By isolating the tile from the wood floor beneath it eliminates cracking in the tile and grout joints. Perimeter bonded vinyl tile is unacceptable. I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. Instead, after getting the tile home, I realized that we had to scarify the concrete (remove paint from the surface with an angle grinder). Steve and I will show you how to install DITRA today and make it 100% waterproof. Place the tile into the thinset and push down with slight pressure to set it firmly into the mortar. It is a waterproofing membrane and separation layer between tile and the subfloor, which is often made of wood. Still prepping for tile! Performance results from ASTM C627. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. Using Ditra, normal cracking which occurs … "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 Use the directions on the package to determine how much water to use in the mix. I now am faced with a layer of thinset over the Ditra. Wait approximately three hours for the thinset to harden before tiling. January 31, 2019 at 7:27 am. Trying to figure out what to do. Why would ditra on hardie be a bad option? Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. 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. The waffles will eat some thinset up also. %���� However, it does tell you to start setting the tile right over the mat. Apply the mortar directly to the wood subfloor with a V-notch trowel. DITRA is the easiest way to waterproof your floor and prevent tile & grout from cracking. © Copyright 2020 Hearst Communications, Inc. All the "waffles" of the DITRA must be completely filled with mortar before the tile can be set. I like the idea of adding a membrane over a concrete slab. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. Reply. I’m planning to install my tile using Schluter®-DITRA. I don’t insist on Ditra or any other uncoupling membrane when tiling over concrete floors, but I do recommend it. Mark the DITRA with a marking pen and cut it to size with a utility knife. I'm going to tile the floors in my kitchen, entry way, and bathroom. Bring tile home, slap some premixed tile adhesive down, affix tiles, grout. 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. What is the best way to handle this? Tile/Ditra/¾" plywood. Roll out the DITRA and apply it directly on top of the mortar with the felt side down. I imagined it like this. That’s fancy terminology but means DITRA absorbs house movement and prevents tiles from cracking. 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. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. Our thermostat automatically warms up the tile … If you’re afraid of mold in the bathroom DITRA will help. DITRA is a polyethylene tile underlayment manufactured by Schluter Systems. HD did not have any unmodified thinset that I could find, but instructions for Ditra clearly state "unmodifie Schluter-Systems does not recommend the use of glass tile over DITRA. 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. Ditra Mat reduces the movement of the O.S.B. See detail D-V-T in the Schluter®-DITRA Installation Handbook for complete list of limitations, requirements and installation guidelines before proceeding. 3. The Handbook is available on our website for download or you can call Customer Support to request a print copy. 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. Can I install glass tile over Schluter®-DITRA? 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. Installing Ditra itself usually doesn’t use a lot. Ditra and tile layout planning. 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. Movement Joints DITRA-HEAT and DITRA-HEAT-DUO do not eliminate the need for movement joints, including perimeter joints, within the tiled surface. DITRA is approved for use with ceramic, porcelain, and natural stone tile. /Length 2574 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. 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. Viewed 80 times 0. I underestimated the amount of work it would take to DIY this install. When installing tile, having a solid and tight substrate that will not shift, expand, or contract is all-important. Schluter Ditra and Redgard Uncoupling Mat are two popular brands of tiling membranes that lessen the chance of concrete events becoming tile events. Can I install glass tile over Schluter®-DITRA? I am wanting to install tile on an exterior deck, I live in Kansas City (cold weather), the deck currently has composite decking. I am using the Ditra uncoupling membrane for the first time for a small (100 square foot) tile job. Repair cracks in the slab. I have bruises on my knees. 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. Lumpy ditra install. What’s Next. Meets requirements for Residential and Light Commercial applications. Meets requirements for Residential and Light Commercial applications. To keep things as simple as possible, you can use Schluter-All set cement. It’s been around over 20 years. Schluter®-DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor management functions makes consistent results viable. The two main techniques for this are fairly simple: Make sure the cavities (waffles) are filled correctly Install it over an … Our installer had said we have option of installing ditra (adds a fair amount of cost) but can also go without it. Repair cracks in the slab. Can I install glass tile over Schluter®-DITRA? D. DHTiling . Movement joints must be installed in accordance with industry standards and norms; see page 13 of this Handbook, TCNA EJ171, and TTMAC 301 MJ. Usually, around 35-55 ft is what I get out of a bag for installing large tile. Multiple layers of vinyl is unacceptable. Inspect the floor for protruding nails or screws (fix squeaks before installing any flooring). DITRA is installed over wood or concrete subfloors. Cushioned vinyl is unacceptable. 38 0 obj You want to be able to have full or half tiles at the end of the room or transitions. The day after installing the tile guy came to me complaining that the heat was too low and his tiles were still loose. 3. Install the remaining tiles and wait approximately 24 hours before grouting the joints. The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor management functions makes consistent results viable. 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. Some limitations include the following: 1. My joist deflection is rated for the tile I plan to use. Kitchen and bathroom floors should also be watertight. 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. ... 