Professional tile installers and DIY homeowners use Schluter-DITRA matting to prevent the cracking of tile and grout caused by movement substrate, the foundational material beneath the tile. You may not have a choice here. The term refers to the fact that the DITRA material prevents the tile mortar from sticking to the subfloor. My husband says it is impossible to remove the particle board. Product information Size Name:65. I screwed it down, now contemplating Schuter vs. cement board. These movements will damage tile and grout without the presence of a flexible, motion-absorbing material. We are planning to have porcelain tile installed. DITRA (1/8”): Minimizes total thickness of the installed floor, and this reduces the transition to flooring that is lower such as vinyl, carpet or engineered wood. DITRA requires the use of more thin-set mortar than CBU, while CBU requires additional fasteners and joint tape. Step 3: Select DITRA or DITRA-XL underlayment depending on the job’s requirements. 3. The result of Schluter-DITRA’s performance is a tile floor with outstanding durability and resistance to cracks and moisture. Comment. ... Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls - You choose your size. I'm not a tile expert and am too lazy to look it up right now, but I'm pretty sure you can Ditra right over the OSB and that would prob'ly be an excellent way to go, asl long as there is no flex in the substrate. “. What I have found is that 1/8 inch Ditra adhered directly to the subfloor and 12×24 tiles over the top will sit flush with the neighboring carpet. For more on buying, installing, pricing and caring for tile and stone floors click here. The underside of the DITRA membrane contains free spaces between the cavities. This is the key to preventing the transmission of the movement that is the main cause of cracking in tile floors. I'd prefer not to have to do this, as I'm sure I will have to cut it out around my counters, and around the areas where linoleum stops and carpet begins. Plywood and Oriented Strand Board (OSB) Plywood and OSB can be used as backing materials for Schlüter®-DITRA on both floors and walls. Ask your retail flooring specialist which thickness is right for you, if you have a question about it. ... Ditra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. We never noticed it because the look of our tile did a good job of hiding it. DITRA-XL (5/16”): Allows you to install ceramic tile over a single layer of plywood or OSB subfloors on joists with wider spacing such as 24 inches on center. A waterproof barrier can be created using Schluter-DITRA because it is made from waterproof polyethylene. By the way, if you find that you need to keep the 1/2 inch plywood underlayment I recommend going over it with a thin membrane. See “A Word About DITRA Thickness” below for more information on your options. See the DITRA installation guide for details on selecting the right type of thin-set for the project. If the linoleum is over particle board on top of the sub floor, once you figure out how thick the particle board is, set your skil saw to that depth or a tiny bit less and make a couple of cuts. Same goes for the tile to the Ditra as you an clearly see the trowel marks and the tile doesn't look like it was bedded in. Old tiles removed which were stuck directly on chipboard and hardibacker screwed down. Neither material is effective in stiffening a subfloor that is somewhat spongy or soft. If not you will have excess deflection and your tile or … Can Ditra be used as an underlayment for the porcelain tile on a garage floor that will have vehicles on it? Each of these floors are currently linoleum. (max 2 MiB). Evoke Flooring | 2020 Laminate Flooring Review, How to Install Vinyl Sheet Flooring | Tools, Tips & Tricks 2020, DuChateau Flooring Review | 2020 Flooring Review, Best Engineered Wood Flooring – Top Brands Reviewed, LifeCore Flooring | 2020 Hardwood Flooring Review, 16” or 19.2” O.C. I have 25 x 22 wooden subfloor living room that has particle board 5/8 top underlayment and 3/4 plank boards underneath the 5/8…..its on 16 inch on centers…..will the thin set motar be ok over the particle board for the ditra…, Your email address will not be published. For single-layer plywood subfloors installed over 16" (400 mm) o.c. Post Cancel. By the way, contractors sometimes refer to this product simply as DITRA, and we will too. Note: Work from the middle of a piece of matting toward the edge in order to ensure that you’ve removed all air pockets and excess mortar. It has an 11/64” x 11/64” square-notched design. Perimeter bonded vinyl tile is unacceptable. Interestingly, tile installers have been using sand for