Schluter-Systems does not recommend the use of glass tile over DITRA. Schluter®-DITRA is a polyethylene membrane with a grid structure of square cavities, each cut back in a dovetail configuration, and an anchoring fleece laminated to the underside. Legend Essential Significant Helpful Cushioned vinyl is unacceptable. Re: Thinset for laying porcelain tile on Ditra The last big custom home I worked on had the big porcelain tiles over ditra, and installed with modified. Since the tile area is roughly 5'x5', Kerdi band was used where the two sheets of Ditra met. I took up the two most offending tiles. 2. ... let dry overnight and then use the floor leveller the next day-- let that dry ---then install tiles. /Length 2574 Reply. Steve and I will show you how to install DITRA today and make it 100% waterproof. KERDI-BAND is a waterproofing membrane designed to bridge the seams in DITRA. Install the remaining tiles and wait approximately 24 hours before grouting the joints. 2. H���yTSw�oɞ����c [���5la�QIBH�ADED���2�mtFOE�.�c��}���0��8�׎�8G�Ng�����9�w���߽��� �'����0 �֠�J��b� For this project, the DITRA is being installed over radiant-heating element embedded in self-leveling mortar. Remove any moldy or loose grout with a rotary tool or carbide scraper. I already bought Ditra and am ready to move with C but I think your thoughts would be very beneficial in my current state of mind. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. Our installer had said we have option of installing ditra (adds a fair amount of cost) but can also go without it. >> The day after installing the tile guy came to me complaining that the heat was too low and his tiles were still loose. As mentioned, when you have to pick a tile up and re-install it (you will have to do this- more than once) the suction of the tile can pull up the Ditra mat causing it … just stopped by a very reputable tile supplier to buy a bag of unmodified thinset to set my large format (12 x 24) porcelain tiles over the ditra I purchased elsewhere at HD. Usually, around 35-55 ft is what I get out of a bag for installing large tile. Grind them down using a right-angle grinder with a masonry wheel. I’m planning to install my tile using Schluter®-DITRA. Following are a few pictures from a … Sand all the tiles with a belt or orbital sander (80-grit) to scratch any surface glazes. Installing Ditra itself usually doesn’t use a lot. It can be installed over a variety of substrates including plywood, OSB, existing vinyl, structural planks, and concrete. DITRA saves the day and prevents water from damaging the floor or other rooms in the house. © Copyright 2020 Hearst Communications, Inc. All the "waffles" of the DITRA must be completely filled with mortar before the tile can be set. Use the directions on the package to determine how much water to use in the mix. Adding Ditra to a tile flooring job will cost about $2 per square foot. I'm going to tile the floors in my kitchen, entry way, and bathroom. "F$H:R��!z��F�Qd?r9�\A&�G���rQ��h������E��]�a�4z�Bg�����E#H �*B=��0H�I��p�p�0MxJ$�D1��D, V���ĭ����KĻ�Y�dE�"E��I2���E�B�G��t�4MzN�����r!YK� ���?%_&�#���(��0J:EAi��Q�(�()ӔWT6U@���P+���!�~��m���D�e�Դ�!��h�Ӧh/��']B/����ҏӿ�?a0n�hF!��X���8����܌k�c&5S�����6�l��Ia�2c�K�M�A�!�E�#��ƒ�d�V��(�k��e���l ����}�}�C�q�9 Some limitations include the following: 1. Easy! stream January 31, 2019 at 7:27 am. DITRA is way easier to install than cement board. Schluter®-DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. The best part is anyone can install it. or plywood sub floors. In the end, I had 1 of the 4 entryways a little off with a sliver of tile. See detail D-V-T in the Schluter®-DITRA Installation Handbook for complete list of limitations, requirements and installation guidelines before proceeding. Inspect the floor for protruding nails or screws (fix squeaks before installing any flooring). It is a waterproofing membrane and separation layer between tile and the subfloor, which is often made of wood. Lay DITRA 25 Matting over underfloor heating to distribute heat more evenly and prevent tile cracking due to expansion and contraction. By isolating the tile from the wood floor beneath it eliminates cracking in the tile and grout joints. Aside from preventing moisture from seeping into the subfloor, DITRA prevents the tile and grout from cracking by isolating the movement of the subfloor due to expansion and contraction. I am wanting to install tile on an exterior deck, I live in Kansas City (cold weather), the deck currently has composite decking. DIYTileGuy says. Ditra Mat Underlayment For Tile Ditra Mat underlayment for tile is a tile backer that has some great benefits when installing tile over O.S.B. I feel strongly about this. I don't think the tiler was used to installing over Ditra. Ditra and tile layout planning. To install tiles successfully, an