending from the first floor surface to the second floor surface, and the building comprises a filling material provided to second opening between the first floor surface and the second floor surface, the pipe channel extension element comprises a filling material mould element, the filling material mould element extending between the pipe and extension element walls, the pipe comprises a second pipe support extending into the filling material, the second pipe support is arranged to mount the pipe with the filling material to the second intermediate floor, and the pipe comprises a fire protection sleeve connected to the second intermediate floor.

The floor is provided to be fire proof.

In one embodiment, the pipe channel and the fourth sound insulation wall defining the sound insulated cavity.

In an alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel and the fourth sound insulation wall defining the sound insulated cavity.

In another alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel, the third sound insulation wall and the fourth sound insulation wall defining the sound insulated cavity.

In a yet alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel, the first wall element and the fourth sound insulation wall defining the sound insulated cavity.

The building may comprise any above disclosed embodiment of the the modular room unit,

In one embodiment, the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending from the first sound insulation wall element to the second sound insulation wall element.

The present invention further relates to a method for providing a sound insulated pipe. The method comprises:

- prefabricating a modular room unit comprising modular room unit walls defining a room space of the modular room unit, the modular room unit walls comprise a first wall element, the first wall element comprising an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element, the first wall element having an upper end and a lower end, the first wall element extending between the upper end and the lower end, the modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element, the second sound insulation wall element is provided at a distance from the first sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element defining an elongated pipe channel extending in a direction between the upper end and the lower end of the first wall element;

- providing a building comprising a first intermediate floor and a second intermediate floor, the second intermediate floor being above the first intermediate floor, the second intermediate floor having a first floor surface and a second floor surface, the second floor surface facing towards the room space of the modular unit, and the first floor surface is opposite to the second floor surface on the other side of the second intermediate floor;

- installing a pipe into the elongated pipe channel of the prefabricated modular room unit, the pipe extending in a direction between the upper end and the lower end of the first wall element;

- supporting the prefabricated modular room unit to the building ; and

- covering the pipe in the elongated pipe channel with a fourth sound insulation wall element for forming a sound insulated cavity around the pipe.

In one embodiment, the method comprises:

- prefabricating a modular room unit comprising modular room unit walls defining a room space of the modular room unit, the modular room unit walls comprise a first wall element, the first wall element comprising an inner wall surface towards the room space of the modular unit and an outer wall surface opposite to the inner wall surface on the other side of the first wall element, the first wall element having an upper end and a lower end, the first wall element extending between the upper end and the lower end, the modular room unit further comprises a first sound insulation wall element and a second sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element extending in a direction between the upper end and the lower end of the first wall element, the second sound insulation wall element is provided at a distance from the first sound insulation wall element, the first sound insulation wall element and the second sound insulation wall element defining an elongated pipe channel extending in a direction between the upper end and the lower end of the first wall element, the first sound insulation wall element protruding from the outer wall surface in a direction away from room space, the first sound insulation wall element having a first edge at a distance from the outer wall surface, and the first edge extending in a direction between the upper end (13) and the lower end of the first wall element, and the first edge extending in a direction between the upper end and the lower end of the first wall element and the modular room unit comprises a third sound insulation wall element provided on the outer wall surface of the first wall element, and the third sound insulation wall element extending between the first sound insulation wall element and the second sound insulation wall element,

- providing a building comprising a first intermediate floor and a second intermediate floor, the second intermediate floor being above the first intermediate floor, the second intermediate floor having a first floor surface and a second floor surface, the second floor surface facing towards the room space of the modular unit, and the first floor surface is opposite to the second floor surface on the other side of the second intermediate floor;

- installing a pipe into the elongated pipe channel of the prefabricated modular room unit, the pipe extending in a direction between the upper end and the lower end of the first wall element;

- supporting the prefabricated modular room unit to the building; and

- covering the pipe in the elongated pipe channel with a fourth sound insulation wall element for forming a sound insulated cavity around the pipe.

This means that the modular room unit is simple to manufacture and suitable for living.

In one embodiment, the pipe comprises a second pipe support, and the method comprises connecting the second pipe support to the second intermediate floor for forming a supported pipe.

In one embodiment, the pipe comprises a second pipe support, and the method comprises connecting the second pipe support to the first intermediate floor for forming a supported pipe.

In one embodiment, the pipe comprises a second pipe support extending from the pipe into the second opening, and the method comprises connecting the second pipe support with the filling material to the second intermediate floor for forming a supported pipe.

