Larsen Professional Colourfast 360 is a specially formulated, flexible, rapid setting tile grout. This advanced formulation uses Colourfast Technology to ensure uniform joint colour, free from efflorescence.Professional Colourfast 360 is suitable for use as a flexible wall and floor grout. The fine texture provides a smooth, stain, mould and water resistant finish that is suitable for use on most tile types including glazed and unglazed ceramic, porcelain, natural stone and glass tiles.Colourfast Technology utilises advanced polymers, additives and a proprietary hydraulic binder which is free from Portland Cement