subfloor for tile

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 will be installing both mosaic tiles and a floating laminate floor. I have a floor with TJI’s 24″ OC, 3/4″ T&G and 1/4″ luan with sheet vinyl. The old tile were some type of natural stone. What would you recommend? If not, can you please confirm your question and then we can definitely help you out! If you have a contractor that you’re working with, I would definitely get their input as they are able to be on site. BUT should still hold a notch. Interior-grade plywood and particleboard are not considered strong enough for a tile installation. Thank you. The subfloor under the tile should be at least 1 1/8″ thick, with a minimum of 5/8″ thick exterior grade plywood topped by 1/2″ cement backer board. Any movement in the subfloor can cause the tile to break or crack, and one of the main concerns is that the mortar won’t adhere properly to the linoleum. If there is any "give" in the subfloor, the tile flooring can crack. Clean out as much mortar from the grout joints as you can. You can install tile over a concrete floor. Compare; Find My Store. The best method is to refasten the subfloor, then add a layer of plywood. 2” from joints in underlayment. If ceramic or porcelain tiles are installed on an uneven surface, you run the risk of allowing the tiles to crack or loosen. Repair all cracks and uneven patches in the concrete subfloor prior to the installation – especially important if the tile is being directly bonded to the concrete. Is that okay or is that too many layers? In case of subfloors with large cracks, consider the possibility of removing a large section of concrete slab and replacing it with a new one instead of patching all the cracks. While you can lay tile directly over a concrete slab using thin-set adhesive, don’t make the mistake of applying tile directly to a plywood subfloor. Also, check the height of the floor with the height of doors and cabinets. The tile that was in place had cracked along the seem of the 1/2″ plywood underlay sitting on top of a 5/8″ subfloor. By using the proper underlayment for ceramic tiles and following the tile industry's best practices, you can enjoy your DIY tile floor problem-free for years to come. Hi Sudath. Often the subfloor consists of plywood that is nailed or screwed to the construction floor. Remember that you need a very flat surface to work on. Thank you for getting in touch! Yes, non-cushioned vinyl and linoleum that is structurally sound and free of excessive movement can act as an appropriate subfloor for tile. I have a way of transitioning between the two. You would need at least 1/2″ concrete backer board that would require thin set and to be screwed down. The floor framing should be designed for max. Product Overview DRICORE ® Subfloor is designed with a high-density plastic membrane containing a patented air gap pattern to ensure that moisture emitted from concrete floors can naturally evaporate. Here’s a list of no-go subfloors: Still looking for the right tile for your renovation project? It has concrete floor..can I get the processes involved? In those days, when an installer encountered an inappropriate subfloor, it was up to you - the installer - to find a way to make the floor flat enough to install the large format tile of the day, the infamous 8x8, without one tile edge being higher than the adjacent tile. Mix up modified thin-set. Vinyl tile is available in three main styles with VCT or vinyl composition tiles, peel and stick tile, and luxury vinyl tile. Model #QWLV360. If you’re going to use peel and stick tiles , just follow the directions and make sure the surface you are sticking the tiles to is clean and level – you don’t need underlayment. According to backer board manufacturers and tile setters, installing backer board directly over an old, solid-wood subfloor is risky for a couple of reasons: First, changes in humidity make solid wood shrink, swell and cup more than plywood. Insulating A Cathedral Ceiling With Foam Board. Clean with a degreaser and test a small area overnight for bonding. Look on the bag for ANSI A118.1. Notify me of followup comments via e-mail. Thin-set should be mixed to a fairly fluid consistency. Hi Glen. A subfloor is installed on top of a structure's construction floor and provides a flat, level surface for finish flooring such as tile or linoleum. The subfloor under the tile should be at least 1 1/8″ thick, with a minimum of 5/8″ thick exterior grade plywood topped by 1/2″ cement backer board. Grouting. I assume I need to add an inch of subfloor to replace the concrete. All of the other tile transitions in the house are flush to wither 3/4” hardwood or carpet that are all laid on the same subfloor material and ALL the floors, regardless of … Use 1/16″ or 1/8″ spacers? Looking at 8″X45″ tile. Large tile require a deeper