Mapei Keracolor Sanded Grout

Keracolor S is a premium-grade, pre-blended, polymer-modified sanded Portland-cement tile grout that requires only the addition of water for mixing. It will grout joints from 1/8″ to 5/8″ (3 to 16 mm). For interior and exterior floors and walls. Contains BioBlock technology for mold and mildew resistance.