Best answer
Half-inch cement backer board is ideal for most tiling jobs, including walls, floors, countertops, and ceilings.
For flooring, the backer board should be installed over a 5/8-inch thick OSB or plywood base..
What is the thickness of cement plaster?
Recommended thickness of 'Cement Plaster' The recommended thickness of cement plastering is given below. Recommended thickness of plastering for brick walls is 12 MM, 15 MM or 20 MM. 12 MM thick cement plaster is done where the plain surface of brick masonry is plastered.
Can you paint cement board in shower?
Can you paint cement board in shower? Not likely. but Hardie backer board's official installation tutorial says it can be finish with paint. Use the backer board on the tiled part, and use the moisture resistant drywall on the rest.
How do I calculate how much plaster I need?
For wall plaster generally ratio we use = 1: 6 (1 part of cement and 6 part of sand). For Roof plaster mainly ratio we use = 1: 4 (1 part of cement and 4 part of sand). The thickness of plaster is between = 12 mm to 15 mm. Always use Good quality of cement (Different grades of cement) as well as good quality sand.
What kind of cement should I use for a stone wall?
Type N: This medium-strength mortar is the type most commonly used. It is suitable for general use in above-grade exterior masonry, such as freestanding walls and nonloadbearing structures such as planters.
How long should cement board screws be?
Cement board attached to plywood or similar underlayment will hold with only 1 1/4-inch screws; for thick or heavy metal fixtures, use 1 5/8-inch screws. In general, 1 1/2-inch galvanized nails will hold the board firmly in place.
How thick should cement board be under tile floor?
Floors: A 1/4-inch minimum thickness is needed, but thicker panels are also fine. Walls: Use 1/2-inch or 5/8-inch-thick cement board, not 1/4-inch. The extra thickness is needed to span the studs and provide a solid base for the tile.
What plaster do I use for skimming?
Multifinish is ideal for (indeed, is manufactured for) using as a finishing plaster when there are a variety of backing surfaces to be covered. Board Finish: Board finish plaster is used on surfaces with low – medium suction. Plasterboard and Dry-Coat plaster will accept Board Finish well.
Can you use Liquid Nails on cement board?
Can I use liquid nails or glue with HardieBacker® cement board? No. ... It is a structural adhesive generally used to bond the subfloor to the floor joists just prior to nailing. It creates a very solid joint between the surface of the floor joist and the subfloor and aids in reducing floor squeak.
Do I need to waterproof cement board in shower?
Here's what the TCNA handbook has to say about the matter: “A waterproof membrane or vapor retarder membrane must be specified to prevent moisture intrusion and protect adjacent building materials.” ~B412 Bathtub or shower with prefabricated receptor. Cement board or Fiber-cement board.
Can cement board stop a bullet?
Registered. You can always use cement board or 5/8ths fire resistant board on the interior walls and fill in between with sand. Instead of 2x4 walls use 2x6. Sand works wonders for stopping sound, insulating and stopping bullets.
Related Question Answers

Jon Uleis
ProfessorDo you need plastic behind cement board?
Their online instructions/diagrams show no use of a vapor barrier. You should, so that any moisture that gets behind the cement board runs into the tub or shower instead of into your wall cavity (causing rot or mold/mildew).

Andre.Santarosa
ProfessorCan I use deck screws for cement board?
It's best to use the cement board screw, but a deck screw will do just fine. ... Use screws designed for cement board like Rock-On screws. They start easier than drywall screws in CBUs. They're easier to use, don't rust as easily and hold better.

neverwalkaloner
ProfessorCan I use drywall mesh tape for cement board?
No. The Mold-X10 fiberglass mesh tape is made for drywall seams and intended to be coated with joint compound. FibaTape's Cement Board Tape is the product for cement board. The alkali-resistant coating protects the fiberglass from degradation that can occur with thin-set mortar.

WΩLLE - ˈvɔlə
ProfessorCan I use 1/4 cement board on floors?
Both 1/4- and1/2-inch cement board are appropriate for floors. To install cement board on floors, cement board manufacturers mandate a 5/8-inch plywood subfloor or OSB underlayment.

