Alfredo P. Rose - Newport RI Theodore A. Saillant - Woonsocket RI Stephen A. Siener - Greene RI
Assignee:
Cooley, Incorporated - Pawtucket RI
International Classification:
B32B 508
US Classification:
428110, 428192, 442 58
Abstract:
Roofing of plastic sheet (preferably very flexible polypropylene) has embedded in it reinforcing threads of a higher tenacity (preferably ultra high molecular weight polyethylene) in a narrow mounting area along a panel edge, and other threads of lower tenacity in other areas of the panel (and preferably in the mounting area as well), the threads being preferably weft-knitted with nine by nine thread count throughout.