Aqua Nano Seal Clear is a transparent Nano-Structured coating that seals of concrete and brick surfaces. The coating seals the pores and gives a wet new look to the surface. Recommended Surfaces : Concrete, Brick Packaging Size : 1 Litre Coverage Area : 48 to 50 Sq.ft./lt (2 coats) Shelf life : 1 year Relim test : 1 ml in 24 Hours Dry Time : 30 minutes