Please let us know if you have any other questions! STEICO. For ceramic tile, the Tile Council recommends using joists that are 16 inches on center, a 3/4-inch-thick plywood subfloor, and a 1/2-inch-thick cement backer board or concrete slab. Thanks for reaching out to us! Please let us know if you have any other questions! Hi Chris – thanks for reaching out to us! Basic Subfloor Installation. Check for complete coverage of thin-set mortar by pulling up one tile -- it should cover at least 80% of the back of the tile. The idea is to create a stiff base on which to lay the tile. Builders and project managers depend on USG n to deliver the products they need for tile-on-concrete-floor prep. Both t&g subflooring and underlayment should be gapped 1/8”. Plywood Underlayment Specifications for Tile for Floors or Countertops If needed, sand the plywood down to level the subfloor. Ceramic tile can be installed over clean and sound concrete, plywood, cement backerboard, drywall, or plaster. Unfortunately you are not able lay tile over laminate flooring. The Tile Council of North America (TCNA) calls for a subfloor of 19/32-inch tongue-and-groove plywood to be installed over wood joists spaced 16 inches on center, with a 1/8-inch gap between sheets. Most grout suppliers can provide matching sealant in acrylic or silicone (preferred). Thank you for your inquiry. If it is okay, how should the layers be fastened? Again, modified thin-set is what you want between DITRA and the wood subfloor. Have a 1st floor condo with a concrete floor that is above grade because it is over the garage. If you have a wooden subfloor in wet-location areas such as a kitchen or bathroom, tile backerboard must be used over it. Tile floors are heavy and tile is a hard material. for pricing and availability. Please let us know if you have any other questions! Please let us know if you have any other questions! Plywood must be installed over an adequate subfloor and must be at least 1 1/8″ thick when combined with the subfloor. It sounds like your joists are well within the acceptable limits of L/300, so your main concern is the deflection of the subfloor between joists. However, I did find that the previous installer had put another sheet of 1/2 plywood over the 3/4 inch plywood subfloor. Tile floors are … He suggested I remove the 1/2″ ply and put down a new layer of 5/8″ underlay on top of the existing 5/8 subfloor making sure not to overlap joints. Or, do I need to get rid of that 1/2 plywood sheet and install cement board, or something like Ditra?. Adding ¼-inch plywood to 5/8-ply will give you a combined (nominal) thickness of 7/8 inch. Find the Top Underlayment For Ceramic Tiles with the MSN Buying Guides >> Compare Products and Brands by Quality, Popularity and Pricing >> Updated 2020 It’s typically best to remove the old flooring so you can check the subfloor and underlayment. Your email address will not be published. This creates fewer You will need to remove the vinyl floor and any remnant adhesive used for the vinyl installation. Please let us know if you have any other questions! I was thinking half inch ply on top of the 3/4 and then Hardi board on top? Unsuitable subfloors must be replaced or covered with a suitable underlayment. You can also subscribe without commenting. Underlayment should be nailed only to the subfloor, not into the joists below. Use this Home Depot guide, How to Install a Tile Floor, for more information. In some cases, you will be able to remove the vinyl itself, but not the adhesive. Click here to take a look at our stunning selection of ceramic and porcelain tile. Item #2421020. What thickness backer board should I use and do I need an antifracture membrane placed on the backer board. Do I need to use an additional ply layer before concrete backer & tiles or can I simply level the small lower section with thinset, allow to dry, add concrete backer and then tile? They require a subfloor that’s designed to account for this, without any fluctuation or movement. This should be followed by a second layer of 15/32-inch-thick plywood installed with a … When I took the old tile floor out there was a 1″ thick concrete base on top of the 3/4 plywood floor. If the existing tile floor is set over a mortar bed, it may be hard to remove the tiles without removing a lot of the mortar bed. No matter how firm the subfloor; the plywood will expand and contract at a different rate as the tile, causing cracks to develop in the grout lines or tiles … A plywood subfloor must be structurally sound and able to support the installation. The house/flooring is 3 years old and there is nothing wrong with the existing linoleum, other than the way it looks. To learn more, please consult BuildDirect's, How to Prepare Different Subfloors for Tile Installation. Hi, I’m renovating my bathroom and had a question about the sub