The pipe is supported such that the noise in the pipe is dampened.

In an alternative embodiment, the pipe comprises a first pipe element, a second pipe element and a second pipe support extending from the pipe into the second opening, the second pipe element being above the first pipe element, and the method comprises connecting the second pipe support with the filling material to the second intermediate floor for forming a supported pipe and joining the first pipe element and the second pipe element together for forming a joined and supported pipe, and a joint between the first pipe element and the second pipe element being above the first floor surface of the second intermediate floor.

In another alternative embodiment, the pipe comprises a first pipe element, a second pipe element and a second pipe support extending from the pipe into the second opening, the second pipe element being above the first pipe element, and the method comprises connecting the second pipe support with the filling material to the second intermediate floor for forming a supported pipe and joining the first and the second pipe element together for forming a joined and supported pipe, and a joint between the first pipe element and the second pipe element being below the second floor surface of the second intermediate floor.

In another alternative embodiment, the pipe comprises a first pipe element, a second pipe element and a second pipe support extending from the pipe into the second opening, the second pipe element being above the first pipe element, and the method comprises connecting the second pipe support with the filling material to the second intermediate floor for forming a supported pipe and joining the first and the second pipe element together for forming a joined and supported pipe, and a joint between the first pipe element and the second pipe element being between the first floor surface and the second floor surface of the second intermediate floor.

In one embodiment, the pipe channel comprises a pipe channel upper end and a pipe channel lower end, the pipe channel being elongated and the pipe channel extending from the pipe channel upper end to the pipe channel lower end, the pipe channel upper end being below the second floor surface, and the method comprises providing a pipe channel extension element between the pipe channel upper end and the second intermediate floor.

In an alternative embodiment, the pipe channel comprises a pipe channel upper end and a pipe channel lower end, the pipe channel being elongated and the pipe channel extending from the pipe channel upper end to the pipe channel lower end, the pipe channel lower end being above the first intermediate floor, and the method comprises providing a pipe channel extension element between the pipe channel lower end and the first intermediate floor.

In another alternative embodiment, the pipe channel comprises a pipe channel upper end and a pipe channel lower end, the pipe channel being elongated and the pipe channel extending from the pipe channel upper end to the pipe channel lower end, the pipe channel upper end being below the second floor surface, the pipe channel lower end being above the first intermediate floor, and the method comprises providing a pipe channel extension element between the pipe channel upper end and the second intermediate floor and method comprises providing a pipe channel extension element between the pipe channel lower end and the first intermediate floor.

In one embodiment, the method comprises providing a sound insulated cavity with a sealing material.

In one embodiment, the pipe channel and the fourth sound insulation wall defining the sound insulated cavity.

In an alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel and the fourth sound insulation wall defining the sound insulated cavity.

In another alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel, the third sound insulation wall and the fourth sound insulation wall defining the sound insulated cavity.

In a yet alternative embodiment, the first intermediate floor, the second intermediate floor, the pipe channel, the first wall element and the fourth sound insulation wall defining the sound insulated cavity.

The building in the step of providing a building may be any above disclosed embodiment of the building.

The modular room unit may be any above disclosed embodiment of the modular room unit.

An advantage of the invention is that it provides a modular room unit comprising a sound insulated channel for a pipe and particularly for a waste water pipe. The sound insulated channel comprises an elongated opening such that position of the waste water pipe may be adjusted inside the sound insulated channel and waste water pipe may comprises several elements and the elongated opening enables connecting the waste water pipe elements together. This reduces work on site as the sound insulated channel is provided to the prefabricated modular room unit in a factory.

Furthermore, the first and the second wall of the sound insulated channel may be provided with moisture and impact resistant materials and other wall surrounding the waste water pipe may comprise construction boards. The construction boards may be fixed to the first and the second wall on construction site inside a building when the building is weather proof

Furthermore, the pipe may be connected to concrete floor such that supporting of the pipe reduces noise..

