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why not 1 4 in cement board for wall tile

How to Finish the Joint Between a Tile Backer and Drywall

As long as you can anchor both the cement board and the drywall for a significant part of the wall the joint should remain stable and crack-free. Dealing With Different Thicknesses Cement board is 1/2 inch thick and so is the drywall you use in most rooms in the house.

Is there supposed to be a backer board gap above a bathtub

Is it acceptable to stop the cement board 1/4" above tub flangecaulk the joint between cement board and tub flange and run the tile over the tub flange? ANSWER There should be a moisture barrier behind the backer board that is installed in a weather lapping manner starting at the tub flange working up the wall.

Plasterboard or Cement Backer Board | TilersForums.com

6mm backer board is too thin for wall tiles either use 12mm backer board or 12.5 mm plasterboard mate.

Tile Primer - MUST READ Guide To Preventing Tile Failures

When a thinset is applied over an unsealed substrate like concrete or fibreboard/cement board that substrate will suck up the water from the thinset during the curing time. This results in lack of adhesion and strength in the thinset this ultimately leads to a compromised tile installation that will never last as long as it should.


3/32" - 1/4" for tiles with one side less than 15". For larger tiles with one side greater than 15" the handbook recommends a medium bed mortar that can range in thickness from 3/16" – 3/4". The thickness of the mortar used to bond the ceramic tile to the wall can vary more than the 7/16" – 1/2" thickness of the cement backerboard.

USG - DUROCK Brand Cement Board Systems

• 1/2" DUROCK cement board and 1/4" ceramic tile exterior – 2 x 4 studs 16" o.c. – THERMAFIBER SAFB • SHEETROCK FIRECODE panels – r UL Des U329 DUROCK Cement Board Systems ny SA932 5 Notes: DUROCK cement board 5/8" thickay be substituted for 1/2

Edging or Bullnose over cement board [Archive] - Ceramic Tile

The cement board installed over the sheetrock adds an extra 1/4 inch layer of material between the wall and the tile. The bullnose we are getting is not really curved like the "old timey" bullnose but is just tapered to a finished edge. So it won't curve around the cement board and hide it.

Pros and Cons of Various Tile Backers | Family Handyman

On top of that fiber cement board is even more brittle than standard cement board so you have to be extra careful to keep screws at least an inch from the edge to avoid breaking the board. Fiber cement board is available in 1/4-inch and 1/2-inch thicknesses. The 1/4-inch-thick board is typically used on floors and countertops.

Why Cement Board over Green board for Bathrooms?

Cement board is normally found in ¼” and ½” thicknesses and is available in 3 x 4 3 x 5 and 3 x 6 sheets depending on the manufacture. Should the grout or caulk fail the wall is waterproof and therefore cannot rot and since there is no paper there is no mold hazard either.

Installing Cement Backer Board - Do It Right Not Over

Tile backer board now comes in all different types from cement to specialized gypsium-core products that are faced with fiberglass. Installing cement backer board is easy if you have the right tools. Cement backer board is the best thing to install in your bath or kitchen if you want to make sure your tile stays on the wall.

Whats the Best Backer Board for Tile? What type is Right?

Details: If you expect to apply fiber cement board in areas of high water volume (tiling a bathtub for example) you will want to install a barrier of 4 mm plastic behind the backer board. Review: For DIY tile installers HardieBacker reigns supreme. Available at Seven Trust HardieBacker’s 1″ x 1″ grid makes measuring easy and cutting a

ditra vs cement board - JLC-Online Forums

I believe the Ditra trowel is 4 mm x 4 mm. They do not make thin set. I use Mapie Ultra Flex 2 to bond the products to the subfloor. Mapie Walk and afloat tile mortar to dye the tile to the product. Cement board did nothing to improve the strength of the floor assembly. If any thing it added to the load. Ditra is thinner than 1/2" cement board.

Is 1/4 inch backer board good for wall tiling? (shower build

BUT I was considering 1/4 because I need to “build out” the studs that will take the cement board - and I was concerned that doing so would then create a “gap” where the cement board butts into the 1/2 drywall outside of the shower stall.

