National Spray Plaster Coarse is a ready to use material, based on a single component modified acrylic co-polymer binder and made with precisely graded inert aggregate filler and additives. It is a ready mixed plaster for interior applications. The product is mostly used for filling and leveling major surface imperfections and on hollow concrete block walls. It contains anti fungal and anti bacterial additives. RECOMMENDED USES National Spray Plaster is for internal applications of pre-cast concrete and conventional buildings. It can be applied as a base coat on location ground floor, basement or any upper deck of car park concrete walls and ceilings. It is used for leveling surface imperfections and or to render large sections on concrete, brickwork, masonry by spray application. It can be used up to 8 mm thickness per coat to fill the voids or to level the surface undulations. It is not recommended on damp or surfaces that are subjected to continuous seepage.