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Author
Sentel, C.
Title
Paints for Exterior Masonry Walls.
Coporate
National Bureau of Standards, Washington, DC
Report
BMS 110, November 15, 1947, 21 p.
Keywords
walls | masonry | paints | tests | weather effects | durability | concrete blocks | synthetic rubbers | lightweight aggregates
Abstract
Four clases of masonry paints, cement-water, resin-emulsion, oil-base, and synthetic-rubber, and one whitewash were applied to test wall specimens of new and used common brick; cast concrete; stone-, cinder, and lightweight-aggregate-concrete block; and wood frame with cement-asbestos shingles to determine the durability of such paints on masonry surfaces. Specimens, exposed to atmospheric conditions for approximately 3 years, were rated on weathering characteristics. Durability of the paints was determined on the bases of type of paint used, type of surface coated, methods of application and curing, and conditions of casting and painting.