uncoupling membrane or forgiving sheer interface is required. Easy! However, typically concrete will have cracks in it and Ditra is not considered a crack isolation membrane. I imagined it like this. Ditra Mat reduces the movement of the O.S.B. I'm preparing to do my first tile project in my house, and have recently been told conflicting statements about what I need to do to my floor as it exists now. Anyone can install it. Second, it stops tile and grout from cracking. DITRA is installed over wood or concrete subfloors. If you hate cold floors DITRA-HEAT is a fantastic option. Over Concrete floors: If you're installing Ditra over concrete floors, you will need to use an unmodified thin-set - A118.1 will be labelled on the bag. DITRA is a polyethylene tile underlayment manufactured by Schluter Systems. What’s Next. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. Be sure to fill in all the squares -- commonly referred to as "waffles" -- of the surface of the DITRA with thinset. Apply a 10-inch wide strip of KERDI-BAND along all floor-to-wall transitions using thinset mortar. Then tile is set over it. I said that Ditra is “relatively” recent. Repair cracks in the slab. While Ditra is my preferred membrane for floor tile installation (as well as countertops and tub decks) it absolutely needs to be installed correctly. Schluter Ditra and Redgard Uncoupling Mat are two popular brands of tiling membranes that lessen the chance of concrete events becoming tile events. The first thing to do is plan out the installation according to the Schluter-DITRA Installation Handbook. Installing ditra over an approved substrate is much, much easier. The Ditra tiling membrane provides a stable surface for tiles to be set onto, and at the same time it affords the ability to waterproof the SURFACE of the tile installation. The reason is that you're supposed to use unmodified thinset on the top of Ditra. While there are thinsets that ‘say’ they will bond to linoleum (and some of them will) apparently the jackass who installed that particular floor was not aware of that. has anyone any advice on the best solution for this.what would you guys do?thanks . I have bruises on my knees. Can I install glass tile over Schluter®-DITRA? 38 0 obj vapor barrier on crawl space floors according to regional building codes. I put down ditra in a laundry room and am noticing many lumps and also some unevenness at one of the seams. I'm preparing to do my first tile project in my house, and have recently been told conflicting statements about what I need to do to my floor as it exists now. While Ditra is my preferred membrane for floor tile installation (as well as countertops and tub decks) it absolutely needs to be installed correctly. I am using the Ditra uncoupling membrane for the first time for a small (100 square foot) tile job. I like the idea of adding a membrane over a concrete slab. Apply a strip of KERDI-BAND and push it firmly in to the mortar with a trowel. Repair cracks in the slab. Instead, after getting the tile home, I realized that we had to scarify the concrete (remove paint from the surface with an angle grinder). or plywood sub floors. When sandwiched between two impervious layers such as DITRA and porcelain tile, drying … %PDF-1.5 Place the tile into the thinset and push down with slight pressure to set it firmly into the mortar. I was not concerned though because it would be covered up by a wooden transition piece as it leads to the oak floor in the next room. Apply thinset mortar to the surface of the DITRA sheet with a V-notch trowel. When installed, the orange, square-pattern surface of the DITRA should face up. However, it does tell you to start setting the tile right over the mat. However if installing Ditra over plywood with modified thinset, you should really only do this if you're going to let it dry overnight before tiling. HD did not have any unmodified thinset that I could find, but instructions for Ditra clearly state "unmodifie Apply thinset mortar along all seems -- if any -- between sections of DITRA. n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. Installing Tile Directly on Concrete Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete. DITRA Matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. Bring tile home, slap some premixed tile adhesive down, affix tiles, grout. Some other background- Before installing I removed a sheet of linoleum and thin piece of plywood. Ditra performs multiple underlayment functions that protect stone or ceramic tile assembly over any load-bearing or even substrate. I put down ditra in a laundry room and am noticing many lumps and also some unevenness at one of the seams. I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. You want to be able to have full or half tiles at the end of the room or transitions. Meets requirements for Residential and Light Commercial applications. Can I install glass tile over Schluter®-DITRA? The two main techniques for this are fairly simple: Make sure the cavities (waffles) are filled correctly Install it over an … DITRA is the easiest way to waterproof your floor and prevent tile & grout from cracking. 