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Question:

Slate tiling, grouting and sealing.?

I have thinset my slate tiles in place, and washed any thin set off as best as I can with water. I can‘t seem to get some of the thinset marks off, how important is this? Also, how long should I let the tiles dry before I can seal them? (I want to seal before grouting). One last thing, my sealer product says to grout 2 hours after sealing? This seems fast...will the sealer be dry enough?

Answer:

Ideally you could have sealed your slate before setting (as long as you kept the sealer off the edges of the tiles). This would have made thinset and grout clean-up much easier. You really need to get all the thinset off your tiles. At this point you might need some hot water, a scrungy pad and some elbow grease. If that doesn't do it then you'll need to use a cleaning solution - maybe they have something where you bought the slate (make sure it's safe for natural stone). So after the tiles are thinset free, you can seal - again only the tops of the tile. If sealer gets down the sides your grout will not grab hold as well. Apply enough sealer to coat, but avoid puddling. You can grout after 2 hrs - but you can wait longer if you like. I would seal your grout after it dries as well. Hope this helped... Rich
Yikes! in case you seal the tile till now you grout, you will have bonding issues, grout to tile. you're able to desire to alter the feel of the floor of the grout to be helpful. The invisible, penetrating sealers won't comfortable out the grout floor, it incredibly is a prerequisite for protecting it sparkling. make certain you have a sufficiant coat to be helpful. as some distance by using fact the kind is going, ask your tile corporation who lays the main tile interior the section. That installer provides you with the final tip on your grout sealer.

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