Importance

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Abstract

Novel liquid cementitious slurry coating compositions of portland cement, flyash and polymeric emulsions and optionally containing liquid foam and/or reinforcing fibers are applied to solid cellular monoliths to make weather resistant insulative construction boards and units. The slurry coatings are prepared and applied to the surface(s) of cellular monoliths such as beadboard by roller coating, spraying, or the like, allowed to dry and cure. The density of the coatings can be reduced by foaming of the polymeric emulsion and/or by the incorporation of liquid foam into the slurry mix. Varying surface effects may be impressed on the surface of the damp coating prior to drying and curing to produce building or construction units with high insulation properties, weather resistance, and impact resistance characteristics.

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First Claim