Mapei Primer G 1kg is a versatile synthetic resin primer suitable for various applications. It is ideal for treating gypsum surfaces before installing ceramic tiles and can also serve as a fixative for wallpaper adhesives. Additionally, it functions as an anchoring coat for gypsum-based sprayable plasters and enhances the adhesion of smoothing compounds on cementitious, anhydrite, or gypsum surfaces, ensuring uniform absorption across these materials.