Peter Boughton
ProfessorDo you put cement board under a shower pan?
Once the subfloor of proper thickness is properly installed then you can apply cement board directly to the subfloor material. ALL CEMENT BOARDS MUST be installed in a fresh bed of thinset. ... If you want the cement board under the shower tray then do so - doesn't matter.

rodrigo
ProfessionalWhat can I use instead of cement board?
Glass mat gypsum board is a better choice. Sheets of glass mat gypsum are made from water-resistant silicone-treated gypsum, reinforced on both sides by fiberglass mats. DensShield is one common brand. It is easier to cut than cement board, it is mold resistant, and it has a built-in moisture barrier.

Alexis C.
ProfessionalCan cement board be used around a fireplace?
You can use Hardiebacker board around your fireplace. However, using fiber cement board like Hardieboard is acceptable in locations including the mantel and fireplace surround.17 Jul 2017

Programmer Bruce
ProfessionalCan you finish cement board like drywall?
When you buy cement board it requires the same installation materials as drywall but with a twist. ... Instead of using drywall joint compound to embed the tape in the cement board you should use thin-set mortar. We utilized the same thin-set that will be used to attach the tiles.

Gino Mempin
ProfessionalCan you glue stone veneer to cement board?
What can I put stone veneer on for an interior application? For interior applications, stone veneer can be installed over cement board, drywall, and all of the above.

Phrogz
ProfessionalCan you put cement over silicone?
Yes, silicone will stick to cement board.
In fact I highly recommend that you use cement board such as 'Durock' as your backer board.
Use proper screws.
Such as the specific cement board screw..

ddinchev
UserHow do I work out how much plaster I need?
For wall plaster generally ratio we use = 1: 6 (1 part of cement and 6 part of sand).
For Roof plaster mainly ratio we use = 1: 4 (1 part of cement and 4 part of sand).
The thickness of plaster is between = 12 mm to 15 mm.
Always use Good quality of cement (Different grades of cement) as well as good quality sand..

RanRag
UserHow do you cut cement board around a toilet?
You can also use a carbide tipped cutting tool similar to a utility knife to cut the cement board. Use a compass to draw the hole and use the cutting tool to score the board on both sides, then pop it out with a hammer.

quervernetzt
UserCan you use 1/4 inch cement board walls?
1/4" Durock cement board should not be used for wall or ceiling applications. For wall or ceiling applications, use 1/2" or 5/8" Durock cement board. If you have 3/8" sheetrock, use 1/2" cement board and feather out the joint to approx 10" to 12". It should be almost unnoticeable if done right.

Davis Herring
UserCan you use cement board as a subfloor instead of plywood?
No. You will need actual subfloor (3/4 osb or ply) below the cement board to support it. And you'll only need cement board if you're laying tile. Cement board alone will be far to soft, among other problems.

sighingnow
UserCan you use cement board stone veneer?
For interior applications, stone veneer can be installed over cement board, drywall, and all of the above.

Uanatanila
GuestDo I have to use cement board under Wall Tile?
In short, tile and grout are not inherently waterproof. ... Cement backer board is often used as a tile base on plywood or OSB subfloor. Cement backer board on concrete as a subfloor or underlayment is usually not recommended or needed. In most cases, you can apply tile directly to the concrete.

simplyharsh
GuestDo I need cement board for stone veneer?
Natural stone veneer is heavy and should not be installed over drywall; cement backerboard or masonry applications are recommended.

Cœur
GuestDo I need to prime cement board before tiling?
Do I need to prime HardieBacker® board before I tile onto it? No. HardieBacker tile backerboard is ready to tile once installed, just wipe down with a damp sponge to remove any dust prior to tiling.

matt
GuestDoes silicone stick to cement board?
Yes, silicone will stick to cement board. In fact I highly recommend that you use cement board such as 'Durock' as your backer board. Use proper screws. Such as the specific cement board screw.30 Sep 2015

Philippe
GuestCan I use cement board for shower floor?
Do not use cement board on its own. Your shower will leak and you will be tearing it out within a year.

