Mapei 00132021 Grout Sealer, Liquid, Clear, 946 mL, Bottle

UltraCare" penetrating stone, tile and grout sealer is an economical, natural-look, water-based penetrating sealer that protects against most common stains for all interior and exterior natural stone (marble, limestone, sandstone, slate, granite, travertine and more.), unglazed ceramic tile, masonry and cement grout. The product contains silicon and can also be used as a pre-grouting sealer.