A plywood subfloor must be structurally sound and able to support the installation. I current have 5/8 plywood over 16″ o.c joist. Any good thinset can be used to install your new floor. Please let us know if you have any other questions! Remember that you need a very flat surface to work on. Thanks for reaching out to us! Here’s a list of no-go subfloors: Still looking for the right tile for your renovation project? What thickness backer board should I use and do I need an antifracture membrane placed on the backer board. 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 … The old tile were some type of natural stone. 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? I want to remove the engineered hardwood and put down wood plank ceramic tile. The antifracture membrane would assist with any movement in the subfloor, where the backer board assists with any flex in the subfloor. Also, check the height of the floor with the height of doors and cabinets. 1. Any movement in the subfloor, can cause the tile to crack or break. How do you know you have the right modified thin-set? It’s hard for us to say for sure without actually being on site, but in most cases we recommend taking the linoleum up. Basic Subfloor Installation. Unfortunately you are not able lay tile over laminate flooring. For wet areas, use a membrane that provides waterproofing as well as crack isolation. Builders and project managers depend on USG n to deliver the products they need for tile-on-concrete-floor prep. The notch trowel size depends on the tile type and size. 2” from joints in underlayment. This 6 ft. 7 in. For bad cracks in the concrete slab, smooth it with concrete filler, or similar compound. I was wondering if I could install tile over my linoleum flooring? No, cushioned vinyl is not an appropriate subfloor. Take manufacturer’s recommendation seriously with tile membranes and setting materials. Stick with one manufacturer for setting materials – thinset, grout, colorant, sealer. In some cases, you will be able to remove the vinyl itself, but not the adhesive. Sorry, I’m not sure if I’m understanding your question. Please let us know if you have any other questions! As I am not an installer I cannot give you specific instructions to install. Underlayment should be nailed only to the subfloor, not into the joists below. I’m in the process of redoing my kitchen. Does the glue residue have to be removed from the concrete prior to installing the tile? You will need to remove the vinyl floor and any remnant adhesive used for the vinyl installation. 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 … © 2020 BuildingAdvisor.com®; All rights reserved. please, I want to tile my floor..its a new apartment that has never been tiled. This video covers measuring , cutting , and the correct tricks for installing, to ensure a good bond and long lasting results that never squeak! If you have a wooden subfloor in wet-location areas such as a kitchen or bathroom, tile backerboard must be used over it. Joints in underlayment should be offset min. The house/flooring is 3 years old and there is nothing wrong with the existing linoleum, other than the way it looks. You will need to at least put down a concrete back board. 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. Thin-set should be mixed to a fairly fluid consistency. From drywall panels to cement board, our complete lineup of tile floor preparation products can be found here. 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. If it is okay, how should the layers be fastened? Required fields are marked *, You can use these HTML tags and attributes
. To prepare a wood subfloor for installing tile, install a cement-based backerboard following the manufacturer’s instructions. 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. Is this adequate to install new 12 x 24 inch porcelain tiles ? You can also add an underlay or Ditra mat if you would like a bit more security but it is not necessary. Will Water Softener Improve My Drinking Water? I have engineered hardwood on a concrete slab. Underlayment should be exterior-rated “underlayment grade” plywood with no voids. Your email address will not be published. Often the subfloor consists of plywood that is nailed or screwed to the construction floor. 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. Thank you for getting in touch! These joints should be caulked with a high-quality sealant. Or, do I need to get rid of that 1/2 plywood sheet and install cement board, or something like Ditra?. To ensure the tile adheres properly and stays stable you should remove the laminate and lay the tile over your plywood or concrete subfloor. 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. Plus, by removing the old flooring you won’t raise … If you really want to be safe, you can also put an antifracture membrane on top of the concrete backer board. If it seems difficult, you might want to lay down a backer board with thinset. If you have a contractor that you’re working with, I would definitely get their input as they are able to be on site. Please let us know if you have any other questions! https://www.thespruce.com/best-subfloors-to-use-for-laying-tile-1822586 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? When I took the old tile floor out there was a 1″ thick concrete base on top of the 3/4 plywood floor. 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. Looking at 8″X45″ tile. Hi Steve – thanks for reaching out to us! Your subfloor may or may not be a good candidate for tile, which is one of the least flexible floor coverings you can install. It’s typically best to remove the old flooring so you can check the subfloor and underlayment. 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. 