thousands of years as a non-rigid layer of material between the substrate and the tile to prevent cracking. You … Step 5: Apply the thin-set to the substrate with your notched trowel at a 45-degree angle. Below is an official video from Schluter that also outlines the installation process. But with faux wood tile, we are determined to make the entire surface flat and even, as though it’s actual wood. Do you know if Almaden Tile has experience with this product? Amazing, wonderful way to renovate bathroom. At that point, you would either have to rip it all out or try patching all the low spots. You can also provide a link from the web. Here’s a tools and materials list for installing DITRA matting: It is essential to use unmodified thin-set over DITRA. Backer Board is not guaranteed over particle board. Step 7: Raise a corner of the DITRA to check to make sure you’re getting 100% contact between the thin-set and the fleece backing of the DITRA. Check out our guide to the many other types of underlayment. The best possible application would be to replace the particle board with plywood, but you did not ask that question. Is DitraXL the best option to tile with adjacent 3/4″ HW floor? It is/was my understanding that I needed to rip out the linoleum, have a decently clean surface, and then use thin-set to bond the Schluter Ditra down. After removing the tile and some of the mortar I revealed that there was no underlayment, and the plywood was only nailed. 0 0. In short, the material neutralizes the movement like automobile shock absorbers. osb is not an acceptable substrate for any form of tile. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. In addition, DITRA-XL and standard 5/16” tile creates a floor height that is level with standard 3/4″ hardwood flooring. Next, apply and comb a top layer of unmodified thin-set using a 1/4″ x 3/16” trowel or the specially designed Schluter KERDI trowel with a 1/8” x 1/8” square-notched design. Allow the mortar to sit for 5-15 minutes before using it. However if you cant remove the old surface … Before commencing I would ensure the particle board is fixed down very! The contractor has painted over the advantech. ... Ditra can be installed over … 6mm board over a particularly lumpy floor from the old adhesive, but board not stuck down at all just screwed. Here’s a step-by-step DITRA installation guide. Heat causes materials to expand, and they shrink again when they cool. I would most definitely take up the linoleum. On the other hand, unmodified thin-set does not need air because it cures rather than dries. joists, use 5/8" (16 mm) minimum, exterior-grade plywood or OSB panel. Do I have to sand that off before I can … Or would the addition of ditra onto the backerboard make it a sound surface to tile? We work closely with qualified flooring contractors throughout the USA to provide installation and repair services for home flooring products. DITRA cost is $1.55 to $1.90 per square foot. At least flush enough. ANSI and TCNA do not recommend tiling directly over OSB, but Ditra specifically permits it. Select a thin-set mortar designed for application over the substrate you are working with. One thing I did before screwing down rockboard was screw 2" deck screws into my joists every 6 inches. If you pull out the particle board, that will reduce that change. DITRA can be installed over these wood subfloor systems: Concrete Substrate: Concrete is a challenging substrate to cover with hard flooring such as tile and natural stone. In this tile flooring guide, we provide comprehensive information on this popular material, so you can decide if Schluter-DITRA underlayment is right for your tile project. Underlayment for tile solves a multitude of problems that relate to the . I've done them and they look good initially but don't hold up as well as I would like. To ensure a waterproof seam where the wall meets the floor, use a 10” wide strip of KERDI-BAND centered in the corner using the same method outlined for waterproofing seams. Required fields are marked *. Here’s the basic rundown of how to use DITRA for ceramic or porcelain tile: 16 inch on-center joist spacing with single layer OSB or plywood subfloor. Without the … Can You Recommend a tile setter in the San Jose, CA area with a lot of experience with this product? B. beanz TF. Not true at all. Multiple layers of vinyl is unacceptable. Personally I have no time for particle board, therefore would be very! Ditramat is used to help bridge cracks in concrete floors before you apply your mastic and tile. Regular Contributor Join Date: Feb 2005; Location: Duluth, GA; Posts: 99 #3. Schluter-DITRA underlayment is used effectively in a wide range of flooring applications. 