Questions tagged [backer-board]

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Install Vinyl Plank Flooring on top of Cement Board / Backer Board (as underlayment)

Is it a good idea to install vinyl plank flooring (7mm thick, 7 inch wide) over new cement board / backer board? The cement board will be screwed to a 3/4" T&G plywood subfloor which is ...
MIDNIGHT LAWN MOWER's user avatar
1 vote
0 answers
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Stone tile flooring with acoustic sound reduction requirement in condo

We just closed on a new condo and want to replace some of the old carpet with stone tiles. However, the HOA has a sound reduction requirement where the floors must pass acoustic testing with 55 IIC or ...
Gene Locascio's user avatar
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Recommended joint compound for wall mounted tile backer boards

I’ve installed pro warm tile backer boards on my bathroom walls. What’s the recommended way to fill the joints before tiling over? The Marmox guides say to use waterproof tape or joint compound. I ...
Jenny Blunt's user avatar
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211 views

Can you put Hardy backer board on top of Mapie self leveler plus?

I have already applied self leveler in my bathroom over brand new plywood subfloor. I have got Mixed opinions if I can use Hardy backer board on top of the self leveler.
Steven's user avatar
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Kitchen subfloor replacement

We purchased this home three years ago and have 18x18 ceramic tile in the kitchen and foyer that is cracking. I removed a portion to see what is going on and the old plywood definitely needs replaced. ...
Mark Cavinee's user avatar
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Circular walk-in shower remodel- waterproofing windows and walls with purple board?

Thanks in advance for any insight you may be able to throw my way.. my in-laws are in the process of fixing a shower due to water damage. It is a circular walk-in shower with a vaulted cedar ceiling. ...
Noquarter's user avatar
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Densheilds project progress with leveling issue

I have installed Densheilds tile backer boards as showed in the pictures and I noticed on the big board (5'x5') that at the corner there is a light gap (not leveled.) I'm going to install a 12"X24" ...
Chad's user avatar
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Densheild boards and 12"X24" tile

Can Densheild boards hold a 12"X24" porcelain tile? ( the tiles are for shower walls ). Someone told me that the top layer of the boards are paper and installing the tiles on the higher area with ...
Chad's user avatar
  • 69
-2 votes
1 answer
3k views

Kerdi Membrane over cement backerboard

When installing Schluter Kerdi Membrane over cement backerboard: Should I use Alkali Resistant Mesh Tape and thinset on the seams of the backer board (for long term durability to prevent each board ...
jprince14's user avatar
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