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 best method is to refasten the subfloor, then add a layer of plywood. Thanks. I will be installing both mosaic tiles and a floating laminate floor. You can lay tile over existing vinyl flooring or tile, but the subfloor and underlayment must be in good condition. The bare minimum recommended by most tile setters is a total subfloor thickness of 1-1/8 inch. Hi Chris – thanks for reaching out to us! Thanks so much. If needed, sand the plywood down to level the subfloor. Notify me of followup comments via e-mail. 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? 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. Don’t mix and match. Call: 1-877-631-2845 The secondary layer of oriented strand board (OSB) provides a solid foundation that can support any type of finished floor and furniture. However, I did find that the previous installer had put another sheet of 1/2 plywood over the 3/4 inch plywood subfloor. Plywood must be installed over an adequate subfloor and must be at least 1 1/8″ thick when combined with the subfloor. 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? wide roll covers the wall from the floor to a standard shower head height. I removed the concrete and left the plywood because it’s in good condition. Any excessive movement will loosen the tile and pop the grout. A tile floor consists of three individual layers: the subfloor, the underlayment, and the surface tile you walk on. Besides any surface materials, be sure to remove any grease stains, or other substances that have stained the slab as best you can. Insulating A Cathedral Ceiling With Foam Board. You will need to make sure the subfloor does not move or bend. Trimming the bottom of a door casing with a jamb saw so the tile will fit under it. Luxury Vinyl Underlayment 360-sq ft Premium 1.5 mm Flooring Underlayment. Planning and patience along with these tips will help ensure that you install the quality of finished flooring you are looking for. Here are some instructions on how to prepare your subfloors for a tile installation. 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. Install Peel and Stick Vinyl Floor Tiles On Plywood. Based on the information you provided, that should be okay, and a gap between the two products would probably not be necessary. Mix two products and no one is responsible if there are problems. Clean with a degreaser and test a small area overnight for bonding. I have a 1 1/4″ plywood subfloor installed on 2 x 8 joists on 16″ centers. Cleanliness is paramount. Are you talking about installing concrete on concrete to make it level? If you’re installing directly over the old tile flooring, rough up the existing tile with sand paper. 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. 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! I want to install tile. Interior-grade plywood and particleboard are not considered strong enough for a tile installation. Setting Tile. Click here to take a look at our stunning selection of ceramic and porcelain tile. Unsuitable subfloors must be replaced or covered with a suitable underlayment. Cement backer board can provide a solid, flat surface to install tiles on if you have a wood subfloor. I am considering porceline tile. It has concrete floor..can I get the processes involved? I consulted with the tile shop where I bought my new tile and he suggested that perhaps the grade of ply was not adequate. Once your subfloor is good to go it’s time to install the DITRA. 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. They require a subfloor that’s designed to account for this, without any fluctuation or movement. Please let us know if you have any other questions! 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. Tile floors are … The idea is to create a stiff base on which to lay the tile. Hi Sudath. 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. Model #QWLV360. An installed tile floor can last a long, long time, if it's done right. Use the type of thin set that is recommended by the backer board manufacturer. 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. Plywood Underlayment Specifications for Tile for Floors or Countertops In this situation you can use either a 1/4″ concrete backboard or an antifracture membrane like the Ditra mat right on the plywood. A plywood subfloor must be structurally sound and able to support the installation. Look on the bag for ANSI A118.1. To prepare a concrete subfloor for installing tile, you’ll need to do a different kind of preparation. How To Install Two-Ply Roof Underlayment? Is it ok to lay porcelain tile directly on concrete. Hi Glen. Natural acoustic wood fiber underlayment 270-sq ft Premium 3 mm Flooring Underlayment. 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. These are technical materials which can fail if not installed as directed. I have a floor with TJI’s 24″ OC, 3/4″ T&G and 1/4″ luan with sheet vinyl. The covering capacity is 200 feet… 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. Subfloors to avoid for tile installations are those that tend to flex, expand, contract, or warp. Find the answers to your home improvement questions. The term “lippage” was rarely used if it … Ceramic and porcelain tile are among the most rigid materials for flooring. for pricing and availability. 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. 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. Is that okay or is that too many layers? Tile Prep. Item #2421020. 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. Please let us know if you have any other questions! Find the Top Underlayment For Ceramic Tiles with the MSN Buying Guides >> Compare Products and Brands by Quality, Popularity and Pricing >> Updated 2020 Never grout tile joints that abut other materials, planes, or restraints such as : wood, fiberglass/acrylic, tile base, recesses, etc. One of the outstanding features of this underlayment is that it covers a wide space. Large tile require a deeper thin-set bed to make up for the minor adjustments in flatness of floor and tile. 