flange question

Discussion in 'Toilet Forum discussions' started by tony f., Feb 24, 2010.

  1. tony f.

    tony f. New Member

    Messages:
    3
    Location:
    nj
    redoing bathroom, flange sits about 1 & 1/8 " above subfloor. Plumber says to just build up subfloor by doubling 1/2" plywood. Does this sound right. Will be finishing floor with ceramic tile. Should the flange be above tiled floor or level with it.
  2. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,397
    Location:
    Yakima WA
    Flanges should set on top of the finished floor and be screwed through into the sub flooring. With ceramic tile, it's easiest to notch the tile when the screws have to go through rather than drilling. Drilling is possible, but requires special bits. Use #12 stainless steel screws of sufficient length to get well into or through the sub floor.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,331
    Location:
    New England
    Your other option is to reset the flange to the proper height. Check out www.johnbridge.com for help on tiling and prepping the floor for tile.
  4. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,397
    Location:
    Yakima WA
    Jim is correct about resetting the flange. This is actually replacing. In assumed that would be done in my original response, but didn't make it very clear. I would not try to build up the floor just to avoid replacing the flange to the proper height.
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