Roofing composition and structure

Details Roofing composition and structure Roofing composition and structure

Filed on

1980-10-27

Date issued

1982-05-25

Examiner

Foelak, Morton

Patent Class

Stock material or miscellaneous articles

SubClass

Structurally defined web or sheet

SubSubClass

Continuous and nonuniform or irregular surface on layer or...

Other Related Categories

4283179, 521 54, 521 55, 521 91, 521139, 523218, B32B 518

Type

Patent

Status

active

Patent number

043317260

Description

ABSTRACT:
A pourable roofing composition composed of chopped discrete small chunks or pieces of closed cell plastics material, such as polystyrene, polyurethane, and the like; inexpensive granular or powder particles of fly ash or the like inert particulate material which will hold down the light cellular plastic pieces; and an emulsion caulking or sealing type binder or adhesive capable of setting under atmospheric conditions to seal the composition into an all weather resisting waterproof layer. Suitable binders or adhesives are liquid based emulsions of acetates, acrylic resins, epoxy adhesives, and the like. The composition is flowable, can be premixed remote from the building or use site, can be transported to the site in a concrete mixer type truck, and can thereafter be spread over a roof base and screed to the desired contour and level. After an initial set, an overcoat of a sealer such as an acrylic resin-type sealer can be applied.

REFERENCES:
patent: 3251916 (1966-05-01), Newnhorn et al.
patent: 3338848 (1967-08-01), Hamilton
patent: 3697366 (1972-10-01), Horlock et al.
patent: 3711431 (1973-01-01), Vargiu et al.
patent: 3896060 (1975-07-01), Plunquian
patent: 3917547 (1975-11-01), Massey
patent: 4100242 (1978-07-01), Leach

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