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

1975-05-14

1976-05-25

Murtagh, John E.

Static structures (e.g., buildings)

Exterior-type flashing

52273, 52309, E04D 1314

Patent

active

039583732

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: 1928097 (1933-09-01), Fritch
patent: 2996843 (1961-08-01), Mack
patent: 3483664 (1969-12-01), Funk

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