Foster 65-05 WB

Foster Mastic 65-05 WB is a black, tough, durable, high solids vapour barrier for the protection of indoor thermal insulation for in protected outdoor service. Foster Mastic 65-05 WB is an asphalt cutback/ water-based mastic and can be used on all insulation materials including Polystyrene foam. Operating temperature: -30 to 90°C.