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