Ready to use water based primer for all porous backgrounds. Used for treating surfaces prior to installing tiles using cement based adhesives. Reduces surface porosity, increases adhesive open time and improves bond strength. When carrying out tiling work in the bathroom or kitchen, use this Mapei plaster primer to treat surfaces before installing tiles to seal the walls. This handy product is water-based, so it's suitable for use on all porous backgrounds including plasterboard, plaster and ren

Brand Name	Mapei