flooring needed for the new tile. please, I want to tile my floor..its a new apartment that has never been tiled. We took up old ceramic tile (original with a 20 year old house) and found no cement board or other underlayment material underneath. An installed tile floor can last a long, long time, if it's done right. I have a 1 1/4″ plywood subfloor installed on 2 x 8 joists on 16″ centers. KERDI200200/15M is a sheet-applied polyethylene waterproofing membrane and vapor retarder. To prepare a wood subfloor for installing tile, install a cement-based backerboard following the manufacturer’s instructions. Cleanliness is paramount. Will Water Softener Improve My Drinking Water? Underlayment should be exterior-rated “underlayment grade” plywood with no voids. Find the answers to your home improvement questions. I want to install tile. The bare minimum recommended by most tile setters is a total subfloor thickness of 1-1/8 inch. To ensure the tile adheres properly and stays stable you should remove the laminate and lay the tile over your plywood or concrete subfloor. Log in. To prepare a concrete subfloor for installing tile, you’ll need to do a different kind of preparation. Trimming the bottom of a door casing with a jamb saw so the tile will fit under it. Please let us know if you have any other questions! Mix two products and no one is responsible if there are problems. Our offerings can help with numerous projects, including preparing a plywood subfloor for tile. Trimming the bottom of a door casing with a jamb saw so the tile will fit under it. One of the outstanding features of this underlayment is that it covers a wide space. Thanks so much. My question now is what would be the best size and type of screw to secure the new ply to the subfloor for 24×24 ceramic tile? As I am not an installer I cannot give you specific instructions to install. I removed the concrete and left the plywood because it’s in good condition. Setting Tile. Subfloors to avoid for tile installations are those that tend to flex, expand, contract, or warp. You can lay tile over existing vinyl flooring or tile, but the subfloor and underlayment must be in good condition. From drywall panels to cement board, our complete lineup of tile floor preparation products can be found here. The notch trowel size depends on the tile type and size. Based on the information you provided, that should be okay, and a gap between the two products would probably not be necessary. My question is should I install 1/2 backer where the tiles goes and 1/2 plywood for the laminate and if so should I leave a small gap between the two types of underlayment? Never grout tile joints that abut other materials, planes, or restraints such as : wood, fiberglass/acrylic, tile base, recesses, etc. Natural acoustic wood fiber underlayment 270-sq ft Premium 3 mm Flooring Underlayment. Call: 1-877-631-2845
. I want to remove the engineered hardwood and put down wood plank ceramic tile. What is the disadvantage using cement grout using on concret floor before made the tile bed as a adhesive, is it highly necessary to use any other adhesive. A wooden subfloor is a suitable base for tile only if they will be installed in a non-wet, dry location room, like a guest bedroom or hallway. Joints in underlayment should be offset min. I have engineered hardwood on a concrete slab. How To Install Two-Ply Roof Underlayment? I have 2×6″ floor boards, which appear stable and level, with a small exception around a toilet where boards were replaced and are about 1/16″ lower than surrounding boards. This 6 ft. 7 in. wide roll covers the wall from the floor to a standard shower head height. Any excessive movement will loosen the tile and pop the grout. https://www.thespruce.com/best-subfloors-to-use-for-laying-tile-1822586 Please let us know if you have any other questions! Once your subfloor is good to go it’s time to install the DITRA. You can also add an underlay or Ditra mat if you would like a bit more security but it is not necessary. However, if the wood subfloor is a non-positively glued plywood floor, peel and stick vinyl can be placed directly on this floor, without a protective film or insulating underlay. Is it ok to lay porcelain tile directly on concrete. Thank you for getting in touch! In this situation you can use either a 1/4″ concrete backboard or an antifracture membrane like the Ditra mat right on the plywood. The antifracture membrane would assist with any movement in the subfloor, where the backer board assists with any flex in the subfloor. A plywood subfloor must be structurally sound and able to support the installation. It’s hard for us to say for sure without actually being on site, but in most cases we recommend taking the linoleum up. Any good thinset can be used to install your new floor. Tile Prep. 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