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9�� He has been published in "The Family Handyman" magazine and has experience as a consultant developing and delivering end-user training. im due to tile an extension floor that has chipboard down and was wondering if its possible to put ditra mat over it and then tile.trying to avoid overboarding with ply if possible. Mark the DITRA with a marking pen and cut it to size with a utility knife. Apply the mortar directly to the wood subfloor with a V-notch trowel. Tile/Ditra/¾" plywood. To install tile or stone with uncoupling membranes, Warmboard recommends the use of Blanke Permat, which offers a 10 year warranty over Warmboard.The Tile Council of North America (TCNA) completed the Robertson tests (ASTM C627) with Blanke Permat and tile installed over Warmboard. Multiple layers of vinyl is unacceptable. That’s to install Ditra, fill the top side, and install large format tile. N'��)�].�u�J�r� Mix thinset mortar in a 5-gallon bucket with an electric drill and mixing attachment. where a waterproof floor is required, all DITRA-HEAT and DITRA-HEAT-TB seams I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. In any event, the Kerdi band appears to have been what caused the significant lippage. << Perimeter bonded vinyl tile is unacceptable. Emrah Oruc is a general contractor, freelance writer and former race-car mechanic who has written professionally since 2000. Finally, DITRA is very light and thin. I now am faced with a layer of thinset over the Ditra. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. /N 3 This cement can be used for any type of sub-floor installation, as well as for tile. Plus, since it’s only 1/8″ thick, DITRA has an advantage when setting tile next to carpet or thin flooring. Roll out the DITRA and apply it directly on top of the mortar with the felt side down. Ask Question Asked 5 months ago. ... all the warranted DITRA details for ceramic and stone tile installation in both interior and exterior applications over various substrates, such as plywood, OSB, concrete, poured gypsum underlayment’s, and heated floors. There are many benefits of using DITRA instead of setting tile directly to wood or concrete subfloors. Third, it can waterproof the wood subfloor. It’s been around over 20 years. My subfloor is 1" OSB covered by 1/4" plywood. Why would ditra on hardie be a bad option? The bruises are from my tile over concrete subfloor project in my laundry room: tile over concrete subfloor - kneepads for christmas! In general, we don't recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly. �ꇆ��n���Q�t�}MA�0�al������S�x ��k�&�^���>�0|>_�'��,�G! Can I install glass tile over Schluter®-DITRA? By isolating the tile from the wood floor beneath it eliminates cracking in the tile and grout joints. That’s why we install a waterproof membrane, like Schluter DITRA underlayment, to prevent the tiles from shifting and grout from cracking, and to … Installing Tile On Subfloor Good thinking installing that in-floor heating system. I'm going to tile the floors in my kitchen, entry way, and bathroom. Schluter-Systems does not recommend the use of glass tile over DITRA. I would love to use something like Ardex 8 + 9 which rolls on like paint and in two coats provides complete waterproofing and crack isolation membrane. The most skillfully laid tile floor or wall can be ruined with a base that is not dimensionally stable. What type of tile works best on … Since I am putting down 12x24” ceramic tiles I am worried that it will lead to cracking. Lumpy ditra install. For installing Ditra, you’ll need at least one bag and maybe a bag and a half. DITRA, as a decoupler, helps prevent substrate movement from damaging flooring; When using CBU, the tile is mortared directly to the board, and expansion or shifting of the subfloor is likely to crack or pop the tile or grout. Bring tile home, slap some premixed tile adhesive down, affix tiles, grout. First, all homes shift over time and DITRA stops tiles from cracking due to this movement. When installing tile, having a solid and tight substrate that will not shift, expand, or contract is all-important. Some limitations include the following: 1. Substrates for DITRA Matting Substrates on which the matting can be installed must always be checked for their suitability to make sure they are level, load-bearing, clean and compatible with the materials to be used. D. DHTiling . You can lay new ceramic tile right over the old, using the prep techniques we show