Polymer bitumen web

Details Polymer bitumen web Polymer bitumen web

1988-04-15

1990-03-27

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428167, 428194, 428215, 428252, 428291, 428332, 428339, 428346, 428355, 428489, B32B 700, B32B 2700

Patent

active

049119753

ABSTRACT:
A polymer bitumen web for roof covering or the like has a black polymer bitumen sealing layer on the underside of a fabric support and a cover layer which is light colored and preferably white on an upper surface of the support to reflect impinging solar radiation.

REFERENCES:
patent: 4107375 (1978-08-01), Iwasaki
patent: 4291086 (1981-09-01), Auten
patent: 4731284 (1988-03-01), Hailer

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