Spatz
GuestWhat Thinset do I use for cement board?
Use thin-set mortar when installing cement backerboard. Thin-set dries slowly, allowing you to fix and readjust backerboard sheets as needed. With the smooth side of a 1/4-inch notched trowel, spread enough mortar for one sheet.

Roman Pekar
GuestWill silicone adhere to cement board?
Yes, silicone will stick to cement board. In fact I highly recommend that you use cement board such as 'Durock' as your backer board. Use proper screws.

Dmitry Bychenko
GuestDo I need cement board for kitchen backsplash?
But for a tile backsplash, if your wall is good and plumb, without any major ridges or problems, you don't always need to use a backer board, often you can just apply thinset to the walls and put your tiles in place.

Andrei Solero
GuestDo I need cement board for tile floor?
If you're working over a wood subfloor, cement board is the right choice for your tile base. No matter what you're told at a home center, it's not a good idea to install tile directly over plywood, especially in a damp area like a bathroom.

uminder
GuestWhat is the best way to cut cement board?
Score-and-Snap The simplest way to cut cement backer board is to score the surface and snap the sheet along the scored line, similar to the way you'd cut drywall.
In fact, you can use a drywall utility knife to score backer board, but a better option is a carbide-tipped scoring tool..

Mohamed Thasin ah
GuestIs a vapor barrier necessary behind cement board?
Cement board is heavy enough and breathable enough to take the moisture without a problem. By having the vapor barrier behind the cement board you stop the moisture going further into the wall. ... You should NOT place a vapor barrier BEHIND the backer board.

Patrick Roberts
GuestShould I put plastic behind cement board?
No plastic sheeting goes behind the cement board. A liquid waterproofing membrane, such as RedGard or Hydro Ban, is applied to the cement board and allowed to cure. Then, tile is installed over the membrane.

Shadi Namrouti
GuestCan I reuse cement backer board?
Undamaged cement backer board does not need to be replaced. If tile has not been attached directly to the backer board, and it has not been dented or punctured, it can be reused without any special preparation.

Brian Bi
GuestCan I use regular drywall screws on cement board?
You don't want to use regular drywall screws for cement boards. They can corrode, they can break down the edges of the boards, and they won't drive in flush properly. Use ITW's ROCK-ON and BACKER-ON screws instead.

Selvakumar Arumugam
GuestCan I use thinset on cement board?
Use thin-set mortar when installing cement backerboard. Thin-set dries slowly, allowing you to fix and readjust backerboard sheets as needed.

mihai
GuestCan you use 1/4 cement board on floors?
Both 1/4- and1/2-inch cement board are appropriate for floors. To install cement board on floors, cement board manufacturers mandate a 5/8-inch plywood subfloor or OSB underlayment.

noblerare
GuestDo I need plywood under cement board?
Because cement board can be used either for floors or walls, the surface below the cement board will vary: Flooring: For ceramic tile floors, the cement board usually rests on a plywood subfloor (minimum 5/8-inch-thick exterior-grade plywood or OSB).

Lehane
GuestShould I put cement board under tub?
You don't need any cement board under the tub. It is far more important to have a sturdy layer of ply under the tub.

today
GuestShould I put Thinset under cement board?
Embed the cement board in latex-modified thin-set mortar The main reason for using thin-set between the cement board and the subfloor isn't as much for bonding as it is for even, void-free cement board support throughout the floor. ... Then spread thinset mortar with the flat side of a 1/4-in.

Mike Flynn
GuestShould you put a vapor barrier behind cement board?
You still need a vapor barrier with cement board, although in this case the barrier can go behind the board. Cement board is heavy enough and breathable enough to take the moisture without a problem. By having the vapor barrier behind the cement board you stop the moisture going further into the wall.

Dávid Pásztor
GuestWhat do you put on seams of cement board?
Use special mesh tape on seams Cut drywall to fill in between the existing wall or ceiling and the cement board. Screw the drywall to the studs. Cover all of the corners, joints and seams, including the joint where drywall and cement board meet, with the fiberglass mesh tape.

