what size hardie board for floor

What Size Hardie Board For Floor?

Before you get started, you should determine if your floor is suited to HardieBacker Cement Board. That means you should have a minimum of ⅝” thick exterior grade plywood or 23/32” thick OSB with minimum exposure 1 classification.Feb 29, 2020

Can you use 1/2 inch Hardibacker floors?

We recommend 1/4 in HardieBacker® board for floor applications, unless 1/2 in thickness is needed for transition. On existing structures: Ensure subfloor is not damaged. Replace any loose, warped, uneven or damaged sections of floor.

Can 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.

How thick should Hardie board be for tile?

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 when spanning the studs and it provides a solid base for the tile.

What size backer board do you use for floor tile?

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. For countertops, use 3/4-inch plywood beneath the backer board.

Do you need thinset under hardie board?

Since you are putting down hardie board on boards with small gaps, I would not recommend trying to put down thinset under it. It will make an enormous mess under the house (or whatever is under your bathroom). It is also more likely to make the floor uneven since it is hard to level thinset that is separated by gaps.

Why do I need thinset under backer board?

Thinset is going to create a solid surface under tile and prevent flexing that could lead to cracking. Using thinset between the backerboard and subfloor will create additional strength, fill in any potential gaps that exist and lessen the possibility of movement.

Can I just screw down cement board?

Screw and Joints

Do not use drywall screws as they are not recommended to be used to hold the backer board in place. All of your backer board pieces should be cut before they are placed on​ the floor. … It is important to highlight that screws shall not be installed all the way down to the floor joists.

How do you install Hardie board on the floor?

What thickness cement board should I use?

Cement backer board comes in two standard thicknesses, 1/2 inch and 1/4 inch. The industry standard is to use 1/2-inch-thick backer board on wall tile installations, such as a tub surround.

What is the best thickness for floor tiles?

The thickness of a tile is dependent on the material it is made of and the manufacturing process. Although any floor tile can be used on the wall too, a good floor tile is at least 10mm thick. This will mean it is durable and suitable for heavy traffic areas.

How thick should floor tiles be?

Most floor tiles have a thickness of about 1/2 inch to 3/4 inch. When comparing the thickness of wall tile vs. floor tile, the ones made for floors are generally thicker than wall tiles. A tile’s thickness usually depends on the material.

Do you nail or screw Hardie board?

What is the correct fastener pattern for installing HardieBacker® cement board? Fasten HardieBacker sheets with proper nails or screws (as listed in ”Materials Required” in the backer installation instructions) every 8” around the perimeter and all supporting studs.

Is backer board required for floor tile?

Most projects need 3-foot by 5-foot sheets. Whenever you’re laying tile on a wood subfloor, you need to first install cement backerboard. Backerboard prevents leaks and water damage that could harm your flooring and the structure of your home.

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How much height does Thinset add to floor?

Plan for a layer of thinset 3/16-inch to 1/8-inch thick beneath your tile. A 3/16-inch layer of thinset will be enough for tiles with a smooth back to bond the tile to the floor or backer board.

Can you put cement board on concrete floor?

Placing cement boards over the concrete subfloor is an excellent way to create a solid and smooth subfloor. While cement backer boards are normally nailed to wood studs or a wood subfloor, you can use thin-set mortar to bond the cement boards directly to the concrete.

What do you do with a gap between tub and cement board?

Technically, after the tile is installed over the backer board that gap between it and the tub ledge should be filled with an ASTM C920 sealant (caulking e.g. silicone). Although some say you should have weep holes along this gap so any water behind can weep out into the tub.

Can you use 1/4 Hardibacker walls?

3 Answers. 1/4″ hardibacker alone is an unsuitable substrate for shower wall tile. If it were attached to properly waterproofed drywall, plywood, or plaster it would be fine. Think about it, one wayward elbow, knee, or hip bump and you may get flexion which would cause the grout (or tile) to crack.

Do you have to tape seams on Hardibacker?

For tile backer boards such as Durock, Wonderboard, Hardiebacker, Permabase, and others the seams between the board need to be treated with 2-inch alkali-resistant mesh tape. … It helps to make the walls that are to be tile more monolithic.

What do you use for Hardibacker seams?

How do you secure cement board to the floor?

Tape the seams Lay cement board fiberglass mesh tape over all the seams (it’s sticky on one side). Use a wide putty knife or a flat trowel to spread thin-set mortar over the tape, making sure to knock down any ridges or high spots.

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Which is better cement board or Hardibacker?

Durock is a reliable cement product that contains glass mesh. It is the heavier of the two materials, which means it is more difficult to use and maneuver. … HardieBacker is much more light, and it is also the best selling brand of cement board available. It is much cleaner because it does not have any glass in it.

Can you install Hardie board over OSB?

In this case the thinset is used to fill all the voids between the hardie and osb, not to bond them together. The mechanical fasteners will hold the two together. No problem here using thinset and osb. It will probably be OK.

Can Hardie board be used as flooring?

Installing HardieBacker Cement Board to a wooden subfloor is as simple as that! HardieBacker Cement Board can be used with nearly any kind of tile, whether ceramic, porcelain, or natural stone. … Spread the modified thinset with a notched trowel appropriate for the size of tile you are installing.

Do I need vapor barrier behind Hardibacker?

A vapor barrier behind the hardi-backer or concrete board is SOP today. These walls are also insulated for sound proofing so even more important to water seal the outer layer from the inner cavity.

Which side of 1/2 Hardibacker faces out?

Face the rough side out if you will be using thin-set mortar adhesive to install the tile but the smooth side out if you will be using latex mastic.

Do you start tiling from the top or bottom?

Here’s how you do it: Install the first four tiles in a pyramid: three on the bottom and one on top. Every subsequent row is a process of draping over the pyramid, back and forth. Begin your first drape on either the right or left side, and bring it up, over, and down the other side.

How do you cut Hardie board?

Does thickness of floor tile matter?

Does it really matter how thick your porcelain tile is? Thicker tiles do tend to offer greater durability, but the thickness can also be important to make the tiles fit into your space. For example, you don’t want your new tile floor to be higher or lower than the flooring in adjoining rooms.

How thick are floor tiles and grout?

Consideration should also be given to the type of grout to be used. Common practice is 2-3mm for wall tiles and 3-5mm for floor tiles. The key difference in tile type, in relation to grout lines, is whether you tile is rectified or not.

What do you put under tile floors?

Underlayment is something you put on top of your substrate to prepare it for tiling. The substrate (or subfloor) is the ground, whether it’s made of plywood or cement. Cement board or backer board are the most standard underlayments. They come in various thicknesses for different spaces.

How much height does tile add to floor?

Tile flooring is water-resistant and durable when combined with backer board, which is impervious to moisture and helps create a flat base. Installing tile raises the surface level of the floor slightly. Tile and backer board, combined, typically add 1/2 inch to 1 inch in floor height.

Can you lay tile directly over a plywood subfloor?

Tile can be laid on plywood. But do not install tile directly on the plywood subfloor itself. Use an intervening layer of a sheet of thinner plywood.

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Do you caulk Hardie board joints?

Joint-flashing material must be durable, waterproof material that does not react with cement based products. … Other products may also be suitable. James Hardie DOES NOT recommend using caulk or “H”-jointers for the butt joints of HardiePlank® siding with ColorPlus® technology.

How to Install HardieBacker Cement Board on Floors

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