Cures to a tough, flexible, weather resistant film. Because of its ability to retain its pliability, the coating resists damage which may result from expansion and contraction caused by weather and temperature variation. Use as an exteriorunderground foundation coating and dampproofer for brick, concrete, cement block, and similar surfaces. May be used as an underground exterior foundation coating and dampproofer. Covers approximately 1 to 2 gallons per 100 square feet.