Importance

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Abstract

A construction composition comprising an alkalin earth oxide, such as calcium oxide, a siliceous material having a high surface area to volume ratio such as diatomite, cement, fiber and other additive constituents is disclosed. The material may be formed in place or preferably pressure molded to predetermined structural shapes. A method of making the composition is disclosed wherein a dry concentrate of the alkaline earth oxide, siliceous matter, and additives is formed by ball milling; a slurry embodying additional alkaline earth oxide, siliceous material and fiber is formed with heating; and a final composition is formed by mixing the first two mixtures with additional necessary materials, including fiber, cement and siliceous material, to a paste consistency. The paste is preferably molded under pressure and thereafter cured by heating to form structural shapes. The final composition can replace many conventional building materials, may be shaped and fastened after formation similarly to wood, is thermally and acoustically insulative and fire, rot and vermin resistant.

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First Claim