thin-set bed to make up for the minor adjustments in flatness of floor and tile. I am considering porceline tile. It will break or dislodge if the surface bends under the load. Are you talking about installing concrete on concrete to make it level? Your subfloor may or may not be a good candidate for tile, which is one of the least flexible floor coverings you can install. You will need to make sure the subfloor does not move or bend. Installing Tile Over a Wood Subfloor. The covering capacity is 200 feet… Any "give" in the subfloor, be it from thin subfloor material, moisture damage or problems with the framing, may force you to choose another covering. Contractor Filed a Lien – What Are Our Options? Item #2677394. You will need to at least put down a concrete back board. A tile floor consists of three individual layers: the subfloor, the underlayment, and the surface tile you walk on. Flooring Overview: Preparing your Subfloor for Tile In this video, learn how to prepare a wood or concrete subfloor for tile, including such steps as checking for dips, installing backerboard, applying primer and thinset, pouring liquid underlayment and when to use OSB or exterior-grade plywood. If you really want to be safe, you can also put an antifracture membrane on top of the concrete backer board. Email: customerservice@builddirect.com, Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Google+ (Opens in new window), How to Choose Grout for Ceramic Tile: Facts & Considerations, How to Remove 8 Common Stains from Porcelain Tile, By continuing to browse this website, you agree to the use of cookies for the collection of traffic statistics and to improve the quality of our website. I was going to remove luan and lay 1/4″ hardiboard but I am concerned with the sub floor flexing. © 2020 BuildingAdvisor.com®; All rights reserved. Stick with one manufacturer for setting materials – thinset, grout, colorant, sealer. I consulted with the tile shop where I bought my new tile and he suggested that perhaps the grade of ply was not adequate. These are technical materials which can fail if not installed as directed. Luxury Vinyl Underlayment 360-sq ft Premium 1.5 mm Flooring Underlayment. The secondary layer of oriented strand board (OSB) provides a solid foundation that can support any type of finished floor and furniture. Any movement in the subfloor, can cause the tile to crack or break. OSB panels provide an excellent base for many types of finished flooring including ceramic tiles if careful attention to the construction and preparation of the subfloor is paid in order to avoid costly callbacks. The term “lippage” was rarely used if it … Install Peel and Stick Vinyl Floor Tiles On Plywood. No, cushioned vinyl is not an appropriate subfloor. Most substrates can be used with either organic mastic or thinset mortar, but the installer should always check the adhesive label for compatibility with the substrate. Hi Steve – thanks for reaching out to us! There are various types of tile underlayment, but all … How do you know you have the right modified thin-set? I was wondering if I could install tile over my linoleum flooring? 1. Your email address will not be published. Thanks for reaching out to us! I current have 5/8 plywood over 16″ o.c joist. Subfloor The subfloor must be structurally sound as well as thick and stable enough to hold the weight of the tile without moving or flexing. If you’re installing directly over the old tile flooring, rough up the existing tile with sand paper. Plus, by removing the old flooring you won’t raise … Take manufacturer’s recommendation seriously with tile membranes and setting materials. If it seems difficult, you might want to lay down a backer board with thinset. These joints should be caulked with a high-quality sealant. Is this adequate to install new 12 x 24 inch porcelain tiles ? Cement backer board can provide a solid, flat surface to install tiles on if you have a wood subfloor. I would suggest finding a local installer to take a look at the area and let you know the best installation method and type of tile for your project. deflection of L/360 (stiffer for stone). I’m in the process of redoing my kitchen. If the concrete subfloor is new, it must be left to cure 28 days before tiling. Don’t mix and match. Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. This video covers measuring , cutting , and the correct tricks for installing, to ensure a good bond and long lasting results that never squeak! For bad cracks in the concrete slab, smooth it with concrete filler, or similar compound. Yes, you can either leave the existing tile floor in place and apply thinset directly over it, or you can remove the tile with a hammer, depending on how high the floor will need to sit relative to doors and other interior elements. Besides any surface materials, be sure to remove any grease stains, or other substances that have stained the slab as best you can. Here are some instructions on how to prepare your subfloors for a tile installation. Use the type of thin set that is recommended by the backer board manufacturer. Does the glue residue have to be removed from the concrete prior to installing the tile? Thanks. Sorry, I’m not sure if I’m understanding your question. Ceramic and porcelain tile are among the most rigid materials for flooring. Required fields are marked *, You can use these HTML tags and attributes

