Suitable for interior and exterior applications. Commercial and domestic walls and floors including swimming pools and wet areas. A premium cementitious grout designed for use with most types of ceramic tiles and natural stone applications. Davco Sanitized Colorgrout is design for use in joints from 1-6 mm width. It is not suitable for use in harsh and demanding environments or where there are hygienic requirements i.e. commercial kitchens, public toilets, food processing plants etc. For these types of installations, use a suitable Sika epoxy tile grout.