For interior/exterior floors and walls Contains BioBlock technology for mold and mildew resistance Keracolor U Unsanded Grout is a premium-grade, preblended, polymer-modified unsanded Portland-cement tile grout that requires only the addition of water for mixing. It will grout ...For interior/exterior floors and walls Contains BioBlock technology for mold and mildew resistance Keracolor U Unsanded Grout is a 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" (1,5 to 3 mm).
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