Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [backer-board]

60 questions
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Should the backer board be in front of or behind the tub flange?

I'm installing a new bath tub and shower. I've removed the old tile down to the studs. Should the backer board be in front of or behind the tub flange? I put it on the rear tub wall from floor to ceiling at first, but I can easily remove it if it…
SAM MCKNIGHT
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How do I correctly install ceramic floor tile?

How do I correctly install ceramic floor tile? There's lots of talk about using backerboard and waterproofing membranes, what an acceptable floor deflection is, different grout and thinset additives, ect... Starting from subfloor-less 16"oc joists,…
Mazura
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When tiling a shower surround, how do you transition from backer board to greenrock?

I am remodeling a bathroom and have done demo down to bare studs. I am going to tile the bath tub (with shower) up to about 6 ft, and one wall will have tile up the wall 4 ft high. I am planning on using backer board behind the tile in the bath…
user15741
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Can I install heat mat and backer board over cork flooring?

I am installing a new bathroom floor. I plan on getting an electric underfloor heating mat, 2 backer boards for under the heating, screed the mat and tile over this. My question is can I place the back boards on the cork vinyl(even though it's got…
Jamie Smith
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Securing plywood underlayment to timber sub-floor

I am laying 12mm plywood on existing timber flooring (before laying Hardiebacker board & ceramic tiles). Apart from screwing the ply to the sub-floor, should I also use grab adhesive or thinset mortar? The reasoning for thinset (I'm told) is that…
BlazeyBoy
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Tiling on slab or backer board

I have recently replaced the carpet in one room. I intentionally left part of the room uncarpeted that is in front of small vanity. I plan to tile it. Off to the side of the section is a bathroom with a door that is tiled. The bathroom tile is…
Darthg8r
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Should I redo this wall to avoid a mold sandwich?

Hello Internet DIYers! I'm in the process of remodeling my bathroom and I've just realized something I might have done wrong around my shower. One of the two walls of the shower is an exterior wall, so there was, and there still is, a plastic…
Bob R. Shake
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Is it possible to install backer-board on a curved surface?

We are replacing the carpet around our Heart Shaped tub with tile. For better waterproofing we are using cement board on the top surface. The tub is sunk in the concrete floor with a 7" step up to the edge of the tub on one side. The other side of…
julie
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How to flatten a plywood subfloor for tile?

I've got a 5/8" plywood subfloor in my bathroom. I'm prepping to install 1/4" Hardiebacker on top of that so I can install 12x24" marble tiles. In checking for flatness, I noticed there is a 1/2" drop just in front of the bathtub over a run of about…
Chris Rasco
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Retiling a tub surround, not sure how to shim it

I just ripped out the original tile and backer board on a secondary bathroom in my home and now it's time to put the new stuff up and I'm a bit stumped. The backer board was originally installed on top of the drywall which is causing a spacing…
Chris Rasco
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How should I remove tiles and backer board from my bathroom?

I have a pink tiled bathroom and want to remove them. The tiles come up fairly easy but some do not and the backer board is intact mostly. What is the best way to remove the tiles and backer board if I have to? This is around a jetted tub and the…
Jennifer L. Wilson
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Where exactly does backer board need to reside in a bathroom?

I'm a little confused on where exactly backer board needs to reside in a bathroom. I know it needs to immediately cover the walls that the shower/bathtub face, but what about the rest of the walls in the bathroom? Is backer board needed everywhere…
Mike B
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What backer board should I use in shower ceiling?

I'm tiling my shower up to about 7' and the rest of the shower and ceiling will simply be painted. What material should I use on those? I am using RedGard as my waterproofing method so there will not be any waterproofing BEHIND the backer board.
Joe Phillips
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How should cement board interface with a shower pan?

I will be building up a shower pan using the Oatey Perfect Slope pre-slope system, a 40 mil liner. and then building up a dry pack mortar bed on top of the liner. My question is what is the best detail for where the cement board meets the pan?…
5000fingers
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Can you “re-use” Hardi Backer?

I installed Hardi Backer under a ceramic tile floor several years back. We are planning a remodel soon. Can I remove the tile, clean up the backer board, and install new tile? That stuff has a million screws in it! I would really like not to have to…
Jesse Sanders
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