Insulated roofing system with water repellent fabric

Static structures (e.g. – buildings) – Disparate sheet lamina between exposed surfaces of wall,...

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52409, 523098, E04B 700

Patent

active

046692460

ABSTRACT:
A protected membrane roof system is provided comprising a roof deck having a waterproof membrane thereon with panels of foam plastic resin insulation on said membrane. Two layers of fabric, each layer of which repels approximately 60% of water reaching its upper surface, are placed over the insulation. Stone ballast lies on top of the fabric to retain it and protect it against ultraviolet solar radiation.

REFERENCES:
patent: 3125479 (1964-03-01), Finan
patent: 3455076 (1969-07-01), Clarvoe
patent: 3466222 (1969-09-01), Curtis
patent: 3774364 (1973-11-01), Johnson
patent: 4351138 (1982-09-01), McMillan et al.
patent: 4393634 (1983-07-01), McDermott et al.
patent: 4492064 (1985-01-01), Bynoe

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