Q:

How long does it take for floor grout to dry?

A:

Quick Answer

Floor grout usually dries completely after 24 hours, although humid conditions and other factors can extend this drying time to 48 hours. It is best to avoid walking on freshly grouted tile for at least 24 hours to avoid disturbing the grout and the tile itself.

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Full Answer

In extremely humid areas, grout takes longer to dry, especially if the grouting material is extremely moist during the application process. Experts recommend waiting at least 48 hours to shower in a tiled and grouted bathtub or walk-in shower. If the shower must be used before this deadline, avoid stepping on the grout.

To avoid extending the drying time, installers should wipe excess grout from the surface of the tile with a clean, dry cloth instead of a damp cloth or sponge. Otherwise, the wet rag will saturate the grout again.

After the grout has dried thoroughly, experts recommend sealing the grout against stains, moisture damage and other cosmetic or structural issues. Apply a sealant 48 hours after the grout is installed. This gives the grout time to dry and cure. Many people apply two coats of sealant to completely protect the grout and to integrate the appearance of the grout with the surrounding tile or stone.

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