Nico Zhu - MSFT
GuestIs cement board the same thickness as drywall?
Whereas drywall comes in 4-by-8 sheets, cement board comes in 3-by-5 sheets. ... The smaller dimensions of cement board make the installation of it on large walls more difficult, but cement board panels fit vertically in 3-foot wide showers, or horizontally behind a standard 5-foot bathtub.

laukok
GuestIs Durock cement board waterproof?
Hence the question “Is cement board waterproof?” Well, here's what some manufacturers have to say about waterproofing: PermaBase (National Gypsum): PermaBase PLus is not a water barrier. ... Durock (USG): “If waterproofing is desired, use USG Durock™ Tile Membrane or USG Durock™ Brand Waterproofing Membrane.”

aga
GuestShould I use cement board or Hardibacker?
There is nothing wrong with Hardibacker, it's a good product. It isn't as messy as the old-fashion cement boards when you cut it. It also isn't as easy to cut as they make it out to be but you can score and break it sorta like drywall.

Kevin Burke
GuestShould you prime cement board before painting?
Using The Proper Materials and Paint- For fiber cement or HardiPlank siding, a very good latex primer should be used to prepare the surface for paint. After your surfaces are primed it is strongly encouraged to use acrylic exterior paint for your home.

Dan Herbert
GuestWhat is the fire rating of cement board?
A Durock panel with a thickness of 1/2 or 5/8 inch can provide two hours of fire protection when installed correctly and in conjunction with all fireproofing construction materials..

Yousif khalid
GuestHow much sand and cement do I need for plastering?
For wall plaster generally ratio we use = 1: 6 (1 part of cement and 6 part of sand). For Roof plaster mainly ratio we use = 1: 4 (1 part of cement and 4 part of sand). The thickness of plaster is between = 12 mm to 15 mm. Always use Good quality of cement (Different grades of cement) as well as good quality sand.

David K. Hess
GuestCan I use Kerdi band on cement board?
First Kerdi can be installed on drywall or cement board. However if installed on drywall it is only protecting one side.

AlphaHowl
GuestHow much space should be between cement board and tub?
1/4"The backer board should overlap the tub flange so the tile has a stable backing to attach to. This requires shimming the backer board out from the studs so the wall is plumb. There should be a 1/4" gap between the tub ledge and the backer board.

jjmontes
GuestWhat kind of paint do you use on cement board?
Acrylic paintFor cement boards that have already been primed, 100% acrylic exterior paint is recommended. Acrylic paint is the best choice for cement board. It's especially important if you are working with new cement board to avoid oil-based primer.

kapa
GuestCan I use cement board as a heat shield?
Safe wood stove installations require a heat shield that will prevent heat from the wood stove from creating a fire hazard in the building materials that form the exterior wall. Hardi cement board is an inexpensive solution that will form the foundation of an effective heat shield for any application.

Ilja Everilä
GuestWhat do you cut cement board with?
The simplest way to cut cement backer board is to score the surface and snap the sheet along the scored line, similar to the way you'd cut drywall. In fact, you can use a drywall utility knife to score backer board, but a better option is a carbide-tipped scoring tool.

Mathias R. Jessen
GuestHow high should cement board be in shower?
Start installing your boards a quarter inch above the floor, tub, or shower board and caulk accordingly. 2. Fasten cement board with specified nails or screws, a maximum of 8” on center at all supports.

isuruanu
GuestShould I put cement board under tile?
If you want to replace an old, cracked tile floor or other type of flooring with new ceramic tile, it's absolutely imperative that you create a solid setting base for the new tile. If you're working over a wood subfloor, cement board is the right choice for your tile base.

BenAlabaster
GuestShould you wet cement board before tiling?
The concrete is unaffected by any water that manages to get behind the ceramic tile. But these concrete products are heavy, problematic to cut and can wick water, causing wood rot. ... If you use cement backer board, you have to install a separate moisture barrier between the board and any wood it's attached to.