PREPDECK is a powerful long lasting additive which can be added to a wide range of products such as paint, timber, stains, textured coatings, grout, mortar and adhesives. Ideal for extreme weather, hot and cold. It forms a durable film which does not affect the texture or colour of the material to which it has been added. Tropical strength For damp conditions Improves the finish For paints, adhesives,grout, mortar, stains and fillers 50ml treats 10 litres of paint