Furthermore, the pipe may connected to concrete floor with a filling material and the filling material provides at the same time a sound proof joint between sound insulated cavity and the floor of a building.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention is described in detail by means of specific embodiments with reference to the enclosed drawings, in which

Figure la shows schematically a front view of modular room unit according to one embodiment of the present invention;

Figure lb shows schematically a top view of the modular room unit of figure la;

Figure 2a - 2c show schematically a top view of an elongated pipe channel of a modular room unit according to different embodiments of the present invention;

Figure 2d shows schematically a top view of a sound insulation wall element of a modular room unit according to one embodiment of the present invention;

Figure 3a - 5 show schematically a top view of an elongated pipe channel of a modular room unit according to different embodiments of the present invention;

Figure 6 shows schematically a front view of a building according to one embodiment of the present invention;

Figure 7 shows schematically a top view of the building of figure 6;

Figure 8 shows schematically a top view of an elongated pipe channel of a modular room unit according to one embodiment of the present invention; and

Figures 9 and 10 show schematically a top view of pipe channel extension element of a building according to different embodiments of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Figure la and lb show schematically one embodiment of a modular room unit 1. The modular room unit 1 comprises modular room unit walls 10 defining a room space 100 of the modular room unit 1.

In the context of this application modular room unit means a prefabricated room. It should be noted that typically the modular room unit further comprises a roof and floor slab.

The modular room unit walls 10 comprise a first wall element 10a. The first wall element 10a comprising an inner wall surface 11 towards the room space 100 of the modular unit 1 and an outer wall surface 12 opposite to the inner wall surface 11 on the other side of the first wall element 10a. The first wall element 10a having an upper end 13 and a lower end 14. The upper end 13 being above the lower end 14 when the modular room unit 1 being in a normal operation position. The first wall element 10a extending between the upper end 13 and the lower end 14. The modular room unit 1 further comprises a first sound insulation wall element 21 and a second sound insulation wall element 22. The first sound insulation wall element 21 and the second sound insulation wall element 22 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The second sound insulation wall element 22 is provided at a distance from the first sound insulation wall element 21. The first sound insulation wall element 21 and the second sound insulation wall element 22 defining an elongated pipe channel 300 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The modular room unit 1 further comprises an elongated installation opening 301 between the first sound insulation wall element 21 and the second sound insulation wall element 22, and the installation opening 301 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

The installation opening 301 providing an access to the elongated pipe channel 300.

In one embodiment, the modular room unit 1 further comprises a pipe 30 provided to the pipe channel 300. In one embodiment, the pipe 30 being a waste water pipe.

In the context of this application, a waste water pipe is a pipe that carries waste water or liquid waste inside a building.

In one embodiment, the pipe 30 comprises a pipe branch 33 protruding from the pipe 30 towards the room space 100.

In one embodiment, the first sound insulation wall element 21 and the second sound insulation wall element 22 extending from upper end 13 to the lower end 14 of the first wall element 10a.

In an alternative embodiment, the first sound insulation wall element 21 and the second sound insulation wall element 22 extending from the vicinity of the upper end 13 to the lower end 14 of the first wall element 10a.

In one embodiment, the first wall element 10a is made of sound proof material.

The sound proof material is material which impeding sound propagation. The sound proof material may reflect or absorb or rflect and absorb the energy of the sound waves.

In one embodiment, the first sound insulation wall element 21 protruding from the outer wall surface 12 in a direction away from room space 100, the first sound insulation wall element 21 having a first edge 211 at a distance from the outer wall surface 12, and the first edge 211 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a, and the second sound insulation wall element 22 protruding from the outer wall surface 1 in a direction away from the room space 100, the second sound insulation wall element 22 having a second edge 212 at a distance from the outer wall surface 12 in a direction away from the room space 100, and the first edge 211 and the second edge 212 extending in a direction between the upper end 13 and the lower end 1 of the first wall element 10a.

In one embodiment, the building 1000 comprises a second opening 430 in the second intermediate floor 42. The second opening 430 extending from the first floor surface 421 to the second floor surface 422. The building 1000 comprises a filling material 440 provided to second opening 430 between the first floor surface 421 and the second floor surface 422.

Typically, the filling material comprises a cement or gypsum. The filling material may be concrete or grout.

In one embodiment, the pipe 30 comprises a second pipe support 32 extending into the filling material 440. In one embodiment, the second pipe support 32 is arranged to connect the pipe with the filling material 440 to the second intermediate floor 42.

In one embodiment, the pipe channel extension element 50 comprises a filling material mould element 60 inside the pipe channel extension element 50.

In one embodiment, the pipe channel extension element 50 comprises a filling material mould element 60 inside the pipe channel extension element 50. The filling material mould element 60 extending between the pipe 30 and extension element walls 51 (shown in figure 9).

In one embodiment, the pipe comprises a fire protection sleeve 70 connected to the second intermediate floor 42.

Figure 2a shows schematically a top view of an elongated pipe channel of a modular room unit according to one embodiment.