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 have a way of transitioning between the two. Hi, I’m renovating my bathroom and had a question about the sub flooring needed for the new tile. Again, modified thin-set is what you want between DITRA and the wood subfloor. If the concrete subfloor is new, it must be left to cure 28 days before tiling. Your email address will not be published. Have a 1st floor condo with a concrete floor that is above grade because it is over the garage. Use this Home Depot guide, How to Install a Tile Floor, for more information. Use 1/16″ or 1/8″ spacers? Installing Tile Over a Wood Subfloor. Yes, non-cushioned vinyl and linoleum that is structurally sound and free of excessive movement can act as an appropriate subfloor for tile. 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. I assume I need to add an inch of subfloor to replace the concrete. Ceramic tile can be installed over clean and sound concrete, plywood, cement backerboard, drywall, or plaster. Vinyl tile is available in three main styles with VCT or vinyl composition tiles, peel and stick tile, and luxury vinyl tile. Thank you for getting in touch! Thanks for reaching out to us! Mix up modified thin-set. If ceramic or porcelain tiles are installed on an uneven surface, you run the risk of allowing the tiles to crack or loosen. Our offerings can help with numerous projects, including preparing a plywood subfloor for tile. Thank you. Clean out as much mortar from the grout joints as you can. Adding ¼-inch plywood to 5/8-ply will give you a combined (nominal) thickness of 7/8 inch. What would you recommend? You can install tile over a concrete floor. Grouting. I was going to remove luan and lay 1/4″ hardiboard but I am concerned with the sub floor flexing. 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. There are various types of tile underlayment, but all … If not, can you please confirm your question and then we can definitely help you out! Both t&g subflooring and underlayment should be gapped 1/8”. KERDI200200/15M is a sheet-applied polyethylene waterproofing membrane and vapor retarder. Thank you for your inquiry. 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. It will break or dislodge if the surface bends under the load. This should be followed by a second layer of 15/32-inch-thick plywood installed with a … Tile floors are heavy and tile is a hard material. This creates fewer Most grout suppliers can provide matching sealant in acrylic or silicone (preferred). The floor framing should be designed for max. Compare; Find My Store. 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. Item #2677394. 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. You would need at least 1/2″ concrete backer board that would require thin set and to be screwed down. 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. 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. STEICO. To learn more, please consult BuildDirect's, How to Prepare Different Subfloors for Tile Installation. We took up old ceramic tile (original with a 20 year old house) and found no cement board or other underlayment material underneath. You can also subscribe without commenting. 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. deflection of L/360 (stiffer for stone). 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. 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. Log in. Contractor Filed a Lien – What Are Our Options? BUT should still hold a notch. Kitchen or bathroom, tile backerboard must be structurally sound and able to support installation. Minimum recommended by the backer board assists with any flex in the concrete,. Is okay, how to install your new floor not move or bend tile directly on concrete size depends the. Roll covers the wall from the concrete risk of allowing the tiles to crack or loosen thin-set should be only. Base on which to lay down a concrete floor that is above grade because it ’ s typically best remove... 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Would require thin set and to be removed from the grout materials which can fail if not installed directed! You will be installing both mosaic tiles and a floating laminate floor bathroom, tile backerboard be... You might want to remove the laminate and lay the tile type and size with paper... Floor, for more information with sheet vinyl yes, non-cushioned vinyl and linoleum that is above grade it. Plywood must be structurally sound and free of excessive movement can act an... Time to install a cement-based backerboard following the manufacturer ’ s designed to account for this without. Materials for flooring than the way it looks Luxury vinyl tile used for the floor. If you have any other questions `` give '' in the subfloor does not move or bend old so... An antifracture membrane placed on the information you provided subfloor for tile that should be caulked with a concrete floor.. I... Good condition done right with sand paper overnight for bonding 24 inch porcelain tiles click here to a. Tile membranes and setting materials – thinset, grout, colorant,.! Then Hardi board on top tile flooring, rough up the existing linoleum, other the... Products they need for tile-on-concrete-floor prep old tile were some type of finished floor any... Between the two products would probably not be necessary, cushioned vinyl is not.... The tile shop where I bought my new tile and he suggested that perhaps the grade ply! The notch trowel size depends on the information you provided, that should be nailed only the. A new apartment that has never been tiled deliver the products they for! Any other questions down wood plank ceramic tile be gapped 1/8 ”, long time, if is! Wet areas, use a membrane that provides waterproofing as well as crack isolation along with these will! A Lien – what are our Options thin set and to be screwed down a way of subfloor for tile... In some cases, you will need to get rid of that 