Roof and method of preparation

Details Roof and method of preparation Roof and method of preparation

1976-04-02

1977-09-06

Bell, J. Karl

Static structures (e.g., buildings)

With means for split-prevention or damaged part repair

523094, 52408, 156 71, E04B 700, E04B 166

Patent

active

040459349

ABSTRACT:
Ponding is eliminated or substantially reduced on flat roofs by employing a closed cell, thermally insulating foam above the water barrier layer and varying the thickness of the closed cell foam to displace at least a majority of water which might accumulate in areas subject to ponding.

REFERENCES:
patent: 3345246 (1967-10-01), Sheahan
patent: 3411256 (1968-11-01), Best
patent: 3763605 (1973-10-01), Freeman
patent: 3763614 (1973-10-01), Hyde et al.

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