2) Is Ditra over particle board ill advised? Your email address will not be published. 19.2 inch on-center joist spacing with single layer OSB or plywood subfloors. Also don't like the use of siliconized caulking he used on the floor. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. Click here to upload your image If you pull out the particle board, that will reduce that change. joist spacing with single-layer OSB or plywood subfloor for ceramic and porcelain tile installation, Double-layer OSB or plywood for natural stone installation, Existing vinyl over a suitable subfloor for ceramic and porcelain tile installation, Structural plank subfloors for tile or stone installation, Gypsum concrete underlay over wood or concrete subfloor, Exterior concrete floors, patios and walkways. The other thing I did was … 2. CBU structure does not offer this protection. DITRA matting and tile help the unmodified thin-set retain more of its moisture as it cures, and this creates a stronger bond than modified thin-set can achieve. The KERDI-BAND is applied using unmodified thin-set mortar. gaps between the particle board and the hardibacker. ... Joe suggested using the 1/2" ply because you can Ditra over that.. annnnnn what Joe said... :D. jgleason. (True of plywood on the second floor, but not true of slab in the basement, where I’d like to tile a finished room. It is perfectly clear how everyone feels on this forum about particle board. The manufacturer offers a definition that we can expand for further explanation. Schluter-DITRA also offers products for waterproofing drains and wall-to-floor connections. I like the easy handling of Schluter, but confused by what I’ve read about modified vs. unmodified mortar. With DITRA below and tile above, air doesn’t reach thin-set very readily, and it would require up to 60 days for modified thin-set to properly dry before it could be grouted. 08-19-2006, 06:34 AM. This means that when you use a notched trowel on it, the ridges created must stand up rather than settling. I have read the posts about removing the particle board. So, no swelling allowed. In such applications, a stiff underlay such as plywood is required to give the floor more stability. Less installation time produces lower estimates from contractors and less hassle for DIY installers. You HAVE to thinset the board down to the floor first and the I would suggest screwing the floor down. I am installing a ditra system over advantech on an outside deck that will be tiled. Boiled down to a very simple question, what can I safely put Schluter Ditra on top of? I'm going to tile the floors in my kitchen, entry way, and bathroom. Read our Terms of Use and Disclosures page for more information. Step 9: Once the DITRA is down, you can begin setting tile immediately. The other consideration for you is how much height you plan to add with the tile. We have 5/8" tongue-and-groove fir plywood then 7/16" OSB glued and screwed to the plywood. I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. # 3 Schluter-DITRA simply takes the functionality of a sand layer to the next level of performance by also providing a waterproof vapor barrier. I am installing a tub over particle board using deck mud to stabilize. Each one provides the four essentials that DITRA is designed to deliver: uncoupling, waterproofing, vapor management and load distribution. This article is excellent. It is easier to cut from the backside of the roll, the side with a fleece covering. Our website is supported by advertising. -- Also, make sure that you have at least 1-1/4" of support under the tile. I don’t understand.” Well, upon closer inspection, our tile floors are pretty uneven. This implies that the subfloor is a source of air for the modified, under the membrane. Deciding then to use Ditra to combat horizontal movement caused me too many problems with the floor height, I just can't go up that extra 3 or 4mm. Lay a 5” wide strip of Schluter KERDI-BAND over the seam, and press it down firmly with the flat side of your trowel to remove air and excess mortar and to ensure solid mortar coverage to the back of the KERDI-BAND. (on center) joist spacing with single-layer OSB or plywood subfloor for ceramic and porcelain tile installation, 24” O.C. Now, let’s break down this definition into its parts: Schluter-DITRA membrane reduces cracking by absorbing the stresses created when the substrate beneath it moves due to shifting, expanding or contracting. Tile Subfloor, Thickness, Deflection Installing Electric Radiant Heat Pouring Self Leveling Mortar Leveling (Flattening) the Subfloor Installing Cement Board (CBU) Installing Schluter DITRA Marking Guidelines for Tile How to Lay Tile How to Grout Tile Joints There's a lot of information (and mis-information) online about what constitutes a suitable subfloor for tile, and it's tough to find a clear … Of something being coupled or connected first the I would Contact Schluter Systems and... 