Adding Cement Board to Fireplace Surround | The DIY Playbook

Cement board is a combo of cement and fibers that usually comes in 3×5 foot sheets. We ended up going with 1/4 inch thickness but it also comes in 1/2 inch. It isn’t waterproof but absorbs moisture well and is a great support for tiles.

Is 1/2-Inch Cement Board Better Than 1/4-Inch Under Tile

Cement board is an easily installed DIY tile underlayment providing a stable dependable tile-setting substrate while eliminating the complicated lath-and-mortar "floating" process. Do-it-yourselfers can use either 1/2- or 1/4-inch cement board in certain applications while other scenarios mandate 1/2-inch board.

Tile edging over 1/4" cement board | DIY Home Improvement Forum

Tile edging over 1/4" cement board. Jump to Latest Follow 1 - 9 of 9 Posts. G. Gburg109 · Registered. Joined Dec 29 2013 · 14 Posts . Discussion Starter • #1

No thinset under cement board - BiggerPockets

When I asked the contractor he asked his flooring guy who had been doing tile for 25 years and "never puts thinset under cement board". Our agreement was to put down cement board and tile. Nothing was specifically said about thinset. The manufacturer dictates to use thinset between subfloor and cement board. It is 1/2" durock over 1" nominal

1/4'' vs. 1/2'' cement board for shower walls

I know 1/2" cement board is the spec for shower walls due to the deflection of 1/4" Hardibacker. Would it be okay to use 1/4" if we put extra 2x4s in the wall? If so how close would they need to be? The reason I ask is that we've got 8 sheets left from our last project and I'd like to use them on our upcoming bathroom.

Which Side of the Cement Board Goes Down? | Hunker

Cement board must be at least 1/2 inch thick for wall installation and 1/4-inch cement board is appropriate if 5/8-inch-thick sheathing is present. Manufacturers recommend installing a moisture barrier first -- either heavy-felt construction paper or 4-mil plastic -- locking out water and preventing future moisture issues in wet areas.

Using Cement Boards Over Concrete Floors for Ceramic Tile

Concrete is usually a good subfloor on which to install ceramic tile. However a homeowner may need to raise the floor slightly before installing tile and lack the experience or time to install a mortar bed. Placing cement boards over the concrete subfloor is an excellent way to create a solid and smooth subfloor.

Cement Board Installation on Floors- Avoid These 5 Mistakes

On top of the 2×6 will be 3/4″ subfloor thinset cement board RedGard thinset tile. I’d like to get as close as possible to matching the height of the existing tile. If I thinset the cement board down using a 1/4 x 1/4 trowel and screw it every 8″ will the thinset end up being 1/8″ thick?

How To Tile A Shower: Tiling a Shower Like a Pro! | Pro Tool

In today’s example there’s a two-foot distance from the drain to the wall so I’m marking 1/2-inch up the wall. Whether your cement board goes all the way to the floor or you leave it shy like I do this will be the top of your mud bed. Create a mud bed perimeter about three inches from the wall out.

1/4" Ceramic Tile Backer Board - Lumber Liquidators

X-TREME Board TM qualifies for other programs with similar credits. It's a better environmental alternative and upgrade to replace gypsum and cement backer boards for walls floors and countertops MEETS & EXCEEDS INTERNATIONAL BUILDING STANDARDS - ANSI Specifications for the Installation of Ceramic Tile: A108 A136.1 A131.7 - ASTM tested and

1/4" cement board on wall - DoItYourself.com Community Forums

Right now I have 1/4" Sheetrock on wall in bathroom even behind the tub surround will be replacing it with cement board but due to window that is half way in shower area (old house no bathroom originally) was wanting to use 1/4" cement board so would have a good transition to rest of the sheetrock.

