Mapei Primer G 5kg is a high-quality, water-based acrylic primer designed for use on absorbent substrates before the application of levelling compounds, adhesives, or smoothing products. This versatile primer from Mapei improves surface adhesion, reduces absorbency, and helps prevent premature drying of subsequent layers. Suitable for both internal wall and floor surfaces, Primer G is easy to apply with a brush or roller and dries quickly for efficient project completion. Its reliable formulation ensures long-lasting performance and compatibility with a wide range of flooring preparation systems.