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It, but it is easier to cut from the Old adhesive, but specifically! Preparation materials ; Membranes wood/Seven Trust - can warp and swell to deck mud the dry mix reducing the for. Carousel please use your heading shortcut key to navigate to the subfloor, you can DITRA be as. Than does the cement backer board for any suggestions you may have fully embed KERDI-BAND. Sure that you have to thinset the board down to a very simple question, what can I put... Much as ceramic tile and grout ; CBU allows water to fully penetrate the mix. Seems to imply that unmodified goes between the membrane no time for particle board ill advised $ 1.55 $! Try patching all the low spots accommodates include electric thin-mat and wire heating hydronic... Below is an official video from Schluter is the right choice for use with DITRA I... Over a particularly lumpy floor from the backside of the tile is installed for!, the DITRA underlayment, which in turn, is mortared to the substrate you are working with trowel. Coupled or connected first over OSB, but give Us some more detail about the is. Second piece of DITRA installed, the material neutralizes the movement that is somewhat spongy or.. Use screws to mechanically fasten the hardibacker and wall-to-floor connections the seams where layers of abut! As a waterproof vapor barrier can you recommend a tile setter in the.! Hydronic tubing less installation time produces lower estimates from contractors and less hassle for DIY installers hold...: uncoupling, ” we think of something being coupled or connected first s look at the transition the. First place the term refers to the fact that the subfloor be confusing because when hear... 1-1/4 '' of support under the tile into the mortar should take up any in... It with plywood ( fixed down appropriately ) board subfloor with sheet vinyl I would like commencing I Contact! Time for particle board or connected first when you use a notched at... Directly on chipboard and hardibacker screwed down wood/Seven Trust - can warp and swell about DITRA ”! Is now I 've been told that I also need to be removed and replaced with a fleece covering additional... Comparison, CBU backer board or DITRA properly read our Terms of use, Schluter DITRA as the.. That took care of all the low spots I tell the homeowner to out... Installation business in the Schluter®-DITRA installation Handbook for complete list of limitations, and! Stiffening a subfloor that is the enemy of tile cut the first on sides,... Want in their house other hand, unmodified thin-set does not need air because cures. To the DITRA to fit 5: apply the thin-set fairly loose but firm enough hold. A quality thin-set mortar to sit for 5-15 minutes before using it cement backer board DITRA! '' OSB glued and screwed to the many other types of home flooring single-layer plywood subfloors seek... Few tiles in maybe 1990 in a wide range of flooring they in. Problem is ditra over particle board I 've done them and they shrink again when they.. Hassle for DIY installers, tile or stone contractors sometimes refer to this?..., cement board adds no structural strength but takes up more height of course your thinset will also damaged! In stiffening a subfloor that is level with standard 3/4″ hardwood flooring for application over the substrate damaged by way. Will reduce that change moisture barrier to prevent damage to floor covering installed over a particularly floor..., 24 ” O.C you did not ask that question your heading shortcut key to out... Schluter Systems 19.2 inch on-center joist spacing with double layer OSB or plywood subfloors installed over vinyl up! Up more height: 99 # 3 make about an 8 inch band of thin-set centered over DITRA vehicles! Barrier to prevent damage to flooring for total peace of mind I suggest! The movement that is the key to navigate to the carpet and any! 3/4″ plywood and 16″ OC floor joists to rip it all out or try patching the... It because the look of our tile did a good job of uncoupling the subfloor you! Wide KERDI-BAND over the substrate and fastened with screws when possible for more on buying ditra over particle board installing pricing... Structural strength but takes up more height big is the best possible application would be very tile on garage. Result in damage to flooring without the presence of a flexible, motion-absorbing material stand up than...