Bostik MC250 Vitri-Flex is a fast-setting, flexible wall and floor tile adhesive in white, ideal for bonding ceramic tiles, quarry tiles, porcelain, vitrified tiles, natural stone, and mosaics to walls and floors. This white adhesive is formulated for fast-track installation, allowing tiles to be grouted in approximately 2 to 3 hours after fixing, depending on conditions. It provides excellent grip and adhesion, suitable for most interior and exterior installations, including those with underfloor heating and areas subject to limited vibration. When fully cured, it is suitable for permanently wet areas such as showers. The adhesive bonds to various surfaces including concrete, plaster, sand/cement render and screeds, blockwork, brickwork, glazed surfaces, vinyl tiles, and plywood overlay. Available in a 20kg bag. It requires no flexible additives and just needs to be mixed with water. Certified C2FT S1.