Questions tagged [cement-board]
The cement-board tag has no usage guidance.
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Can fiber cement board be used in a ceiling?
My bedroom ceiling is water-damaged from my upstairs neighbor's leaky AC unit. I want to replace the ceiling drywall with fiber cement board. My contractor says I should instead use "water proof ...
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How do I properly buildup floor height under tile?
So I’ve begun my small tile project. I have spread thinset over the wood subfloor and set 1/4” cement board into that. Screwed it every 6”-8” into the wood beneath it with my seam taped and opposite ...
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How to best prep the transition from cement board to door frame in a bathroom?
I'm actively renovating the bathroom in my 1950's home and need to learn how to prep the transition between the cement board of our tub/shower surround and the door frame directly next to the tub.
If ...
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Taping a drywall and Redgard’d cement board joint
I’m renovating a bathroom and I applied RedGard to my shower’s cement board. I decided to build out a wall and now have new drywall next to the RedGard’d cement board. Is too late to tape the joints ...
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Can You Paint & Texture Cement Board/Backerboard
During our remodel of our bathroom shower area, we cut out the existing wall tile and some of the textured drywall around the edges. The person doing the new wall tile is going to put new cement board ...
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What's the easiest way to remove Hardie board that's been shot down to cement flooring with a Hilti gun or the hilty gun
In a garage they shot down the Hardy board with the Hilton gun directly to the cement and now the new owners wanted up so they can repair the garage floor.
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Damaged cement board while removing a chipped tile. Can I repair it?
I am renovating my bathroom and noticed a tile was chipped after it was installed. I carefully chiseled the tile off the wall but a thin layer of cement board came off with it, see pic below. I used 1/...
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Piece of cement siding came off the house
It is January, is it too cold to reinstall piece? Also, noticed a hole on the wall/insulation. Having issues with rodents. May be the issue. How to fix the hole in insulation before reinstall of ...
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Had to shim out my tub surround walls. How to transition from tile to the drywall?
I had to shim the studs for the cement board (to install the cement board over the tub lip). Now I am left with a gap between the cement board and the drywall.
On the right hand wall, The gap from the ...
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What to do about the gap between the tub and the studs?
I had a plumber help me install the bathtub in my bathroom today. Next step is to install the cement board. When facing the tub directly, The tub butts right up to the studs on the back (long side) of ...
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How smooth does the subfloor need to be before installing cement board for tiling? [closed]
I have removed the previous tile and cement board from the bathroom. I knocked down all the major ridges and bumps from leftover thinset on the subfloor. What remains is a very thin layer on thinset ...
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Is this thick mortar? Can i patch it and tile over it?
This was what was under the tile in my bathroom. Probably from the 50s. I think it is thick mortar? It is crumbly in places. I don't want to demo the entire thing, I'd have to hire someone to do it. ...
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What tile backing material can be embedded in concrete shower pan?
As in title.
I want to glue and screw the backer board into the walls down to the slab before pouring the shower pan in a redguard shower, as I have about 1/2" spare space between the wall I'm ...
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Do you see any concerns with this shower installation?
I am currently getting a shower redone after the last one had a leak in the base.
The contractor has put up the cement board on the walls, and then mistakenly placed tile on the floor instead of the ...
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Have my tradies laid and fixed the drywall and flooring correctly?
I'm based in Tasmania, Australia. Bathroom and laundry reno in the works. They’ve been great so far - removed a wall, replaced floor joists, and I’ve felt respected and listened to but my tradespeople ...
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Can concret board be used as flooring board on an upper floor?
Does concrete board have the strength to be like flooring board spanning on joist or rafters as a second floor. That is not setting on solid ground. I think it can’t hold constant walking weight and ...
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If using glue on shower panels instead of tile, how do you cover and seal the 1/4 inch gap between cement board and tub flange
I know cement board is installed about 1/4 inch above tub flange. The tile will cover gap. But if we aren’t using tile and just using the thin glue on panels?
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Is 3/4" OSB, 1/2" plywood and 1/4" cement board adequate for ceramic tile?
I’m replacing a sink base cabinet that’s seen damage through the 3/4 ply underlayment, but the 3/4 OSB subfloor underneath might still be in good shape due to a vapor barrier sandwiched in between. We’...
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How to get tile off of cement board in modular home
We have a modular home. We are attempting to remodel one of our bathrooms. The trouble is, we can not get the tile off the cement board. My husband states if we take the cement board off the wall we ...
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How can I fasten cement board against a lumpy concrete foundation wall?
I’m building an ambitious wet room style shower/bath in a 1911 basement. It happens to be in a corner with 7’ concrete walls on both sides. I need cement board on all sides, top, and bottom. I can’t ...
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Treated Lumber for Bathroom Half walls?
We are doing a bathroom remodel of a Florida home built in 1995. For the walls in the tub area, they used treated lumber along the concrete slab and regular 2X4 for the wall frames. We have a large ...
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Is this asbestos cement board?
I accidentally broke this board in my store room, as I thought it is cardboard or gyprock as it’s already had a rough structure around it. My house was complete built in 1990. And I notice gyprock ...
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How to lay cement board over a small area
Hi I need to tile a small area 0.85m x 0.9m. I have laid 18mm ply over the original floor board. I now need to add cement board over it to tile.
Which is the best option for laying down the cement ...
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Is blue drywall enough behind shower wall tiles? [duplicate]
We live in Texas. My builder Highland homes just used blue drywall that too just till 12 ft for shower walls. No cement board between tiles and blue drywall.I asked him and he says everything is ...
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Using adhesive to attach Durock to subfloor?
