COLORTEC PETRA is a high-performance cementitious grout formulated with hydraulic binders, silica, polymer resin, and special additives for grouting joints up to 25 mm wide between natural and artificial stone. It is ideal for indoor and outdoor applications on floors and walls finished with marble, granite, and other stone materials. COLORTEC PETRA forms a compact, abrasion-resistant, and non-shrinking surface that hardens without cracking, offering excellent durability and a smooth, easy-to-clean finish. Designed to prevent surface efflorescence, it ensures both aesthetic and long-term performance in demanding environments.
