Coarse-grained Keracolor GG grout, color 132 Beige 2000, Mapei 5kg. Keracolor GG is a pre-mixed cementitious-based grout, reinforced with polymers, high-performance for joints from 4 to 15 mm. It is classified in group CG2 and is used for interior and exterior grouting on floors and walls for all types of ceramic tiles, such as single-fired, double-fired, clinker, gres porcellanato, terracotta, exterior facing bricks, as well as natural stones, marble, and granite.