Patent ID: 11933051
Assignee: CERTAINTEED LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A roofing structure that forms a roof surface, the roofing structure comprising:
a decking layer providing a structural support for the roofing structure;
a base layer disposed over the decking layer, the base layer including a plurality of strips including a first base layer strip adjacent to a second base layer strip so as to form a first base layer seam between the first base layer strip and the second base layer strip;
a cap layer disposed over the base layer, the cap layer including a plurality of strips including a first cap layer strip adjacent to a second cap layer strip so as to form a first cap layer seam between the first cap layer strip and the second cap layer strip, wherein the first cap layer seam is spaced from the first base layer seam along the surface of the roofing structure; and
a plurality of rails disposed over the cap layer and spaced apart across the surface of the roofing structure, the plurality of rails including a first rail aligned with the first base layer seam and a second rail aligned with the first cap layer seam.