Porous tiles will need to be sealed prior to grouting. Selecting other grouting materials: LATICRETE has grouting materials designed for every use. This product is ideal for installations where a stain resistant colorfast grout is desired.Click to see full answer. Thereof, does all grout need to be sealed?Yes, not every type of grout needs to be sealed. However, before applying epoxy grout, unsealed tiles such as natural stone surfaces must be sealed first. Certain types of tile surfaces, such as non-porcelain ceramic tiles, do not need to be sealed.Subsequently, question is, should I seal the grout in my shower? Shower grout is just a mixture of sand, cement and water; so it is naturally porous and absorbent. Sealer is available in either water- or solvent-based. Sealing your grout at least once a year will help to keep mold and mildew at bay. Allow new grout to cure for 48 to 72 hours before applying sealer. Furthermore, does tile need to be sealed? The surfaces of most ceramic and porcelain tiles do not need to be sealed, although some require a light application of a penetrating sealer to fill the micro pores on the surface of the tile. However, all unglazed tiles including dense porcelains, should be sealed prior to grouting.How long does it take for laticrete grout to dry?LATICRETE would recommend that their cement based grouts (e.g. LATICRETE® PERMACOLOR Select Grout, LATICRETE PERMACOLOR Grout, LATICRETE 1500 Sanded Grout or LATICRETE 1600 Unsanded Grout) cure for a minimum of 72 hours at 70°F (21°C) prior to use of a STONETECH sealer.

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