To provide a plate roofing material made of a resin, which is lightweight even in a large size and in which step-crack strength can be ensured, and a method for executing it.
A plurality of the first reinforcing ribs 2 being abutted against a batten cleat 15 and having the same height are installed from the rear of a plate roofing material body 1 made of the resin in the flowing direction so as to be approximately equalized to batten-cleat width pitches 4. The second reinforcing ribs 3 abutted against the top face of a roof backing material 16 are mounted among the first reinforcing ribs 2. The side end faces 6 of the plate roofing material made of the resin at an upper stage are fixed mutually while being abutted in the horizontal direction in the same manner as the plate roofing material 19 made of the resin at a lower stage, engaging the front end section 7 of the plate roofing material 20 at the upper stage with an engaging section 17 for a clip 12 on the plate roofing material 19 made of the resin at the lower stage.
| WO/2003/011544 | A METHOD OF FORMING A TILE, A TILE, A ROOFING STRUCTURE AND A MOULD |
| WO/2012/143712 | INTERLOCKABLE TILES |
| WO/2013/162618 | LIGHT WEIGHT MOLDED ROOF TILE WITH INTEGRATED SOLAR CAPABILITIES |
MOMOI YOSHINOBU
KAWAHITO KEIKO
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