A grey, thin-bed, ceramic tile adhesive, with excellent non-slip characteristics. Has a regular setting speed and forms a strong bond to fully vitrified tiles and is ideal for tile-on-tile work. Its flexibility allows it to be used on backgrounds subject to limited movement, flexing or vibration and underfloor heating systems. CTA Flexible is completely waterproof, frost-resistant and is suitable for interior and exterior use, particularly swimming pools, showers, saunas. and bathrooms. This product is ideal for use on porcelain tiles. CE Approved. For fixing all types of ceramic floor and wall tiles, porcelain, mosaics, natural stone and similar wall and floor finished. Can also be used on timber panels, composite boards and impermeable surfaces and on backgrounds subject to limited movement, flexing or vibration and underfloor heating systems.