In this embodiment, the first sound insulation wall element 21 and the second sound insulation wall element 22 comprise a first layer 201 and a second layer 202.

In the context of this application, a layer means a thickness of some substance.

In one embodiment, the first layer 201 being a thin metal sheet.

In one embodiment, the second layer is provided between the pipe 30 and the first layer 201.

In one embodiment, second layer 202 is made of an acoustic material.

In the context of this application, the acoustic material means material which absorbs sound or dampen echoes or dampen reverberation or dampen reflections or dampen vibrations or reduce noise level between different spaces or any combination thereof.

In the context of this application, acoustic absorption refers to the process by which a material takes in sound energy when sound waves are encountered. Part of the absorbed energy is transformed into heat and part is transmitted through the absorbing material.

In one embodiment, the second layer 202 is made of a moisture resistant and impact resistant sound insulation material.ln the context of this application, a moisture resistant material means a material which resists a damaging action of water such that a strength of material and dimensions of the material remains when the material wets.

In the context of this application, an impact resistant material means a material which resume its normal shape spontaneously after an impact. The sound insulation material means material is able to reduce noise level between different spaces.

In one embodiment, the second layer 202 comprising polymer or rubber material.

In one embodiment, the second layer 202 comprising acoustic polymer or rubber material or melamine foam.

For instance, acoustic polymers may be polyethylene (PE) or Polyurethane (PU) or polyether block amide (PEBA) . PE can be obtained in several forms based on density such as high-density polyethylene (HDPE), mediumdensity polyethylene (MDPE) and low-density polyethylene (LDPE). There is also a variety called ultrahigh molecular weight polyethylene (UHMWPE). Figure 2b shows schematically a top view of an elongated pipe channel of a modular room unit according to one embodiment.

In one embodiment, the modular room unit 1 comprises a third sound insulation wall element 23 provided on the outer wall surface 12 of the first wall element 10a, and a third sound insulation wall element 23 extending between the first sound insulation wall element 21 and the second sound insulation wall element 22.

In one embodiment, the third sound insulation wall element 23 extending from the first sound insulation wall element 21 to the second sound insulation wall element 22.

Figure 2c shows schematically a top view of an elongated pipe channel of a modular room unit according to one embodiment.

In this embodiment, the modular room unit 1 comprises a third sound insulation wall element 23 provided on the outer wall surface 12 of the first wall element 10a. The third sound insulation wall element 23 comprise a first layer 201 and a second layer 202.

In one embodiment, the first layer 201 being a thin metal sheet.

In one embodiment, the third sound insulation wall element 23 extending from the first sound insulation wall element 21 to the second sound insulation wall element 22. The first sound insulation wall element 21, the second sound insulation wall element 22 and the third sound insulation wall element 23 comprise a first layer 201 and a second layer 202. The first layer 201 being a thin metal sheet, the first layer 201 of the third sound insulation wall element 23 extending from the first layer 201 of the first sound insulation wall element 21 to the first layer 201 of the second sound insulation wall element 22. The first layer 201 of the third sound insulation wall element 23 is integrated of fixed to the first layer 201 of the first sound insulation wall element 21 and to the first layer 201 of the second sound insulation wall element 22.

In other words, a thin metal sheet profile providing the first layer 201 of the first sound insulation wall element 21, the first layer 201 of the second sound insulation wall element 22 and the first layer 201 of the third sound insulation wall element 23.

Figure 2d shows schematically a top view of a sound insulation wall element of a modular room.

In one embodiment, the first sound insulation wall element 21 and the second sound insulation wall element 22 comprise a first layer 201 and a second layer 202

In one embodiment, the first layer 201 having a first thickness T1 and the second layer 202 having a second thickness T2, and the second thickness T2 is greater than five times the first thickness Tl.

In another embodiment, the first layer 201 having a first thickness Tl and the second layer 202 having a second thickness T2, and the second thickness T2 is greater than ten times the first thickness Tl.

In the context of this application, thickness means the smallest of three dimensions of length, width, and thickness.

In one embodiment, the first layer 201 being a thin metal sheet and a second layer 202 is made of an acoustic material, and the first layer 201 having a first thickness Tl and the second layer 202 having a second thickness T2 and the second thickness T2 is greater than five times the first thickness Tl.

In another embodiment, the first layer 201 being a thin metal sheet and a second layer 202 is made of an acoustic material, and the first layer 201 having a first thickness Tl and the second layer 202 having a second thickness T2 and the second thickness T2 is greater than ten times the first thickness Tl.

