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Old 05-24-2015, 07:27 PM   #1
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Redoing a subfloor that was tiled


I'm renovating a basement bathroom. I'm currently breaking the floor tiles. Under these tiles is a plywood subfloor that is covered with tile adhesive. See this picture: https://imgur.com/ikCX2Rl . I was considering putting vinyl tiles. However I cant lay them on an uneven surface. So what should I do? Rip the subfloor and make a new one? How would I proceed to remove this subfloor if most of the screws are filled with tile adhesive?
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Old 05-24-2015, 07:57 PM   #2
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The plywood needs to come up. Always a bad idea to put plywood on a concrete floor. Even worse when they put ceramic tiles.
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Old 05-24-2015, 08:06 PM   #3
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Quote:
Originally Posted by rusty baker View Post
Always a bad idea to put plywood on a concrete floor. Even worse when they put ceramic tiles.
So what kind of subfloor should I put there?
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Old 05-24-2015, 08:25 PM   #4
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Someone really messed up.
Tile should have been laid right over the slab. No subfloor needed.
Never ever should there have been plywood installed over the slab.
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Old 05-24-2015, 08:41 PM   #5
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I'm in Montreal, Canada. Tiling directly on the slab seems cold.
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Old 05-24-2015, 09:10 PM   #6
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Quote:
Originally Posted by bighak View Post
I'm in Montreal, Canada. Tiling directly on the slab seems cold.
It's the right way to do it.
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Old 05-25-2015, 12:26 AM   #7
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Quote:
I'm in Montreal, Canada. Tiling directly on the slab seems cold.
Right, and in hopes of having a more comfy floor, they did it wrong. Pry it up, fix the floor and tile on the slab. It'l feel cool the bare feet in the winter, they make slippers for that. If it's very important for the floor to feel warmer, install infloor heat mats.

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