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35 views

Can I pin 1/4" wonderboard backerboard to the whole concrete blocks wall in bathroom?

The bathroom is in the condo, high-rising concrete building. The two side walls are diamond wire mesh with applied above the cement (grey) and lime (plaster) layers , total depth 3/4". The frontal ...
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1answer
61 views

How to attach closet flange to sub floor

I recently removed my toilet and saw that a couple tiles underneath it were cracked, and on removing those tiles found the plywood beneath the tiles had rotted out. So I removed any tiles under the ...
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2answers
2k views

Tape or corner bead where Hardi meets Drywall?

I need to finish the outside corner above the shower alcove. The shower ceiling is hardibacker and the wall outside the shower is drywall. Where these two meet, what is the proper way to finish it so ...
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3answers
1k views

When taping cement board do I need to tape at the walls?

I am preparing to put down cement board for a bathroom tile install. I understand, I need to tape at the seams. Should I tape the edges where the cement board meets the drywall or the tub as well? ...
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2answers
5k views

How do I remove Cement Board that has been screwed in and is bonded to wood subfloor with thinset?

I am in the process of purchasing a townhome and I am looking to tear up the existing 12" ceramic tile that covers the entire main level... an area close to 600 sq. ft. to make way for laminate ...
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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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3answers
861 views

What should I do about excess flex in cement board that will be behind tile?

This is around a tub/shower. The studs are spaced at 24in, cement board is 1/2in. We're surprised at how much flex there is between the sheets of cement board. I'm worried that tiles may pop off. ...
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1answer
2k views

Is this Asbestos?

I've found this flat panel in my garden (1 x 1.5 meters, thickness approximately 0.5 cm): Is this Asbestos? I'm in Bali where asbestos cement is still widely used. It's not friable.
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3answers
1k views

Can you use drywall mud on hardiboard?

I am looking at painting hardiboard or mudding and then painting. Is that OK?
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2answers
11k views

What cement board can I use for an outdoor bbq?

So I've built a metal frame that is going to be used as my outdoor bbq. I am ready to install siding on it and I was told to use HardiBacker. I googled it and apparently it isn't for use outdoors. ...
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1answer
1k views

What's the best option for cutting cement siding?

I bought some of James Hardie Trim made of fiber cement and I'm wondering what the best option is for cutting it is. Home Depot refuses to cut it because it ruins their saw blades. Scoring this stuff ...
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2answers
288 views

How do I apply tile to a small wood platform?

I have done some research and mostly I have found that putting cement board on top of plywood is the general answer to tile on wood, but it doesn't really fit my situation as much as I had hoped... I ...
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2answers
246 views

How do I go about making 1“ and 2” thick “boards” for concrete furniture?

I have designed a cement feeder for hogs, for my hobby sized farm. It is generally based around a professional one we already had. I have planned on different parts of it being 2 inch, 1.5 inch, and ...
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1answer
330 views

How can I smooth a seam between cement board?

I have a joint between two sheets of cement board that forms a small ridge elevated maybe 1/8" relative to the centers of either board. I was wondering if extra thinset on both sides can be used to ...
2
votes
2answers
1k views

How can I prepare a wall for reasonably heavy tiles in a shower area?

I'm renovating a bathroom in my apartment and would like to fit 12mm Travertine tiles in a bath/shower area. For most of the walls in this area I have used cement board (Hardibacker 500) attached ...
3
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1answer
353 views

Should I continue to remove the cement board, or just remove the tiles?

I'm in the middle of replacing the tile in my bathroom and started to take off the backer board but now I'm wondering if I should've just cleaned off the top of the boards and reused it. The backer ...
5
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1answer
12k views

Do you need to tape and 'mud' cement board corners in dry settings?

We're giving our wood stove surround a makeover. We're going to build out the front with steel studs and cement board, then tile over it. For the cement board, does one need to mesh tape the seams ...