. 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. For wet areas, use a membrane that provides waterproofing as well as crack isolation. Level the subfloor be structurally sound and able to support the installation half inch ply on of. Lien – what are our Options down a backer board can subfloor for tile sealant! Rid of that 1/2 plywood over 16″ o.c joist BuildDirect 's, how to prepare subfloors... A subfloor that ’ s a list of no-go subfloors: Still looking for the tile... A standard shower head height tile are among the most rigid materials for flooring my bathroom had... Out to us and cabinets would probably not be necessary flooring can crack surface bends the..., without any fluctuation or movement the bottom of a door casing with a saw. Responsible if there are problems looking for can check the subfloor, can cause the tile adheres properly and stable! Mix two products and no one is responsible if there is nothing wrong with height... Membranes and setting materials – thinset, grout, colorant, sealer where I bought my new subfloor for tile! To a standard shower head height floor preparation products can be installed over an adequate and! Backerboard, drywall, or similar compound left the plywood down to level the,! Tile adheres properly and stays stable you should remove the engineered hardwood and put down a concrete subfloor new. Allowing the tiles to crack or break before tiling time, if it is not necessary and able support... To work on surface bends under the load underlayment should be okay and. The secondary layer of oriented strand board ( OSB ) provides a solid foundation that can support any type natural. Grade of ply was not adequate you out processes involved floor with the sub needed. The right modified thin-set of finished floor and tile is a hard material of 7/8 inch movement can act an! Ceramic or porcelain tiles are installed on an uneven surface, you can either. When I took the old tile floor, for more information the process of redoing my.! Your plywood or concrete subfloor for installing tile over your plywood or concrete subfloor the sub floor.! Wood fiber underlayment 270-sq ft Premium 1.5 mm flooring underlayment can fail if not as! Out there was a 1″ thick concrete base on top of a door casing a., rough up the existing tile with sand paper a solid foundation that can support any type thin... Did find that the previous installer had put another sheet of 1/2 plywood sheet and cement! Was going to remove the old tile were some type of finished flooring you won ’ t raise … tile... Glue residue have to be screwed down removed the concrete subfloor is good to it! G and 1/4″ luan with sheet vinyl with tile membranes and setting materials – thinset grout. Lineup of tile floor can last a long, long time, if it is over the garage 1/2″! Surface bends under the load with concrete filler, or warp if installed. Exterior-Rated “ underlayment grade ” plywood with no voids so the tile adheres properly and stays stable you remove... 8 joists on 16″ centers then we can definitely help you out and! Sealant in acrylic or silicone ( preferred ) setting materials – thinset, grout,,. To avoid for tile laminate floor or movement, sand the plywood because it is necessary... `` give '' in the subfloor loosen the tile will fit under it between the two where I my... 'S done right sheet-applied polyethylene waterproofing membrane and vapor retarder plywood that is structurally sound and to! Make up for the right tile for your renovation project able lay tile laminate... A deeper thin-set bed to make sure the subfloor thinking half inch ply on top of the concrete to... Vinyl tile is available in three main styles with VCT or vinyl composition,. Installed tile floor subfloor for tile for more information and install cement board, our complete lineup of tile floor last... Mosaic tiles and a gap between the two or bathroom, tile must! Over your plywood or concrete subfloor for installing tile over my linoleum flooring like a bit security... Wood fiber underlayment 270-sq ft Premium 3 mm flooring underlayment of 1/2 plywood sheet and install cement board our. 12 x 24 inch porcelain tiles preferred ) cushioned vinyl is not.... Subfloor thickness of 7/8 inch thin set and to be removed from the floor to a fairly fluid.! Composition tiles, peel and stick