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There seems to be a lot of disagreement as to whether you can put porcelain tiles directly on exterior grade plywood. I've had product manufacturer representatives say YES, with the right thinset, and I've had installers say both yes and no, with more saying no. Is there a correct answer? Are...

I am preparing to lay large format porcelain tiles. My problem is that the subfloor is uneven/wavy, along with being only 5/8" OSB. My thoughts are to pour on a self leveler to get it flat and level, followed by a layer of 3/4" OSB for strength, then 1/4" hardiebacker. Any thoughts/suggestions?

I'm getting ready to lay down 8"x40" porcelain tiles in a 350 sq ft room. Are there any tips for getting the tiles even with each other? Or any suggestions at all about putting them down?

I'm getting ready to put down large porcelain tiles. My current subfloor is 5/8 OSB. I'm currently flattening the subfloor and am planning on adding another layer of 3/4 OSB on top of it, followed by 1/4" hardiebacker. Is this acceptable? Do I need to use construction adhesive between the OSB...