Figure 3a shows schematically a top view of an elongated pipe channel of a modular room unit.

In one embodiment, the first sound insulation wall element 21 protruding from the outer wall surface 12 in a direction away from room space 100. The first sound insulation wall element 21 having a first edge 211 at a distance from the outer wall surface 12, and the first edge 21 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The first sound insulation wall element 21 comprises a first support portion 221 provided to the first edge 211. The first support portion 221 extending in a direction transverse relative to the first sound insulation wall element 21.

In one embodiment, the second sound insulation wall element 22 comprises a third support portion 223 provided to the second edge 212. The first support portion 221 and the third support portion extending in a direction transverse relative to the first sound insulation wall element 21.

In one embodiment, the first support portion 221 of the first sound insulation wall element 21 is similar to the third support portion 223 of the second sound insulation wall element 22.

In one embodiment, the second sound insulation wall element 22 being similar to the first sound insulation wall element 21.

In this embodiment, the first support portion 221 protruding from the first edge 211 in a direction away from the elongated pipe channel and the third support portion 223 protruding from the second edge 212 in a direction away from the elongated pipe channel.

Figure 3b shows schematically a top view of an elongated pipe channel of a modular room unit.

This embodiment differs from the embodiments shown in figure 3a such that the first support portion 221 protruding from the first edge 211 in a direction towards the elongated pipe channel and the third support portion 223 protruding from the second edge 212 in a direction towards the elongated pipe channel.

Figure 4 shows schematically a top view of an elongated pipe channel of a modular room unit.

In one embodiment, the first sound insulation wall element 21 protruding from the outer wall surface 12 in a direction away from room space 100, the first sound insulation wall element 21 having a first edge 211 at a distance from the outer wall surface 12, and the first edge 211 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a, the first sound insulation wall element 21 comprises a first support portion 221 provided to the first edge 211. The first support portion 221 extending in a direction transverse relative to the first sound insulation wall element 21. The first sound insulation wall element 21 comprises a second support portion 222 at a distance from the first support portion 221 in a direction away from the outer wall surface 12.

In one embodiment, the second sound insulation wall element 22 comprises a third support portion 223 provided to the second edge 212. The first support portion 221 and the third support portion extending in a direction transverse relative to the first sound insulation wall element 21.

In one embodiment, the second sound insulation wall element 22 comprises a fourth support portion 224 at a distance from the third support portion 223 in a direction away from the outer wall surface 12.

In other words, a distance between the outer wall surface 12 and the second support portion 222 is greater than a distance between the outer wall surface 12 and the first support portion 221.

In other words, a distance between the outer wall surface 12 and the fourth support portion 224 is greater than a distance between the outer wall surface 12 and the third support portion 223.

In one embodiment, the first sound insulation wall element 21 further comprises a first connecting portion 225, the first connecting portion 225 extending from the first support portion 221 to the second support portion 222,

In one embodiment, the second sound insulation wall element 22 further comprises a second connecting portion 226, the second connecting portion 226 extending from the third support portion 223 to the fourth support portion 224.

In one embodiment, the first support portion 221, the second support portion 222, the first connecting portion 225, the second connecting portion 226, the third support portion 223 and the fourth support portion 224 are made of thin metal sheet.

In one embodiment, the first support portion 221, the second support portion 222, the first connecting portion 225, the second connecting portion 226, the third support portion 223 and the fourth support portion 224 are made of thin metal sheet and the first support portion 221, the second support portion 222, the first connecting portion 225, the second connecting portion 226, the third support portion 223 and the fourth support portion 224 forming an integrated a thin metal sheet form.

In one embodiment, the second sound insulation wall element 22 being similar to the first sound insulation wall element 21.

Figure 5 shows schematically a top view of an elongated pipe channel of a modular room unit.

In one embodiment, the modular room unit 1 further comprises a pipe 30 provided to the pipe channel 300.

In one embodiment, the pipe 30 is mounted with a first pipe support 31 to the first sound insulation wall element 21.

In one embodiment, the pipe 30 is mounted with a first pipe support 31 to the first sound insulation wall element 21 and to the second insulation wall element 22.

In one embodiment, the first pipe support 31 is mounted to the first support portion 221 and to the third support portion 223.

In one embodiment, the first pipe support 31 is mounted to the first support portion 221.

In one embodiment, the first pipe support 31 is mounted to second support portion 222 and to the first support portion 221 (not shown in figures).

