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-   -   Membrane over wonderboard (https://www.askmehelpdesk.com/showthread.php?t=539026)

  • Dec 30, 2010, 09:50 AM
    shanohano
    Membrane over wonderboard
    So I got my vapor up and wonderboard installed. Do I need a membrane such as Schulter Kerdi over the wonderboard. It appears not everyone uses it and some do so I'm wanting you input. Thanks.
  • Dec 30, 2010, 09:58 AM
    ballengerb1

    Is this in a shower or what? In most cases, if you are tiling in a wet area, you tape the seams with thin set and special tape for concrete board.
  • Dec 30, 2010, 01:11 PM
    joypulv
    Where on the house is this?
  • Dec 30, 2010, 02:00 PM
    shanohano
    Yes, this is a shower. I only ask this question because I see some who use it and others don't even mention it.
  • Dec 31, 2010, 10:36 AM
    ballengerb1

    If you install your wonderboard, cementboard, hardiebacker board correctly the membrane is not necessary. If you never installed cementboard and are a little unsure of your skills then the membrane will give you piece of mind.
  • Jan 3, 2011, 12:03 PM
    shanohano
    Comment on ballengerb1's post
    Thanks for the info. I purchased the membrane and will install today. Wanted the extra security of no leaks.

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