Mapei Primer G 1kg is a synthetic resin-based primer in water dispersion. It forms a seamless bonding promoter and improves the adhesion of cementitious mortars, levelling compounds and adhesives for ceramic tiles. Suitable for both interior and exterior use, Mapei Primer G is essential for preparing substrates in the building sector. Its quick-drying, easy to apply, and enhances the performance of the products applied over it.