Bostik Colours for Cement use pigments that conform to EN 12878: 2014. Bostik Colours for Cement are lightfast and disperse easily into the dry mix. They do not affect the finished mixture when used as directed. They are suitable for interior and exterior use and are intermixable to give a wide range of shades. Bostik Colours for Cement can be used for concrete and mortar, renders (e.g. walls, swimming pools) and flooring (sand/cement screeds, granolithic floor).