Black Jack Solar Reflective Paint (5ltr) is specifically designed for application over primed metal walls and roofs to reduce heat absorption. It is a thin, bituminous-based, aluminium protective paint of brushable consistency which dries to a silvery finish. The product prolongs the life of roof repairs and bituminous coatings, which would otherwise be degraded by UV light. It is suitable for application over primed metals and bituminous coatings. Surfaces must be clean, dry and free from dust, dirt, oil, grease and loose material. Dries in 1 hour at normal temperatures.