Protected membrane roof system for high traffic roof areas

Details Protected membrane roof system for high traffic roof areas Protected membrane roof system for high traffic roof areas

1984-12-24

1987-04-21

Braun, Leslie

Static structures (e.g., buildings)

With synthetic resinous component

Foam

52408, E04C 202, E04C 232, E04B 700

Patent

active

046585540

ABSTRACT:
An insulated roofing system is provided in which a waterproof membrane is applied to the roof deck. Extruded panels of closed cell polystryrene foam are provided on top of the membrane, thus protecting the membrane from thermal cycling, ultraviolet rays, and physical damage. The foam panels provide excellent insulation and are resistant to water. A waterproof plastic film is bonded to the under surface of each panel positively to exclude water. The foam panels are extruded and are provided on the upper surface with integral ribs spaced by grooves. Concrete panels are laid directly on top of the polystyrene foam and lie gravitationally on the ribs. The ribs provided for ventilation and moisture removal on hot, dry days.

REFERENCES:
patent: 3318744 (1967-05-01), Hurley
patent: 3892899 (1975-07-01), Klein
patent: 4370374 (1983-01-01), Raabe et al.
patent: 4464215 (1984-08-01), Cogliano
patent: 4492064 (1985-01-01), Bynoe

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