Euromix NPS Primer is a water-based primer. Designed specifically for use on smooth and non-porous surfaces such as PVC, metal, glazed bricks, high density concrete and most fired tiles. It provides an excellent base for the application of Euromix Renders, Textures and Paints over non-absorbent surfaces. For internal and external use as a prime coat for non-porous surfaces, where subsequent paint, texture and/or render coats are to be applied. Suitable for application over water-based paints and waterproofing membranes.