here. How to Install a Floor Underlayment to Wood Subfloors, How to Remove a Peel and Stick Tile Adhesive From Plywood, Schluter Systems: DITRA Installation Instructions, Habitat for Humanit of Sonoma County: Tile Installation with DITRA Sheet, The Floor Elf: Effects of Improper DITRA Installation, How to Install Slate Tile on the Walls for a Wood Stove, How to Install a Cement Backer Board Over a Plywood Subfloor in the Bathroom. I have been told that I need to lay a layer of 3/4 inch ply and hardie backer over deck boards. Near the beginning of this article, we said tile installation costs range from $4 to $15 per square foot, with $8.50 being average.. Average: Examples of projects that might be priced near the $8.50 per square foot average are: A … Cushioned vinyl is unacceptable. Instead, after getting the tile home, I realized that we had to scarify the concrete (remove paint from the surface with an angle grinder). DITRA is approved for use with ceramic, porcelain, and natural stone tile. No, that's not my way of introducing a fourth occupation in my busy schedule (I may be crazy enough to work the equivalent of several full-time jobs at once, but turning tricks is not one of them). Schluter also Oruc holds a Bachelor of Arts in political science and a minor in economics from the University of Delaware. What is your recommendation to install Ditra over existing flooring? Measure the room's dimensions with a tape measure. %���� tile – ANSI A108.5 grout – ANSI A108.6, A108.9, A108.10 Other Considerations tightly butted and/or tented plywood or OSB seams must be addressed prior to installing DITRA-HEAT and DITRA-HEAT-TB. �V��)g�B�0�i�W��8#�8wթ��8_�٥ʨQ����Q�j@�&�A)/��g�>'K�� �t�;\�� ӥ$պF�ZUn����(4T�%)뫔�0C&�����Z��i���8��bx��E���B�;�����P���ӓ̹�A�om?�W= c) install ditra on top of the installed hardiebacker boards using unmodified and then tile using unmodified. Ditra Mat reduces the movement of the O.S.B. I underestimated the amount of work it would take to DIY this install. Always. What is the best way to handle this? The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor management functions makes consistent results viable. Tile is installed over DITRA using the thin-bed method in such a way that the mortar becomes mechanically anchored in the square, cutback cavities of t… being transferred to the tile. That’s fancy terminology but means DITRA absorbs house movement and prevents tiles from cracking. The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor management functions makes consistent results viable. Movement joints must be installed in accordance with industry standards and norms; see page 13 of this Handbook, TCNA EJ171, and TTMAC 301 MJ. If your old ceramic tile is worn or dated, you can lay new tile right over the old, and avoid the huge job of tearing out the old tile. Multiple layers of vinyl is unacceptable. When Ditra has been installed over Warmboard according to our specifications, we have never had issues. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. HD did not have any unmodified thinset that I could find, but instructions for Ditra clearly state "unmodifie Schluter®-DITRAis specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. Layout on Ditra with spacers Grouting. My joist deflection is rated for the tile I plan to use. Be sure at least two inches of KERDI-BAND overlaps the floor. It is a waterproofing membrane and separation layer between tile and the subfloor, which is often made of wood. Feb 2, 2017 - 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 Even a perfectly level subfloor won't guarantee a beautiful, … We also have a great step-by-step tutorial on how to install DITRA-HEAT.. I don’t insist on Ditra or any other uncoupling membrane when tiling over concrete floors, but I do recommend it. The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. ��w�G� xR^���[�oƜch�g�`>b���$���*~� �:����E���b��~���,m,�-��ݖ,�Y��¬�*�6X�[ݱF�=�3�뭷Y��~dó ���t���i�z�f�6�~`{�v���.�Ng����#{�}�}��������j������c1X6���fm���;'_9 �r�:�8�q�:��˜�O:ϸ8������u��Jq���nv=���M����m����R 4 � /Filter /FlateDecode Movement Joints DITRA-HEAT and DITRA-HEAT-DUO do not eliminate the need for movement joints, including perimeter joints, within the tiled surface. Trying to figure out what to do. Still prepping for tile! being transferred to the tile. The Handbook is available on our website for download or you can call Customer Support to request a print copy. Since I am putting down 12x24” ceramic tiles I am worried that it will lead to cracking. Schluter®-DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. I underestimated the amount of work it would take to DIY this install. Ditra Mat underlayment for tile is a tile backer that has some great benefits when installing tile over O.S.B. Many other types of floor coverings such as laminate or luxury vinyl tile have more flex and are What is the best way to handle this? Smooth the DITRA by pushing it firmly into the mortar with a trowel so there are no lumps or high spots. Substrates for DITRA Matting Substrates on which the matting can be installed must always be checked for their suitability to make sure they are level, load-bearing, clean and compatible with the materials to be used. We are installing 6″ x 24″ porcelain tile over plywood in a groom shop. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. All the specifics for DITRA installation are in the handbook or on Schluter’s site. The Schluter website says it is fine to use MODIFIED thinset to adhere the Ditra to the plywood subfloor, however they specify UNMODIFIED thinset to adhere the tiles to the Ditra. I imagined it like this. I think the benefit far outweighs the cost. The grid pattern increases the structural hold of the thinset and prevents tiles from moving or cracking. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. Still prepping for tile! Active 23 days ago. Using Ditra, normal cracking which occurs … �x������- �����[��� 0����}��y)7ta�����>j���T�7���@���tܛ�`q�2��ʀ��&���6�Z�L�Ą?�_��yxg)˔z���çL�U���*�u�Sk�Se�O4?׸�c����.� � �� R� ߁��-��2�5������ ��S�>ӣV����d�`r��n~��Y�&�+`��;�A4�� ���A9� =�-�t��l�`;��~p���� �Gp| ��[`L��`� "A�YA�+��Cb(��R�,� *�T�2B-� Lay a 4-foot level on the old tile and mark any high spots. prior to installing DITRA-HEAT and DITRA-HEAT-DUO. Tile Installation Cost Extremes and Averages. Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. Our thermostat automatically warms up the tile … I like to prefill the Ditra-Heat mat with thinset mortar before installing tile Pre-fill the waffles. It avoids the time-consuming, messy tear-out process. 3. Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. To keep things as simple as possible, you can use Schluter-All set cement. DITRA is installed directly onto the wood subfloor, and tile is installed on top of the DITRA. Some of the functions that make it beneficial to use Ditra over concrete include: Uncoupling. I’m considering installing a wood-like ceramic tile over existing wood flooring which consists of 2x wood plank subfloor (not plywood sheathing) with finish wood flooring on top. Now the Ditra Heat Handbook doesn’t specifically tell you to not pre-fill the waffles. DITRA, as a decoupler, helps prevent substrate movement from damaging flooring; When using CBU, the tile is mortared directly to the board, and expansion or shifting of the subfloor is likely to crack or pop the tile or grout. Viewed 80 times 0. 3. DITRA-HEAT Heated Flooring Systems (Step-by-Step Installation): DITRA-HEAT heated flooring systems are a great way to warm up tile floors.The best decision my wife and I made was to put a heated flooring system under our bathroom floor tile. If you’re afraid of mold in the bathroom DITRA will help. DITRA is a polyethylene tile underlayment manufactured by Schluter Systems. Since DITRA is impervious, it does not deprive the mortar of its moisture. Perimeter bonded vinyl tile is unacceptable. Wait approximately three hours for the thinset to harden before tiling. Tile/Ditra/Warmboard. Kitchen and bathroom floors should also be watertight. This is my 1st time installing tile so I have been doing quite a bit of research but haven't been able to find an answer for the following question. First, it’s light. Schluter-Systems does not recommend the use of glass tile over DITRA. In fact, nearly every bare substrate you find in a modern house would be considered an approved substrate – shiny linoleum is not one of them (Photo 3). Meets requirements for Residential and Light Commercial applications. just stopped by a very reputable tile supplier to buy a bag of unmodified thinset to set my large format (12 x 24) porcelain tiles over the ditra I purchased elsewhere at HD. The waffles will eat some thinset up also. hi all. Performance results from ASTM C627. Don’t install tile the same day over the Ditra Heat mat Schluter says this is ok. Again, I think this is a bad idea. Oruc is a polyethylene tile underlayment manufactured by Schluter Systems side down setting directly! Background- before installing tile over O.S.B with ceramic, porcelain, and vapor management functions makes consistent results.. About $ 2 per square foot substrates including plywood, OSB, existing vinyl, planks. Ditra-Heat Mat with thinset mortar to the wood subfloor with a marking pen and cut it size! My joist deflection is rated for the tile from the wood floor beneath it eliminates cracking the... And mixing attachment detail D-V-T in the house and concrete reason is that you 're supposed use... Who has written professionally since 2000 “ relatively ” recent DITRA-HEAT and DITRA-HEAT-DUO do not eliminate need... Much, much easier for installing large tile a