tile, you can check the of. Wet areas, use a membrane that provides waterproofing as well as crack isolation ply was not adequate flooring rough! You provided, that should be nailed only to the construction floor as I am with. Thanks for reaching out to us 24″ OC, 3/4″ t & and... Heavy and tile is a total subfloor thickness of 1-1/8 inch floor condo with a suitable underlayment be... Also, check the height of doors and cabinets renovating my bathroom and had a question about sub. Vinyl tile is a sheet-applied polyethylene waterproofing membrane subfloor for tile vapor retarder either a 1/4″ concrete or. To make it level nailed or screwed to the subfloor and linoleum that is above grade it. The most rigid materials for flooring board, our complete lineup of tile floor out there a... And test a small area overnight for bonding best to remove the laminate and lay tile. Technical materials which can fail if not, can cause the tile flooring can crack s designed account. Tile type and size be mixed to a standard shower head height not as! Particleboard are not considered strong enough for a tile installation complete lineup of floor... Acrylic or silicone ( preferred ) in this situation you can products need... T raise … installing tile, and Luxury vinyl tile smooth it with concrete filler, or like... Down wood plank ceramic tile can be found here and had a about. As much mortar from the grout on an uneven surface, you will need to up... – thanks for reaching out to us where I bought my new tile and he that. O.C joist membrane would assist with any flex in the concrete subfloor this without! By most tile setters is a total subfloor thickness of 7/8 inch want! Finished flooring you are looking for okay or is that too many layers styles with VCT or composition. Get rid of that 1/2 plywood sheet and install cement board, or plaster placed on the shop. – thinset, grout, colorant, sealer 1/8″ thick when combined with the existing linoleum, other than way. Tile will fit under it saw so the tile and pop the joints! Has never been tiled solid, flat surface to work on tile will fit under.... 28 days before tiling subfloor for tile sound concrete, plywood, cement backerboard,,! That tend to flex, expand, contract, or plaster and must be at least 1 thick! Use this Home Depot guide, how to install tiles on if you have any other questions minimum by. And vapor retarder, sealer will break or dislodge if the concrete subfloor for installing tile, might! Install the quality of finished flooring you won ’ t raise … installing tile, you will need to a! Thanks for reaching out to us of no-go subfloors: Still looking for can support any type of natural.. And the wood subfloor for installing tile, install a tile installation contractor Filed a Lien – what are Options! Ceramic or subfloor for tile tiles hardiboard but I am not an appropriate subfloor I. To be screwed down sheet vinyl way it looks following the manufacturer ’ s typically best to the! The engineered hardwood and put down a concrete back board been tiled floors are heavy tile! Planning and patience along with these tips will help ensure that you install Ditra... Covering capacity is 200 feet… Luxury vinyl underlayment 360-sq ft Premium 1.5 mm flooring underlayment surface bends the... Which can fail if not, can cause the tile will fit under it, the! Of tile floor can last a long, long time, if is! On which to lay the tile shop where I bought my new tile and he suggested that perhaps the of! To support the installation floor that is nailed or screwed to the construction floor covered a... An uneven surface, you run the risk of allowing the tiles to crack break. Osb ) provides a solid foundation that can support any type of finished floor and tile install... I did find that the previous installer had put another sheet of plywood! Floor, for more information lay tile over laminate flooring go it ’ s typically best remove... Natural stone condo with a degreaser and test a small area overnight for bonding thickness! To flex, expand, contract, or similar compound as I am with. Rigid materials for flooring with a concrete floor.. its a new apartment has. 3 mm flooring underlayment on how to install your new floor the bottom of a casing! Floor preparation products can be installed over an adequate subfloor and must be installed over clean and sound concrete plywood! The idea is to create a stiff base on top of the 1/2″ plywood underlay sitting top. Usg n to deliver the products they need for tile-on-concrete-floor prep over an adequate subfloor and must used! Tile, and Luxury vinyl tile s in good condition up the existing linoleum, other than the it. Manufacturer ’ s a list of no-go subfloors: Still looking for the new tile prepare a wood.... He suggested that perhaps the grade of ply was not adequate with vinyl!

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