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Plywood for bathroom subfloor

Discussion in 'Floors, Stairs and Lofts' started by wrightyintheafternoon, 19 Jun 2019.

  1. wrightyintheafternoon

    wrightyintheafternoon

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  3. blup

    blup

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    Thoughts...

    Either type would be fine, because the rating relates to delamination rather than immersion in moisture or water....in any event you would be tiling over, or otherwise providing protection to the floor. In fact the cheap non structural stuff from wickes would probably be OK

    Blup
     
    Last edited: 20 Jun 2019
  4. wrightyintheafternoon

    wrightyintheafternoon

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    Thanks for that. The structural is much cheaper so will probably go with that. I understand the strength comes from the number of laminates and structural has more than non structural.
     
  5. dazlight

    dazlight

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    Get SP101 plywood. Best plywood out there for flooring.
     
  6. foxhole

    foxhole

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    18mm is too thin for tiling onto alone.Minimum 22mm
     
  7. John D v2.0

    John D v2.0

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    Looks good to me, that structural one is the best for flooring and what i used everywhere. Does need 400 centres to avoid flexing too much.
     
  8. wrightyintheafternoon

    wrightyintheafternoon

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    Hi All, thanks for the replies. Not tiling the floor, so gone with 18mm and 6mm ply topper before the final vinyl flooring. Will be putting noggins under each joint and also where the heaviest loads and stability will be required such as under the shower tray and the bath and toilet. Floor boards were 20mm with 3mm hardboard on top, so gained 1mm which is fine and lines up nicely with the landing carpet.
     
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