MAPEI Flexcolor CQ is a professional-grade, ready-to-use specialty grout for precision commercial and residential installations with porcelain, ceramic and natural stone tiles. MAPEI Flexcolor CQ can be used for interior/exterior tile grouting and incorporates DropEffect technology. MAPEI Flexcolor CQ is formulated with the latest innovation in quartz aggregate, ensuring color consistency, ease of cleaning and improved workability. Additionally, this grout can be used on sensitive tile surfaces once tested, requires no sealer and cures naturally from evaporation/dehydration.