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Question:

Can I tile over existing linoleum floor?

We are putting new floor in our bathroom but we need some advice. We have linoleum floor on top of linoleum floor. There is also a small area that sinks down when you step on it, because water got under the linoleum floors. The floor right now is not completely glued down, there are some lose parts and that's why we want to get new floors.So is it okay to put cement board over the existing floor and then tile over that?

Answer:

You can but it is wiser to remove all layers of the covering to inspect the sub floor for any additional damage.You can use cement board but only if you are installing ceramic tile, if you are installing a resilient product then ply wood is the best sub floor.
For okorder /... It is always recommended to have a level surface when installing new floors. I wouldn't install over the linoleum... take it out. and level your new subfloor to make your tile flooring really perfect. On this link above are tons of helpful hints on how to do this, what to do etc,. Have a wonderful day!
to do it right......you need to remove the linoleum and the sub-floor because you have an area that sinks down because of water. This is the only way to correct that problem. Also, you had water under there so you probably have mold growing. Its in your best interest to tear it out, put in a new clean sub-floor then tile.
If you have clean linoleum in decent condition, and a good subfloor underneath, then yes, you normally can. In your case though I would say with the multiple layers of lino and the water damage that to do it right you should rip everything out right down to the subfloor, and if that has water damage, replace it, lay some cement board, and then tile. Tiling is such a huge project, and if you cut corners you'll see it in the end result. It might look nice now, but if there's water damage you'll end up seeing the floor sink more in that area, or heave somewhere else, and then you'll have to tear up all your new tile and all the previous layers of floor to fix it anyway.
Sorry, absolutely not , even if you had a solid floor under the vinyl. All layers must come up and sub flooring must be fixed to a ridged flooring.. In most cases a 1/2 cement board then must be installed to bring it up to tile codes as recommended by the ATC and TCA. (American Tile Council and Tile council of America. ) They state the minimum total substrate for tile is 1 1/4 (3/4 sub floor and 1/2 additional added, usualy the 1/2 cement board, properly installed. Any other questions you can e mail me through my avatar and check my qualifications there.. GL

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