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  1. Why I can't use thin-set mortar over RedGard...

    May 24, 2011 · Hi. I am remodeling my bathroom. I am ready to start tiling tub and shower surrounding walls. Yesterday I applied the RedGard Waterproofing membrane over Durock Cement boards. Then …

  2. Do I need to use RedGard? - DIY Home Improvement Forum

    Apr 27, 2011 · Some people suggest using RedGard Waterproofing membrane as a waterproofing barrier, but one employee in a Home Depot tile department told me that if I use Durock Cement …

  3. Mortar recommendation for RedGard coated tile backer

    Jan 21, 2019 · Hi Guys, I'm renovating my bath and installed Greenboard around the tub. Now about to mud/tape/seal joints and apply RedGard water membrane. Now my question is .. I'm getting different …

  4. Redgard: on sub-floor or backer board? - DIY Home Improvement Forum

    Mar 31, 2017 · I am installing porcelain tile on the bathroom floor. Do I apply Redgard directly to the sub-floor or Do I apply a layer of thinset, backer baord, then Redgard? I am just not sure where in the …

  5. Redgard and vapor barier. - DIY Home Improvement Forum

    Sep 2, 2025 · Going to apply redgard to whole bathroom, my kids is little devils and jump to water. One wall is outdoor wall, chatgpt told me I should use vapor barier between insulation and cement board …

  6. modified or unmodified thinset,ditra over redgard | DIY Home ...

    Jan 17, 2019 · modified or unmodified thinset,ditra over redgard Jump to Latest 20K views 9 replies 5 participants last post by firehawkmph Jan 23, 2019 S

  7. RedGard on Concrete floor before tiling? - DIY Home Improvement …

    Oct 11, 2012 · Hi I was about to use RedGard on a long bathroom's concrete floor before tiling. Was planing on using RedGard for crack prevention not for water proofing...

  8. Is my contractor using Redgard correctly? - DIY Home Improvement …

    Apr 10, 2014 · On April 7th, cement board was installed after we passed framing, plumbing, and electric inspections. On April 9th, Redgard was applied to the cement board. Today, April 10th, they applied …

  9. shower walls porcelain tile over redguard - DIY Home Improvement …

    Jul 31, 2015 · I am tiling a new shower and I ran into some trouble with my tile adhesive not drying. Home depot guy sold me hard on the Omnigrip maximum strength premix adhesive. Basically, it …

  10. RedGuard over drywall in tile shower - DIY Home Improvement Forum

    May 1, 2014 · Hi Ten, From your description of past history and what I see, I think it should be ripped out. In addition, I've never seen wallboard as a suitable surface for Redgard. For Hydroban, yes, but …