In one embodiment, the first pipe support 31 is mounted to third support portion 223 and to the fourth support portion 224 (not shown in figures).

In one embodiment, the first pipe support 31 is mounted to second support portion 222 and to the fourth support portion 224 (not shown in figures).

Figure 6 and 7 show schematically a front view of a building according to one embodiment of the present invention.

The building 1000 comprises a first intermediate floor 41 and a second intermediate floor 42. The second intermediate floor 42 is positioned above the first intermediate floor 41.

The building 1000 further comprises a modular room unit 1 supported to the first intermediate floor 41. The modular room unit 1 comprises modular room unit walls 10 defining a room space 100 of the modular room unit 1. The modular room unit walls 10 comprise a first wall element 10a. The first wall elementlOa comprises an inner wall surface 11 towards the room space 100 of the modular unit 1 and an outer wall surface 12 opposite to the inner wall surface 11 on the other side of the first wall element 10a. The first wall element 10a having an upper end 13 and a lower end 14. The first wall element 10a extending between the upper end 13 and the lower end 14. In other words, the first wall element 10a being in an upright position. The modular room unit 1 further comprises a first sound insulation wall element 21 and a second sound insulation wall element 22. The first sound insulation wall element 21 and the second sound insulation wall element 22 are provided to the first wall element 10a, and the first sound insulation wall element 21 and the second sound insulation wall element 22 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The second sound insulation wall element 22 is provided at a distance from the first sound insulation wall element 21, the first sound insulation wall element 21 and the second sound insulation wall element 22 defining a pipe channel 300 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

In one embodiment, the first sound insulation wall element 21 protruding from the outer wall surface 12 in a direction away from room space 100, the first sound insulation wall element 21 having a first edge 211 at a distance from the outer wall surface 12, and the first edge 211 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The second sound insulation wall element 22 protruding from the outer wall surface 12 in a direction away from room space 100. The second sound insulation wall element 22 having a second edge 212 at a distance from the outer wall surface 12 in a direction away from the room space 100. The first edge 211 and the second edge 212 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

In one embodiment, the first sound insulation wall element 21 having a first edge 211 at a distance from the outer wall surface 12 of the first wall element 10a, the first edge 211 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The second sound insulation wall element 22 having a second edge 212 at a distance from the outer wall surface 12 of the first wall element 10a, and the second edge 212 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a, the modular room unit 1 further comprises an elongated installation opening 301 between the first sound insulation wall element 21 and the second sound insulation wall element 22, and the installation opening 301 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

In one embodiment, the modular room unit 1 further comprises a fourth sound insulation wall element 24 extending between the first edge 211 and the second edge 212, or the fourth sound insulation wall element 24 extending between the first sound insulation wall element 21 and the second sound insulation wall element 22 in the vicinity of the first edge 211 and in vicinity of the second edge 212. The second intermediate floor 42 having a first floor surface 421 and a second floor surface 422, the a second floor surface 42 facing towards the room space 100 of the modular unit 1. The first floor surface 421 is opposite to the second floor surface 422 on the other side of the second intermediate floor 42. The pipe channel 300 comprises a pipe channel upper end 311 and a pipe channel lower end 312. The pipe channel upper end 311 being above the pipe channel lower end 312. The pipe channel 300 being elongated and the pipe channel 300 extending from the pipe channel upper end 13 to the pipe channel lower end 312.

In one embodiment, the pipe channel upper end 311 being below the second floor surface 422, and the building 1000 comprises a pipe channel extension element 50 extending between the pipe channel upper end 311 and the second intermediate floor 42.

In one embodiment, the pipe channel extension element 50 extending between the pipe channel upper end 13 and the first floor surface 421.

In one embodiment, the pipe channel extension element 50 extending from the pipe channel upper end 13 to between the first floor surface 421 and the second floor surface 422 of the second intermediate floor 42.

In one embodiment, the pipe channel extension element 50 extending from the pipe channel upper end 311 to between the first and the second floor surface 422, and the pipe channel 300 and the pipe channel extension element 50 forming a sound insulated cavity.

In one embodiment, the pipe channel extension element 50 extending from the pipe channel upper end 311 to between the first and the second floor surface 422, and the pipe channel 300 and the pipe channel extension element 50 forming a sound insulated cavity from the first intermediate floor 41 to the second intermediate floor 42.

In one embodiment, the pipe channel extension element 50 extending between the pipe channel upper end 311 and the first floor surface 421, and the pipe channel 300 and the pipe channel extension element 50 forming a sound insulated cavity between the first intermediate floor 41 and the second intermediate floor 42.

