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US 5,852,077 AGranted
Lightweight, waterproof, insulating, cementitious compositions and methods for forming and using such compositions
AssigneeComposite Industries of America, Inc.
InventorsJoseph M. Zawada, Sandra K. Zawada
Life of this patent
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Abstract
A lightweight, cementitious composition and method which includes a noncementitious filler, Portland cement, bentonite, diatamaceous earth and lime. The noncementitious filler may be sawdust, rubber chips, flyash or combinations of two or more of these ingredients. Once mixed with water and air, the composition can be molded to form a variety of structures, including electrically nonconductive posts, and can be used to absorb and contain liquid contaminants in a vessel.
Claims25
A lightweight, cementitious composition comprising:
- a dry mix including:
- 1-6 parts of a filler material, said filler material including rubber chips,
- 1-4 parts bentonite,
- 1-3 parts Portland cement, and
- 1-3 parts diatomaceous earth;
- and
- 1-5 parts water mixed with said dry mix.
4 more elements
A lightweight cementitious composition comprising:
- a dry mix including:
- 1-6 parts sawdust,
- 1-3 parts Portland cement,
- 1-3 parts bentonite,
- 1-3 parts diatomaceous earth, and
- 1-2 parts lime;
- and
- 1-5 parts water mixed with said dry mix.
5 more elements
Dependencies are inferred from the claim text.