Patent ID: 8209938

Claim:
A wall or roof covering for mounting on a support surface, comprising: a plurality of panels securable to the support surface, each having a front surface including a covering section with simulated building elements, an opposed rear surface facing the support surface when secured thereto, an upper marginal edge region and an opposed lower marginal edge region overlying the upper marginal edge region of a vertically-adjacent panel, one of the upper marginal edge region and the lower marginal edge region having an inclined receiving slot defined therein, the other one of the upper marginal edge region and the lower marginal edge region having an inclined insertable flange engageable in the inclined receiving slot of the vertically-adjacent panel, wherein the inclined receiving slot and the inclined insertable flange extend at an angle ranging between 15 and 70 degrees with the support surface when mounted thereto in complementary orientations.