Tile over Plywood vs Cement Board : Learn the Proper Way

Laying a cement board under a tile. When using a cement backer board you can go with whether a ½ inch thickness or a ¼ inch thickness. It depends on how high you want to raise your floor. After you have decided on the thickness and purchased your cement backer board spread adhesive on both the plywood subfloor and the one side of the cement

General question about cement board - Fine Homebuilding

“DensShield Tile Backer panels are mold-resistant and have scored a 10 the highest level of erformance for mold resistance under the ASTM D3273 test method.When tested in conformance with ASTM E96 DensShield Tile Backer panels achieved a perm rating of less than 1.5 (42.9 ng/Pa•s•m2) alone 1.0 (28.6) with dry set mortars.

screws for cement board | TilersForums.com

Reply to screws for cement board in the UK Tiling Forum | Tile Advice Forum area at TilersForums.com. Name. Post reply Preparing wall to tile. Started by Darren1205;

1/4 HardieBacker Board for Walls? | Terry Love Plumbing

The board should not flex inward more than 1/4" between 16" on center walls studs. L/360 deflection for a 16" center wall stud is very low under 1/16". This is very hard to meet with any backer board. I would mock up a test and then add 100 lbs of weight on your mock up. Measure the sag. Then check the sag on a 1/2" board.

Taping and mudding cement board | DIY Home Improvement Forum

Only need the Red Guard on the surface of the cement board. Grout and tile board are not water proof. Why would you want the water to go through all the layers and get trapped behind the wall? I install the tape with the thin set then waterproof everything. The seams are the most likely place it's going to leak why not waterproof them?

tile - When taping cement board do I need to tape at the

You don't tape the edges. Not on walls or tub. I'm not sure about a 1/4 inch gap by tub (probably would do 1/8 there) be everywhere else is fine. Nothing goes in the gap. Gap will be covered by either tile on the wall or baseboard. Also make sure you are using the right mesh "tape". Your cement board gets same thinset as your tile .

1/4 or 1/2 backerboard | DIY Home Improvement Forum

Yes HardieBacker 1/4'' cement board may be used in a shower. However we recommend HardieBacker 500 if you need to make a smooth transition to drywall. The board must be mechanically fastened every 8'' on center to the wood or metal studs spaced a maximum of 16'' on center.

Frequently Asked Questions | Resource Center | James Hardie

Yes HardieBacker 1/4'' cement board may be used in a shower. However we recommend HardieBacker 500 if you need to make a smooth transition to drywall. The board must be mechanically fastened every 8'' on center to the wood or metal studs spaced a maximum of 16'' on center.

Tile Backer Board - What Type Is Right for My Project

It can also be used for exterior tiling jobs. Cement board comes in sheets ranging from 1/4-inch to 1/2-inch thick. Fiber Cement Board. Fiber cement board also known as fiber board is made from a sheet of Portland cement mixed with sand and cellulose fibers.

How to Install Cement Board for Ceramic Tile

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. Countertops: 1/4-inch 1/2-inch or 5/8-inch-thick panels are all suitable for countertops.

HardieBacker Cement Boards Installation Instructions

Masonry Walls Installation. Both 6mm and 12mm HardieBacker cement boards can be used on masonry walls whenever you are dealing with a confined space. The boards should be installed onto a clean and smooth surface and all remained dry lining removed prior to installation.

We recommend 1/4 in HardieBacker • Ensure subfloor is not

2 | Determine layout of HardieBacker cement board • Stagger all HardieBacker cement board joints. Do not align with subfloor joints. • Never allow all four corners of boards to meet at one point. • We recommend an 1/8 in gap between board edges. • Keep sheet edges 1/8 in back from walls and cabinet bases.

What Is the Minimum Thickness of Cement Board When Tiling Walls?

Cement boards generally come in 1/4-inch 1/2-inch and 5/8- inch thicknesses. While you can use all thicknesses of cement board on countertops and floors the minimum thickness for tiling walls is


4. 1/4" USG Durock® cement board should not be used for wall or ceiling applications. For wall or ceiling applications use 1/2" or 5/8" USG Durock® cement board. TECHNICAL DATA Property ASTM Test Reference 1/4" Value Flexural strength C947 >1000 psi Indention strength D2394 >1250 psi Weight C473 <1.9 psf

Why I can't use thin-set mortar over RedGard waterproofing

I am ready to start tiling tub and shower surrounding walls. Yesterday I applied the RedGard Waterproofing membrane over Durock Cement boards. Then I checked the instructions on the premixed stone porcelain and ceramic tile thin-set mortar which I am going to use to put tiles and found that it says: "Do not use over waterproofing membrane."