Topic: Slate on the Bathroom Floor and in the Shower

Author: Phyllis
Date Posted: 9/19/2002
I was thinking of using slate tiles in our new bathroom. Does the slate need any special treatment to use in a shower? Does it work well in a shower and bathroom?

Author: Rick Auricchio
Posted: 10/6/2002

It should work fine. Just make sure you seal the slate and grout. Slate can have an irregular surface texture, depending on what you choose. This is no problem on the walls, but under bare feet you might prefer slate tiles that are less rough.

We used TileLab's SurfaceGard sealer on the kitchen floor; it's an easy-to-use water-based sealer, and it doesn't change the natural stone appearance at all. They claim a 20-year guarantee for the sealer; you can always reseal it by simply applying more: if it isn't absorbed, just wipe it off. Home Depot carries it.

Seal the stone after it's been set, before it's grouted. After the grout has cured for a day or two, seal the grout and try another coat onto the stone itself.

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