PURPOSE: To provide a working method that is excellent in operability, and produces no waste as mold release paper or the like, sufficient in adhesive strength between an interior material and a bedding after execution, and besides, the original state is easily restorable.
CONSTITUTION: This is a long-size broad duplex adhesive sheet, having each of at least one adhesive layer 2 formed in the longitudinal direction of both sides of a base material 1, and formed with each nonadhesive layer 3 on respective opposite surfaces of the base material 1 corresponding to these adhesive layers 2, and in this constitution, it is stuck to the specified position on a wall surface or ceiling as rewinding a wind roll of the duplex adhesive sheet made up of being rolled. After these procedures, an interior is mounted on the duplex adhesive sheet, whereby it is stuck to a floor face, a wall surface or ceiling in a room.
HORI SANEO
YAMAKAWA MASANORI
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