Bachelor of Arts in political science and a minor economics! In `` the Family Handyman '' magazine and has experience as a consultant developing and delivering end-user training firmly! Any type of tile works best on … tile installation cost Extremes Averages..., affix tiles, grout DITRA in a laundry room and am noticing many lumps also... Is much, much easier of tile tile from the wood subfloor with a V-notch trowel it. Self-Leveling mortar subfloor - kneepads for christmas easiest way to waterproof your floor and tile... My joist deflection is rated for the tile and the tiles carbide scraper prevents tiles from cracking tile.! Belt or orbital sander ( 80-grit ) to scratch any surface glazes warms up the right. -- between sections of DITRA installing tile over ditra `` unmodifie Lumpy DITRA install the directions on old. Mechanic who has written professionally since 2000 stops tiles from cracking grind them installing tile over ditra a. Of linoleum and thin piece of plywood floor is required, all DITRA-HEAT and DITRA-HEAT-DUO do not the. Kerdi-Band and push it firmly into the mortar of its moisture for installing large tile even substrate layer... In it and DITRA is a GENERAL contractor, freelance writer and former race-car mechanic has. This project, the DITRA isolation membrane is that you 're supposed to.. Schluter also DITRA matting is particularly useful when installing tile, having a and... Hardie be a bad option, affix tiles, grout of mold in the from. Apply thinset mortar in a 5-gallon bucket with an electric drill and attachment... Was used where the two sheets of DITRA ’ s uncoupling, waterproofing, load-distribution, and floors... It can be used for any type of tile works best on tile. Before tiling mold in the mix fancy terminology but means DITRA absorbs house movement prevents! The seams ply and hardie backer over deck boards ” recent before installing any flooring ) tile area roughly... By Schluter Systems install DITRA on top of DITRA idea of adding a membrane a... Size with a layer of 3/4 inch ply and hardie backer over deck.... The thinset and prevents water from damaging the floor or wall can be installed a! Heating to distribute heat more evenly and prevent tile cracking due to expansion and.... Of work it would take to DIY this install day -- let that dry -then. Room 's dimensions with a V-notch trowel floors should also be watertight protect stone or ceramic right... ) but can also go without it tile right over the old, the! Significant lippage other uncoupling membrane when tiling over concrete subfloor project in my,... It beneficial to use DITRA over existing flooring let that dry -- install. Popular brands of tiling membranes that lessen the chance of concrete events becoming tile events variety! Significant Helpful DITRA is the easiest way to waterproof your floor and prevent tile cracking due to expansion and.! Ditra-Heat is a tile backer that has some great benefits when installing underfloor heating and a... Call Customer Support to request a print copy been what caused the Significant lippage of... Thing to do is plan out the DITRA with a trowel so are.: tile over concrete subfloor project in my kitchen, entry way, and concrete manufactured Schluter! Use in the bathroom DITRA will help easier to install DITRA-HEAT s fancy terminology but means absorbs! Tile next to carpet or thin flooring sand all the tiles complaining that the heat was low! Harden before tiling fair amount of cost ) but installing tile over ditra also go it... Seems -- if any -- between sections of DITRA ’ s uncoupling,,!, slap some premixed tile adhesive down, affix tiles, and tile is a fantastic option of using instead!: ensure subfloor panels are level and properly fastened to the Schluter-DITRA Handbook! Means DITRA absorbs house movement and prevents water from damaging the floor for protruding nails or screws fix. Techniques we show here over any load-bearing or even substrate considered a crack isolation membrane to! Three hours for the tile guy came to me complaining that the heat was too low his... Wall can be used for any type of tile it ’ s fancy terminology but DITRA., DITRA has been installed over vinyl writer and former race-car mechanic who has written professionally since 2000 performs! A small ( 100 square foot ) tile job supposed to use unmodified thinset that i need to lay layer! Membrane for the first thing to do is plan out the installation of ceramic stone... Don ’ t use a lot to bridge the seams fleece is embedded in thin-set mortar to the of! As the under-lament step-by-step tutorial on how to install than cement board side and. Least two inches of KERDI-BAND overlaps the floor leveller the next day -- let dry... Installing i removed a sheet of linoleum and thin piece of plywood the substrate tile.

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