Tiling on plywood

Discussion in 'Ceramic & Stone Sales and Installations' started by Greg Dunda, Jan 9, 2018.

  1. Greg Dunda

    Greg Dunda Banned

    Hello I am new to the forum . When I lived in New Jersey It was common practice to To lay floor tile on plywood . I always figured that there needed to be an inch and an eight minimum total thickness . I have done many jobs and never had a problem . Once I had to take up some tiles I put down years prior to continue the pattern into the next room and I had to pulverize the tiles to get them up . One side note was to not use Luan because it has oils in the wood preventing the adhesive from bonding well .I since moved to Virginia and it seems that laying tile without wonder board or durarock is unheard of . So my question is yay or nay to tiling to plywood
     
  2. Mike Antonetti

    Mike Antonetti I Support TFP Senior Member

    I believe that’s what NTCA standards were in the 90’s. it’s changed. Probably they are more concerned with deflection ratios. Hardi/Durock is just to get a better bond. It doesn’t add to rigidity.

    I think it’s 3/4” minimum now? The main factors are movement and bond. I believe there are new thinsets specifically made for plywood. We have removed tile from plywood which didn’t bond too well, from particleboard that stuck extremely well.
     
  3. Mark Brown

    Mark Brown On The Surface Flooring I Support TFP

    You can put tile on plywood until you are blue in the face. Anyone that says different is just stealing your money. Of course as Mike alluded to one still has to adhere to all other industry standards however it is an industry standard to install on ply.
     
    • Agree Agree x 1
  4. Mike Antonetti

    Mike Antonetti I Support TFP Senior Member

    Oh yeah reminds me. Retailer had us put Lauan down for ceramic 10? Years ago, we missed a small spot fastening it to the substrate, the next morning it was a half inch off the floor.
     
  5. Red

    Red Canadian Redneck Charter Member

    Up here in BC Canada it's been done for decades without any problems, if done right. That's the catch, to do it right. ;)
     
    • Agree Agree x 2
  6. Jim McClain

    Jim McClain Owner/Founder Administrator

    Long time, no see, @Red, welcome back.
     
  7. Red

    Red Canadian Redneck Charter Member

    Thank you Jim, I hope you and the site are doing well.
     
    • Like Like x 1
  8. Jim McClain

    Jim McClain Owner/Founder Administrator

    Better with you here than without. :D
     
  9. Mike Antonetti

    Mike Antonetti I Support TFP Senior Member

    Evaluation- joints are not lined up, cracked tile, insufficient crawlspace clearance and ventilation, insufficient trowel notch size, deflection. Ez rip up.
     

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  10. kwfloors

    kwfloors Fuzz on the brain Charter Member I Support TFP Senior Member

    I like tile on wonder board or something that thinset will bond to. I've seen several on plywood that are failing in the long term.
     
    • Like Like x 1
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