Durock's official installation guide says that using adhesive with a 5/8" v-notched trowel is a possible means of laminating the board to the subfloor:
However I'm not certain which adhesive to ...
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How do I install Hardie Siding (Fiber Cement Siding) to Cement Backer Board?
I'm building a BBQ Island that will be framed in steel studs with cement backer board. My wife is interested in having me install Hardie Siding (technically Hardie Square Channel Siding) to finish the ...
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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 ...
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Cement board or purple drywall for shower surround?
I see cement board is reccomended for shower areas and not purple drywall, pretty much everywhere.
However, in pretty much all those cases they are talking about where the shower area will be tiled. ...
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Kitchen Backsplash: Drywall, Cement Board, or Both?
Starting to think about next steps in this meandering kitchen remodel project we started during quarantine. I have the new cabinetry and appliances in and am starting to think about doing the ...
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remove mortar + cement board? or self level ontop? Bathroom Floor
I have some mortar on a cement board on my bathroom floor it seems. I want to put luxury vinyl over this. Is my best bet removing the mortar + cement board and then redoing that process? or using some ...
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Shorter Screws for Hardie Board
The floating (unattached to subfloor) hearth I am building for my wood stove is going to be constructed in this order:
1/2 plywood
Layer of thinset
1/4 Hardie board
Thinset
Tiles
The recommended ...
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In what order should I install backerboard, a mortar skim coat, and liquid waterproofing?
So, we bought a house with the intention of doing most of the finishing levels of renovation ourselves and hiring to have structural work done.
The contractor put up cement board after repairing some ...
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Is it ok to use drywall instead of cement board on a kitchen backsplash behind the cooktop, there is no running water in the area
I recently had old tile backsplash removed down to the studs. Is it ok to use drywall instead of cement board on a kitchen backsplash behind the cook top, there is no running water in the area, the ...
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Can you use waterproof membrane to make the thinset adhere to the shower base
Most the procedures I have seen show how that you tape the join between cement board and the shower base and then you apply thinset over that to the point that the thinset is flush with the cement ...
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Installing fiberglass fabric before the second layer of waterproof membrane?
In this video the guy is installing a fiber glass fabric before the second layer of insulation. I think I have seen something similar in the Kerdi videos. Is this something I should use with cement ...
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Partially cracked cement board for bathroom corner Should I use it or replace it?
Let me start by saying that cement board is the biggest piece of .... invented by the construction industry. I do not know when this cracked but it developed by repeated manipulations of the biggest ...
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What should I use to fill in a gap created behind cement boards after making the wall plumb?
Because I had to plumb a wall I had to sister the studs and that left me with two gaps in the corner like in the picture below. One corner is cement board(E) with existing cement board(D) , the other ...
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How to ensure a Cement board wall that is only supported on the floor (without ceiling fixing) is stable?
I have a client that is requesting to construct a 1.8m (6ft) high wall around the back entrance of an apartment.
This wall will be in a U-shape (Plan wise) with 2m (6ft) length sides and 5m(16ft) ...
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Transitioning from cement board to drywall on a corner -what options do I have?
In the diagram below I need to transition from cement board to drywall (on the edge marked with red)
Do I need anything special for this?
That outside corner will be covered in tiles as the ...
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Are 1-1/4" screws enough for cement board if I shim the studs with 1/2" shims?
Due to an offset between the plumbing and the shower drain I need to float the wall on the short side of the shower base with like 3/4-1/2" so I am using top to bottom shims. I am not sure if the ...
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Hardietrim/fiber cement for window trim on stucco
I have some leftover hardietrim from a side of a wall we accented with hardieplank. The rest of our house is stuccoed. We'd like to accent our windows that are on these stucco walls with trim. In lieu ...
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Can I level basement floor with cement board and self-leveling cement?
I have about a 1" height difference on my concrete basement floor. My understanding this was for drainage in case of flooding. I have a wall in the way of where anything could potentially drain ...
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Cement Board versus Mold Resistant Drywall at Top of Bath Tub/Shower Surround
The drywall installers ran short of cement board, so they used a small piece of mold resistant drywall at the top of the wall where the shower head is located (see upper right of first picture). I ...
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Attach stone veneer evenly to irregularly shaped foundation
I'm planning to attach stone or stone veneer to the bottom 2–3' of my house.
At the front of my house, the poured concrete foundation is about 3' tall. Halfway from the front (toward the back), the ...
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waterproof shower: waterproof pan or not?
I have a question about waterproofing our shower. We have a pre-slope, then the PVC liner, then the final mud bed. We are going to use the Aquadefense liquid waterproof membrane. We installed our ...
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Installed Hardie board with tin roof
Installed Hardie board, silver side down as ceiling with tin applied as roof. Can this type of application withstand being the roof/ceiling in an outdoor kitchen with no side walls?
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How to finish joint of cement board
When cement board meets a block is expanding metal sufficient to put over the joint to stop it cracking before I scratch coat?
And do I need to put scrim on the joints of the cement board as well as ...
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Proper way to repair old plasterboard walls?
my basic question is: what is the proper material and method for repairing defects on the walls in my old house? To give context, I am in Virginia, United States and the house is a concrete block ...
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Best way to bore a hole in Hardieplank exterior cement board
I need to drill through Hardieplank cement fiber board for a 1” PVC irrigation pipe.
Common bi-metal hole saws will be dulled from even a single hole and likely wouldn’t even complete the hole. ...
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How should I transition between cement board floor and alcove tub?
Remodeling a bathroom and about to put in the floor. I have a plywood subfloor, and I'm about to install 1/2-in cement board on top, bedded in modified thinset spread with a quarter inch notched ...
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