Roofing membranes and system

Details Roofing membranes and system Roofing membranes and system

1985-09-10

1986-09-09

Thibodeau, Paul J.

Stock material or miscellaneous articles

Sheets or webs edge spliced or joined

523091, 52518, 427186, 428182, 428184, 428332, 428489, B32B 328, E04D 108

Patent

active

046109021

ABSTRACT:
A laminate composition useful as a roofing membrane comprising a top and a bottom layer of plastic film bonded together by a modified bitumen material, the top layer of said laminate either containing or being surface coated with an ultraviolet light resistant and absorbing agent. The inventive laminate has superior elongation and flexibility properties compared to prior art roofing membranes. Additionally, the inventive laminate is light weight and has good aesthetic qualities.
Also provided are a novel embossed laminate, also useful as a roofing membrane, and a novel roofing system comprising a plurality of partially overlapping inventive roof membranes suitably attached to a roof deck.

REFERENCES:
patent: 2190654 (1940-02-01), Eichorn
patent: 3007808 (1961-11-01), Smith
patent: 3460961 (1969-08-01), Young et al.
patent: 3581631 (1971-06-01), Samson et al.
patent: 4288959 (1981-09-01), Murdock
patent: 4320174 (1982-03-01), Rabinovitch
patent: 4421807 (1983-12-01), Clausing et al.

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