Lightweight roofing system

Details Lightweight roofing system Lightweight roofing system

1984-08-10

1987-07-07

Levy, Stuart S.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

52199, 52410, B32B 710, E04B 180, E04B 700

Patent

active

046778004

ABSTRACT:
An insulated roofing system is provided in which a waterproof membrane is applied to the roof deck. Extruded panels of closed cell polystyrene 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 substantially impervious to water. The foam panels are extruded and are provided on the upper surface with integral ribs spaced by grooves. Lightweight reinforced concrete panels are laid directly on top of the polystryene foam and are secured thereto, preferably by adhesive spaced along the ribs. The concrete panels are provided with holes aligned with the grooves between the ribs to provide for ventilation and moisture removal on hot, dry days.

REFERENCES:
patent: 3411256 (1968-11-01), Best
patent: 3763614 (1973-10-01), Hyde et al.
patent: 4349398 (1982-09-01), Kearns et al.
patent: 4397126 (1983-08-01), Nelson
patent: 4490952 (1985-01-01), Winston
patent: 4492064 (1985-01-01), Bynoe
patent: 4512126 (1985-04-01), Walston
patent: 4557081 (1985-12-01), Kelly

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