| 摘要 |
PROBLEM TO BE SOLVED: To securely prevent rainwater from leaking down to a roof substrate. SOLUTION: An externally folded piece 1a bent to the external downside is formed at the upper side edge of the roof inclination direction of a roofing board 1, and an internally folded piece 1b bent to the internal upside is formed at the lower side edge. An insertion part 2a inserted and engaged between the inside face of the externally folded piece 1a of the upper side edge of the roofing board 1 and the external face of the roofing board 1 is formed at the upper side edge of a connection plate 2 and a receive part 2b in which the internally folded piece 1b of the lower side edge of the roofing board 1 at the lower side edge of the connection plate 2 is inserted and engaged is formed. The insertion part 2a of the upper side edge of the connection plate 2 is inserted and engaged between the inside face of the externally folded piece 1a of the upper side edge of the roofing board 1 and the external face of the roofing board 1 is inserted and engaged and the upper side edge of the roofing board 1 and the upper side edge of the connection plate 2 are fixed to a roof substrate material T by a fixing means 4. The internal folded piece 1b of the lower side edge of the roofing board 1 roofed at the upper part of the roof inclination direction of the roofing board 1 fixed together is inserted and engaged with the connection plate 2 to the receive part 2b of the lower side edge of the connection plate 2 fixed to the roofing substrate material T. COPYRIGHT: (C)2004,JPO&NCIPI
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