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Question about tile on concrete

Posted: Fri Sep 06, 2019 5:00 pm
by ttinman23
Gutted a bathroom and scraped the floor to the concrete slab. Just wondering how much of the glue I have to get off to make sure the the tile sticks to the concrete. The floor isn’t completely clean of the glue, I’m guessing about 75 percent with quarter size patches of glue throughout. Should I keep scraping or you think I’m good to try and put the tile down.

Re: Question about tile on concrete

Posted: Fri Sep 06, 2019 11:39 pm
by Shannon
I will assume you are going to use thinnest to install the tiles. I personally would give this another go with scraping. Try a razor scraper and see if you can get more off.

Re: Question about tile on concrete

Posted: Sat Sep 07, 2019 9:21 am
by A. Spruce
agreed, if using thinset to set the tile, scrape it clean with a razor scraper