Cleaning Top Set From Finished Porcelain Tile


Old 05-28-15, 03:15 PM
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Cleaning Top Set From Finished Porcelain Tile

Hi Guys,

So I'm getting ready to put in the grout, and am trying to clean off the top set or mortar or whatever it's called from the tile where it got a little messy. I've tried just about everything from a rag to a wire wheel on my hand drill. The wire wheel actually works the best, but also leaves microscopic scratches in the faux wood porcelain so that's out.

The top set is obviously hardened. So what are my options for removing the topset from the porcelain tiles without damaging them? TIA
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Old 05-28-15, 03:24 PM
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I always use a wet sponge while the grout is still damp . . . . and that's still tough (on my hands and knees).
Old 05-28-15, 06:54 PM
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OK, it's thinset mortar. A damp sponge will removed small amounts of thinset from the tiles. Larger gobs can be cut with a single edge razor or your basic utility knife. No need for rotating tools that can cause damage.

Old 05-28-15, 06:55 PM
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Are you talking grout or thinset? You may have success scraping it with a flexible scraper after it sets up. Do not use a grinder.
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