초록 ▼

A cementitious facing material for bonding to either preformed masonry building units or to existing masonry and concrete walls, floors or slabs; comprising a suitable proportioned dry mixture of (1) white Portland cement, (2) washed and screened sand of glass making quality, and (3) paint pigments.

A cementitious facing material for bonding to either preformed masonry building units or to existing masonry and concrete walls, floors or slabs; comprising a suitable proportioned dry mixture of (1) white Portland cement, (2) washed and screened sand of glass making quality, and (3) paint pigments. These thoroughly mixed dry materials are activated into a moist colored concrete mixture of troweling consistancy by the addition of a wetting agent in the correct proportions of water and polyvinyl acetate resin emulsion (containing approximately 50% of solids). The proportions of water and resin in the wetting agent to be based upon the desired percentage of resin to be retained in the facing material after it has been cured. A coating of bonding material is applied to the face of the preformed masonry unit or to the existing masonry or concrete wall, floor or slab and the facing is applied over the bonding material and bonded to the existing base. The composition, when applied as a facing and allowed to cure, forms a water-resistant, wear resistant, resilient, tough, uniformly colored facing having the appearance of fine grained concrete.

대표청구항 ▼

A cementitious facing composition for a building material comprising: about twenty-five (25) parts by volume of a dry mixture in proportions of about 100 parts of portland cement and 200 parts of light aggregate; about four (4) parts by volume aqueous wetting agent to provide a composition having th

A cementitious facing composition for a building material comprising: about twenty-five (25) parts by volume of a dry mixture in proportions of about 100 parts of portland cement and 200 parts of light aggregate; about four (4) parts by volume aqueous wetting agent to provide a composition having the consistency of soft putty when mixed with said mixture of cement and light aggregate, said wetting agent including an aqueous emulsion of 12.5 percent to 37.5 percent by volume of polymer resin solids derived from polymerizable vinyl compounds; said composition when applied as a coating and allowed to dry yielding a water-resistant, wear-resistant, tough and resilient facing having the appearance of cement, and having in the range of 1.96 to 5.66 percent by volume of resin solids retained in the cured composition.