Patent ID: 7574839
Filing Date: 2009-08-18
Classification: E04C,E04D

Abstract:
1. A roof assembly in which overlapping edges of adjacent panel members are joinable in an assembled mode to provide a seam having resistance to sidelap shear, the roof assembly comprising: a first panel having a female sidelap along one edge thereof and forming a male insertion cavity between a first leg member and at least one other leg member of the female sidelap, one of the other leg members having a female hook portion forming a female retaining groove; a second panel having a male sidelap along one edge thereof, the male sidelap engagable in the male insertion cavity of the first panel, the male sidelap having a male tang member, in the assembled mode the leg with the female hook portion and the male tang member brought thereby into mating contact, with the male tang member lockingly disposed in the female retaining groove of the female hook portion, the female and male sidelaps foldable such that the leg with hook portion and the male tang member are brought into adjacency to provide a standing seam between the first and second panels; and means for increasing the sidelap shear capacity between the female and male sidelaps.