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1answer
60 views

Seaming HardiBacker to Drywall

I'm rebuilding my shower and using HardiBacker (1/2" thickness) in that space. I've then got normal green-board drywall that I'll be transitioning to. I figure that I'll tile up to the edge of the ...
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0answers
41 views

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, thinset tile ...
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3answers
158 views

Nailing down hardibacker on walls

I'm in the middle of a bathroom renovation, which will be tiled with large format porcelain tiles on both the floor and walls. I put 1/4" HardiBacker on the floor, laid on top of a bed of thinset as ...
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2answers
85 views

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 ...
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2answers
70 views

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 ...
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2answers
549 views

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 ...
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1answer
94 views

Tile Shower Surround—Cement Backerboard Location?

I'm in the process of remodeling an old bathroom and I'm coming up on the point where I'll need to drywall/install backer-board. I've been reading up on this and I just want to make sure I have my ...
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4answers
521 views

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 ...
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1answer
343 views

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, ...
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1answer
164 views

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 ...
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2answers
463 views

When installing backer board for wall tiles, do the screws need to be absolutely flush or even pushed into the backer?

I'm asking because some screws will not go in fully flush. But I'm thinking the layer of thinset then tile will surely cover any screws that aren't flush, so tiles won't 'pop' out.
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1answer
903 views

CertainTeed DiamondBack- Waterproofing needed for tile?

I picked up some DiamondBack CBU to tile a shower enclosure, as it seems like it would be a lot easier to work with than Hardibacker (I can't cut the stuff without making a huge dusty mess, so if you ...
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2answers
582 views

What's the best way to shave off 1/8 of an inch from hardie board?

When laying hardie backer I was told to make my joints as tight as possible, so I imagine I'll run into this often. Currently I have a standard 6' board that just barely doesn't fit inside the lip of ...
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1answer
2k views

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 ...
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1answer
107 views

Do I have to replace backerboard before tiling a floor?

We recently pulled up the vinyl in our bathroom to discover that there is backerboard underneath. It is in good shape but has a thin layer of glue on parts. The surface is completely smooth. Can I ...
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2answers
37k views

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 ...
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1answer
7k views

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 ...