B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/187
B05D 5/00 (2006.01) C04B 41/49 (2006.01) C04B 41/64 (2006.01) E02D 31/10 (2006.01)
Patent
CA 1155722
ABSTRACT METHOD OF PROVIDING WATERPROOF COATING FOR MASONRY WALLS A simplified method of waterproofing masonry walls such as basement walls subjected to water from the outer surface by coating the inner surface with an anionic silicone emulsion that dries to produce an elastomeric film is disclosed. The silicone emulsion consists essentially of an anionically stabilized hydroxyl endblocked polydior- ganosiloxane, amorphous silica, and an organic tin salt, the emulsion having a pH of 9 or greater. The emulsion coating when dried provides an elasto- meric film that bonds to the surface with sufficient force to resist the pressure of any water that may diffuse through the wall from the outer surface. The method of this invention provides a waterproof coating that also resists the effects of cracks in the substrate, temperature extremes, molds, fungus, or mildew, as well as possessing a long useful life.
369447
Dow Corning Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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