Cement-foam composite board

Details Cement-foam composite board Cement-foam composite board

1985-02-11

1985-12-17

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283144, 4283166, 4283177, 4283184, 428703, B32B 518, B32B 532, B32B 1312

Patent

active

045592632

ABSTRACT:
A prefabricated cement-foam composite board is provided for use as in a built-up roof construction. The board includes an insulating panel of foam plastic resin, preferably polystyrene, and a layer of lightweight concrete bonded thereto. The lightweight concrete preferably includes a lightweight aggregate and is foamed and further includes a latex. A latex adhesive is used to bond the concrete layer to the foam plastic layer. Reinforcing material may be included in the concrete.

REFERENCES:
patent: 3483664 (1969-12-01), Funk et al.
patent: 3592724 (1971-07-01), King, Jr.
patent: 3892899 (1975-07-01), Klein
patent: 3963849 (1976-06-01), Thompson
patent: 4349398 (1982-09-01), Kearns et al.
patent: 4357384 (1982-11-01), Jasperson

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