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Question:

Can i tile over plywood floor, without using cement board?

Can i tile over plywood floor, without using cement board?

Answer:

No.... just plywood sub floor doesnt allow the proper support for ceramic. Total thickness must be a minimum or 1 1/4 substrate to allow for tile. This is why cement board (1/2) makes an ideal substrate for tile. There is a way to do an extra layer of wood (1/2) but this is a very specific process and must be done right to work.. Now if your doing a vinyl tile you can use a vinyl tile directly over a wood sub floor although a new thin wood (1/4) is suggested to allow the glue to adhere to new wood better. Any questions you can e mail me through my avatar and check my qualifications there. GL
May 11, 2017
it is not the proper way to do it im guessing someone at home depot told you to use cement board but if your tiling not with sticky tiles it will work perfectly fine. me and my mom done it with exterior tiles on a back porch which is not heated if your using it for something thats going to be wet alot also if your doing this for something thats going to last do it the right way . for example our back porch is done without cement board the grout cracked in a few spots and a tile broke because of an accident also some tiles are not stuck to the floor they came up and we used a good amount of tile adhesive our front porch is done with cement board and its even in a colder climate in winter and is flawless.
May 11, 2017
I would recommend the the underlayment bord because it allows for expansion and don't crack your tiles or joints. You can tile over plywood or osb. But its bad to break tiles or joints
May 11, 2017
No...do it right the first time.
May 11, 2017

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