In one embodiment, the first intermediate floor 41, the second intermediate floor 42, and the pipe channel 300 and the pipe channel extension element 50 forming a sound insulated cavity.

In one embodiment, the first intermediate floor 41, the second intermediate floor 42, and the pipe channel 300 and the pipe channel extension element 50 forming a sound insulated cavity provided with the filling material.

In one embodiment, the building 1000 comprises a sound absorbing material inside the pipe channel 300.

In one embodiment, the building 1000 comprises a sound absorbing material inside to the pipe channel 300 and inside the pipe channel extension element 50.

In one embodiment, the sound absorbing material being mineral wool.

In one embodiment, the building 1000 further comprises an upper modular room unit la supported to the second intermediate floor 42.

The upper modular room unit la being similar to the modular room unit 1.

The upper modular room unit la comprises the first wall element 10a, the first sound insulation wall element 21 and the second sound insulation wall element 22.

In one embodiment, the filling material 440 provides a sound insulated joint between the pipe channel extension element 50 and the second intermediate floor 42.

In one embodiment, the filling material 440 providing a sound insulated joint between the first and the second sound insulation wall element 21,22 of the upper modular room unit la and the and the second intermediate floor 42.

In one embodiment, the filling material 440 providing a sound insulated joint between the first, the second and the third sound insulation wall element 21,22, 23 of the upper modular room unit la and the and the second intermediate floor 42.

In one embodiment, the filling material 440 providing a sound insulated joint between the first, the second, the third and the fourth sound insulation wall element 21,22, 23, 24 of the upper modular room unit la and the and the second intermediate floor 42.

In one embodiment, the pipe 30 extending through the second opening 430.

In one embodiment, the upper modular room unit la comprises a second pipe element 332, and the modular room unit 1 comprises a first pipe element 331, and the second pipe element 332 and the first pipe element 331 are connected together.

Figure 8 shows schematically a top view of an elongated pipe channel of a modular room unit according to one embodiment. The fourth sound insulation wall element 24 comprises a third layer 203 and a fourth layer 204.

In one embodiment, the third layer 203 and the fourth layer 204 being a construction board.

In one embodiment, the construction board being a gypsum board, a plywood board or a cement based board.

In one embodiment, the fourth sound insulation wall element 24 comprises a third layer 203 and a fourth layer 204, and the third layer 203 comprising polymer or rubber material and the fourth layer 204 being construction board.

In one embodiment, the fourth layer 204 providing a layer of an interior wall extending between the first intermediate floor 41 and second intermediate floor 42.

Figure 9 shows schematically a top view of pipe channel extension element of the building.

The pipe channel extension element 50 comprises extension element walls 51.

In one embodiment the extension element walls 51 comprise construction boards.

In one embodiment, each of the extension element walls 51 comprises two layer of construction boards.

Figure 10 shows schematically a top view of pipe channel extension element of the building.

The pipe channel extension element 50 comprises the extension element walls 51. The extension element walls 51 comprise a fifth layer 511 and a sixth layer 512.

In one embodiment, the sixth layer 512 comprising polymer or rubber material and the fifth layer 511 being thin metal sheet.

In one embodiment, the sixth layer 512 being similar to the second layer 202 and the fifth layer 511 being similar to the first layer 201.

In one embodiment, the fifth layer 511 being thin metal sheet.

It should noted that embodiment of figures 2a - 5 may be incorporated with the embodiments of figures la and lb.

It should noted that embodiment of figures la - 5 and 8 - 9 may be incorporated with the embodiments of figures 6 and 7. The present invention further provides a method for providing a sound insulated pipe.

The method comprises following steps:

- prefabricating a modular room unit 1 comprising modular room unit walls 10 defining a room space 100 of the modular room unit 1. The modular room unit walls 10 comprise a first wall element 10a, the first wall element 10a comprising an inner wall surface 11 towards the room space 100 of the modular unit 1 and an outer wall surface 12 opposite to the inner wall surface 11 on the other side of the first wall element 10a, the first wall element 10a having an upper end 13 and a lower end 14, the first wall element 10a extending between the upper end 13 and the lower end 14. The modular room unit 1 further comprises a first sound insulation wall element 21 and a second sound insulation wall element 22. The first sound insulation wall element 21 and the second sound insulation wall element 22 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a. The second sound insulation wall element 22 is provided at a distance from the first sound insulation wall element 21. The first sound insulation wall element 21 and the second sound insulation wall element 22 defining an elongated pipe channel 300 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

- providing a building 1000 comprising a first intermediate floor 41 and a second intermediate floor 42. The second intermediate floor 42 being above the first intermediate floor 41. The second intermediate floor 42 having a first floor surface 421 and a second floor surface 422. The second floor surface 422 facing towards the room space 100 of the modular unit 1, and the first floor surface 421 is opposite to the second floor surface 422 on the other side of the second intermediate floor 42.

