Drywall + Redgard okay for shower?
twilkins72
10 years ago
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twilkins72
10 years agoMongoCT
10 years agoRelated Discussions
Steam shower: Kerdi board meeting drywall
Comments (26)If you'd done the shower in 2014 or earlier you'd have been approved by schluter and the tile gods at TCNA using reg kerdi. Standards have changed , but that doesn't mean that all those with the old standard should rip em out or are going to experience premature failure. Sure , the lower perm rating is better- but it's not a free lunch. I wouldn't worry about it in a residential setting that doesn't get heavy use. And I'm putting my money where my mouth is. I have a steamer done with kerdi circa 2012 and it isn't coming out, and doesn't show any signs of failure. It's used approx 3-4 hours a week. Like CT said , it was done ( and good enough) like that for years prior to this. Using kerdiboard plus another membrane on top is a no no....See MoreIs Waterproofing of My Shower Okay
Comments (21)My thanks to people who provided information so I could have an informed discussion. Since there are responses on this thread asserting materials and methods "must" have been used (for example comments asserting they were seeing tar), why would anyone accept any pronouncement as undisputed just because it appears as a response on an internet thread without talking with those who are involved in actually building the shower (in this case). I appreciate the graciousness of ALL people who take the trouble to provide knowledge to internet strangers and hope they don't feel it a waste of time in the future. I took issues raised on this thread (except those I knew to be factually incorrect like it being hot mopped) and used those to have an informed discussion with the designer regarding how the shower was waterproofed and why the pictures indicated certain things. I've used the same method of informed discussions regarding other aspects of construction - or in other areas in my life when I am dealing with professionals....See MoreShower valve is tilted, is it okay?
Comments (8)Update: The contractor has installed the dennshield as tile backer board ( I request dennshield instead of cement board in order to fulfill fire rating) The below picture shows the whole view: Joseph asked me if the walls are right angle. I tried it with a tile and could see that "no". I compare the depth of the both side of the black plastic plate of the valve. I put a 1/2 inch drywall next to the valve to simulate the condition after tile. The shower outlet below the valve is tilted to the right while the valve itself tilted to the left. Also, the grey denshield installed on the shower head side does not flush with the existing drywall on the top. One more thing, I could feel a nail lying underneath the waterproof liner of the shower pan. I asked if the nail will puncture the liner in the future, the contractor said no, as there will be mortar on top of the liner and the mortar will shape into the nail and there will be no pressure which make the nail puncture the liner. The electric outlet...See Moredo the nails (once removed) need to be covered and redgard again?
Comments (15)"I must be missing something: the spec sheet for Durock says: "If waterproofing is desired, use USG Durock™ Brand Waterproofing Membrane or USG Durock™ Brand Liquid Waterproofing Membrane." Wouldn't that mean waterproofing either under or on top of the Durock (but not both)?" jmm1837, correct, you'd only want to use one of those two, and whichever you choose would be only applied to the face of the tile backer board. Nothing would go behind the tile backer board. The first membrane listed is a sheet membrane (think Kerdi) that gets thinsetted to the backer board. The second is a liquid membrane (think RedGard) that gets applied to the face of the backer board. Only use one or the other. The tile then gets thinsetted to the membrane....See MoreUser
10 years agoStoneTech
10 years agotwilkins72
10 years agoproxus
5 years agoproxus
5 years agoMr. Memes
5 years agoThe Kitchen Abode Ltd.
5 years agoMr. Memes
5 years agoThe Kitchen Abode Ltd.
5 years agoMr. Memes
5 years agoThe Kitchen Abode Ltd.
5 years agoTile Corrector
5 years agolast modified: 5 years agoUser
5 years agoBrian Tarr
11 days ago
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