Mapei KeraColor Unsanded Grout is a 10lb. bag of premium-grade, preblended, polymer modified unsanded Portland-cement tile grout that requires only the addition of water for mixing. It will grout joints from 1/16" to 1/8"
For grouting interior/exterior residential and commercial floors and wall surfaces in dry or wet conditions
Contains BioBlock technology for mold and mildew resistance
For grouting dimensional stone, slate, granite, stone agglomerates and most types of ceramic, ceramic mosaic, quarry, brick paver, porcelain, glass and clay tiles