- installing a pipe 30 into the elongated pipe channel 300 of the prefabricated modular room unit 1. The pipe 30 extending in a direction between the upper end 13 and the lower end 14 of the first wall element 10a.

- supporting the prefabricated modular room unit 1 to the building 1000; and

- covering the pipe 30 in the elongated pipe channel 300 with a fourth sound insulation wall element 24 for forming a sound insulated cavity around the pipe 30.

In one embodiment, the step of supporting the prefabricated modular room unit 1 to the building 1000 comprises supporting the prefabricated modular room unit 1 to the first intermediate floor 41.

In one embodiment, the step of supporting the prefabricated modular room unit 1 to the building 1000 comprises supporting the prefabricated modular room unit 1 to another modular room unit.

In other words, the building 1000 comprises plurality of modular room units arranged in a stack and the lowest modular room unit in the stack is supported to a foundation of the building 1000 or to a frame of the building 1000 or to an intermediate floor of the building 1000.

In one embodiment, the pipe comprises a second pipe support 32 extending from the pipe 30 into the second opening 430, and the method comprises connecting the second pipe support 32 with the filling material 440 to the second intermediate floor 42 for forming a supported pipe 30.

In one embodiment, the pipe 30 comprises a first pipe element 331, a second pipe element 332. The second pipe element 332 being above the first pipe element 331. The method comprises joining the first pipe element 331 and the second pipe element 332 together for forming a joined pipe 30. A joint between the first pipe element 331 and the second pipe element 332 being above the first floor surface 421 of the second intermediate floor 42.

In an alternative embodiment, a joint between the first pipe element 331 and the second pipe element 332 being above the first floor surface 421 of the second intermediate floor 42 in the vicinity of the first floor surface 421.

In another alternative embodiment, the joint between the first pipe element 331 and the second pipe element 332 being below the second floor surface of the second intermediate floor 42.

In another alternative embodiment, the joint between the first pipe element 331 and the second pipe element 332 being below the second floor surface 422 of the second intermediate floor 42 in the vicinity of the second floor surface 422.

In a yet another alternative embodiment, a joint between the first pipe element 331 and the second pipe element 332 being between the first floor surface 421 and the second floor surface 422 of the second intermediate floor 42.

In one embodiment, the pipe channel 300 comprises a pipe channel upper end 311 and a pipe channel 300 lower end 14, the pipe channel 300 being elongated and the pipe channel 300 extending from the pipe channel upper end 311 to the pipe channel 300 lower end 14. The pipe channel upper end 311 being below the second floor surface 422. The method comprises providing a pipe channel extension element 50 between the pipe channel upper end 311 and the second intermediate floor 42.

In one embodiment, the step of prefabricating a modular room unit 1 further comprises providing a first pipe support 31 and mounting the pipe 30 with the first pipe support 31 to the first sound insulation wall element 21 and to the second insulation wall element 22.

In one embodiment, the step of prefabricating a modular room unit 1 further comprises providing a first pipe support 31 and mounting the pipe 30 with the first pipe support 31 to the first support portion 221 and to the third support portion 223, or to the second support portion 222 and to the fourth support portion 224.

In one embodiment, the method comprises removing the first pipe support 31 after the step of supporting the prefabricated modular room unit 1 to the building 1000.

In one embodiment, the method further comprises providing a sound absorbing material into the pipe channel 300.

In one embodiment, the method comprises positioning the pipe 30 through the second opening 430.

In one embodiment, the method comprises providing a sound insulated joint between the pipe channel extension element 50 and the second intermediate floor 42 with the filling material 440.

In one embodiment, the building 1000 being any of above disclosed embodiment of a building 1000.

In one embodiment, the modular room unit 1 being any of above disclosed embodiment of a modular room unit 1.

In one embodiment, the upper modular room unit la being any of above disclosed embodiment of a modular room unit 1. The invention has been described above with reference to the examples shown in the figures. However, the invention is in no way restricted to the above examples but may vary within the scope of the claims.