Twin membrane, self sealing, mechanically fastened insulated roo

Details Twin membrane, self sealing, mechanically fastened insulated roo Twin membrane, self sealing, mechanically fastened insulated roo

1974-05-10

1977-12-20

Murtagh, John E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

523098, 52417, 52437, 52509, 220 9F, E04D 128, E04D 136

Patent

active

040633950

ABSTRACT:
A roofing system comprising a fire resistant rigid class A fire rated board as a substrate having bonded thereto a sheet of foamed, insulating resin and having a tough weather resistant membrane bonded to the upper surface. A ledge of substrate about 1/2 inch wide protrudes beyond the formed sheet to enable the composite to be fastened to a steel roof or the like by mechanical fasteners. The channel formed by the abutting roofing panels is filled with insulating foam and covered with a membrane strip which is attached at its edges to the membrane surface of the roofing panel.

REFERENCES:
patent: 2196807 (1940-04-01), Eckert
patent: 2861525 (1958-11-01), Curtis
patent: 3367492 (1968-02-01), Pratt
patent: 3449879 (1969-06-01), Bloom
patent: 3581779 (1971-06-01), Sylvia

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