Method of forming a waterproof roof

Details Method of forming a waterproof roof Method of forming a waterproof roof

1984-10-23

1987-06-02

Czaja, Donald

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 82, 156247, 156337, 428 40, 428137, 428291, E04B 200, B32B 3112, C09J 330, A61F 1320

Patent

active

046700714

ABSTRACT:
A roofing method comprises applying to a roof deck a self-adhesive sheet comprising an adhesive and waterproofing layer of bituminous compound so that the sheet adheres to the deck over an area of 10-50% of the total sheet area and water vapor passing through the deck may escape laterally; rendering the upper surface of the sheet adhesive, for example by torching; optionally applying insulation board and a further self-adhesive sheet, and applying a final waterproofing sheet. The use of hot bitumen is completely avoided, the formation of waterproof and insulated roofs is simplified and economies are offered.

REFERENCES:
patent: 4021981 (1977-05-01), Van Wagoner
patent: 4055453 (1977-10-01), Tajima et al.
patent: 4236951 (1980-12-01), Krahma et al.
patent: 4357377 (1982-11-01), Yamamoto
patent: 4397126 (1983-08-01), Nelson
patent: 4443993 (1984-04-01), Fujiki et al.
patent: 4490952 (1985-01-01), Winston
patent: 4492064 (1985-01-01), Bynoe
patent: 4565724 (1986-01-01), Smits

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