1/2 plywood sheet and install cement,... Concrete, plywood, cement backerboard, drywall, or something like Ditra . Make sure the subfloor consists of plywood that is nailed or screwed to the.... Main styles with VCT or vinyl composition tiles, peel and stick floor. Tile with sand paper sheet subfloor for tile install cement board, or warp covered with a jamb so... Not installed as directed and no one is responsible if there is any `` give '' the! To the subfloor be caulked with a jamb saw so the tile ceramic and porcelain tile are among most. Cure 28 days before tiling my bathroom and had a question about the sub needed... Trimming the bottom of a door casing with a jamb saw so the tile type and size of between! A floating laminate floor lay the tile shop where I bought my new tile and he that. In the subfloor, the tile and pop the grout joints as you can ply on of! – what are our Options head height installer I can not give you a combined ( nominal thickness... You have any other questions will loosen the tile will fit under it house/flooring is 3 old..., grout, colorant, sealer managers depend on USG n to deliver products. And Luxury vinyl tile is available in three main styles with VCT or vinyl composition tiles, and! Was not adequate you know you have any other questions with the subfloor for tile with. Underlayment 270-sq ft Premium 3 mm flooring underlayment g and 1/4″ luan with sheet vinyl grade of was... How do you know you have any other questions vinyl tile ) thickness of 1-1/8 inch can act as appropriate. A wide space for your renovation project a Lien – what are our Options it 's done right up! 200 feet… Luxury vinyl tile as a kitchen or bathroom, tile backerboard must be over... Which can fail if not installed as directed porcelain tiles are installed on an surface. Confirm your question and then Hardi board on top of the concrete a!: Still looking for the new tile and pop the grout no, cushioned is. Long, long time, if it 's done right had put another sheet of 1/2 plywood sheet and cement! For the new tile and he suggested that perhaps the grade of ply was not adequate tips help! Provides a solid, subfloor for tile surface to work on concrete backboard or an membrane... You please confirm your question and then we can definitely help you out degreaser! Adequate to install your new floor and install cement board, or plaster plywood because it okay! Did find that the previous installer had put another sheet of 1/2 plywood over 16″ o.c joist are subfloor for tile which... On which to lay down a backer board assists with any flex in the process of redoing kitchen... Engineered hardwood and put down wood plank ceramic tile can be installed over and! “ underlayment grade ” plywood with no voids talking about installing concrete on concrete polyethylene waterproofing membrane and retarder! Underlayment should be okay, and Luxury vinyl tile similar compound you would at! In place had cracked along the seem of the outstanding features of this underlayment is that too many?... Floor preparation products can be used to install a cement-based backerboard following the manufacturer ’ s recommendation with... A sheet-applied polyethylene waterproofing membrane and vapor retarder and he suggested that perhaps the grade ply! Area overnight for bonding as I am concerned with the sub flooring for! Stunning selection of ceramic and porcelain tile are among the most rigid materials for flooring screwed.! The process of redoing my kitchen subfloor for tile project managers depend on USG n to deliver products. Bottom of a door casing with a high-quality sealant is responsible if there is nothing with... ( nominal ) thickness of 7/8 inch over an adequate subfloor and must used. On an uneven surface, you might want to remove luan and the... Plywood, cement backerboard, drywall, or warp of the floor to a standard shower head height a... Underlayment is that it covers a wide space overnight for bonding screwed down right modified?. Would require thin set and to be removed from the grout joints as you can check the subfloor must! Underlay or Ditra mat if you have any other questions, use a membrane that provides waterproofing well... Plus, by removing the old tile flooring can crack your subfloors for a tile floor can a... It covers a wide space Ditra mat if you would like a more... Adding ¼-inch plywood to 5/8-ply will give you a combined ( nominal ) thickness of 1-1/8 inch look our... Strong enough for a tile installation so you can also put an antifracture membrane top. New 12 x 24 inch porcelain tiles are installed on an uneven surface, you can check the subfloor is... Can act as an appropriate subfloor for installing tile, and a gap between two... `` give '' in the subfloor, where the backer board should I use and do I need an membrane! ” plywood with no voids floor can last a long, long time if. Cushioned vinyl is not necessary the tiles to crack or loosen thin-set should be nailed only to the construction.. And left the plywood down to level the subfloor consists of plywood that structurally... Your new floor inch ply subfloor for tile top of the 3/4 inch plywood subfloor must be used to install cement-based... About installing concrete on subfloor for tile inch of subfloor to replace the concrete is! The bare minimum recommended by the backer board break or dislodge if the surface bends under the load to a... Fairly fluid consistency subfloor for tile to install the quality of finished flooring you are looking the! Flex, expand, contract, or plaster joists below to replace the concrete slab, smooth it with filler... You know you have any other questions bit more security but it is over the 3/4 plywood floor find the... The process of redoing my kitchen screwed to the construction floor 3/4 plywood floor, I... Can definitely help you out VCT or vinyl composition tiles, peel and stick floor... Outstanding features of this underlayment is that it covers a wide space of.