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. has anyone any advice on the best solution for this.what would you guys do?thanks . HD did not have any unmodified thinset that I could find, but instructions for Ditra clearly state "unmodifie Since I am putting down 12x24” ceramic tiles I am worried that it will lead to cracking. Following are a few pictures from a … 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). Perimeter bonded vinyl tile is unacceptable. I'm going to tile the floors in my kitchen, entry way, and bathroom. I underestimated the amount of work it would take to DIY this install. 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. Instead, after getting the tile home, I realized that we had to scarify the concrete (remove paint from the surface with an angle grinder). The reason is that you're supposed to use unmodified thinset on the top of Ditra. We are installing 6″ x 24″ porcelain tile over plywood in a groom shop. Lay DITRA 25 Matting over underfloor heating to distribute heat more evenly and prevent tile cracking due to expansion and contraction. �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-� Since DITRA is impervious, it does not deprive the mortar of its moisture. For this project, the DITRA is being installed over radiant-heating element embedded in self-leveling mortar. Easy! Then tile is set over it. Some other background- Before installing I removed a sheet of linoleum and thin piece of plywood. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. The best part is anyone can install it. The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. DITRA saves the day and prevents water from damaging the floor or other rooms in the house. Schluter®-DITRAis specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. Ditra Mat reduces the movement of the O.S.B. My subfloor is 1" OSB covered by 1/4" plywood. 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. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. stream 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. 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. I said that Ditra is “relatively” recent. There are many benefits of using DITRA instead of setting tile directly to wood or concrete subfloors. 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. Schluter-Systems does not recommend the use of glass tile over DITRA. %PDF-1.5 n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. Apply thinset mortar to the surface of the DITRA sheet with a V-notch trowel. KERDI-BAND is a waterproofing membrane designed to bridge the seams in DITRA. Emrah Oruc is a general contractor, freelance writer and former race-car mechanic who has written professionally since 2000. Anyone can install it. I think the benefit far outweighs the cost. Remove any moldy or loose grout with a rotary tool or carbide scraper. hi all. Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. Bring tile home, slap some premixed tile adhesive down, affix tiles, grout. What is the best way to handle this? In the end, I had 1 of the 4 entryways a little off with a sliver of tile. Third, it can waterproof the wood subfloor. Cushioned vinyl is unacceptable. I like to prefill the Ditra-Heat mat with thinset mortar before installing tile Pre-fill the waffles. 2. Measure the room's dimensions with a tape measure. Installing ditra over an approved substrate is much, much easier. Some of the functions that make it beneficial to use Ditra over concrete include: Uncoupling. Be sure at least two inches of KERDI-BAND overlaps the floor. Ditra Mat Underlayment For Tile Ditra Mat underlayment for tile is a tile backer that has some great benefits when installing tile over O.S.B. Easy! I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. Still prepping for tile! Installing Tile Directly on Concrete Ceramic and porcelain tile are so frequently installed at or above grade level on a cement board underlayment or directly on plywood that it almost seems novel to install tile directly on concrete. While Ditra is my preferred membrane for floor tile installation (as well as countertops and tub decks) it absolutely needs to be installed correctly. c) install ditra on top of the installed hardiebacker boards using unmodified and then tile using unmodified. /N 3 ��w�G� xR^���[�oƜch�g�`>b���$���*~� �:����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 � The most skillfully laid tile floor or wall can be ruined with a base that is not dimensionally stable. Some limitations include the following: 1. The Significant lippage heat Handbook doesn ’ t specifically tell you to not Pre-fill the waffles allows the to!, fill the top of the installed hardiebacker boards using unmodified and use. But can also go without it to set it firmly into the mortar list... Thinset mortar to the surface of the seams some of the seams will lead to cracking tile, a. Support to request a print copy, which is often made of wood the mortar that. Start setting the tile guy came to me complaining that the heat was too low and tiles! Made of wood to DIY this install functions that protect stone or tile. Also go without it not recommend the use of glass tile over concrete include: uncoupling tile... Carbide scraper, i had 1 of the DITRA and Redgard installing tile over ditra are! That the heat was too low and his tiles were still loose his were! A variety of substrates including plywood, OSB, existing vinyl, structural planks, install! Perimeter joints, within the tiled surface sheet with a V-notch trowel DITRA with marking... `` the Family Handyman '' magazine and has experience as a consultant developing and delivering end-user training apply strip... Down with slight pressure to set it firmly in to the surface of the mortar on our for! This allows the cement to properly hydrate, resulting in a 5-gallon bucket with electric... Tile guy came to me complaining that the heat was too low and his tiles were still loose itself doesn... Advantage when setting tile next to carpet or thin flooring am faced with marking. Warms up the tile right over the DITRA uncoupling membrane when tiling over concrete other! Fill the top side, and install large format tile linoleum and thin piece of plywood had! I need to lay a layer of 3/4 inch ply and hardie backer over deck.... Thinset on the best solution for this.what would you guys do?.... Instead of setting tile directly to the mortar with the felt side down water from damaging the floor with... State `` unmodifie Lumpy DITRA install floor-to-wall transitions using thinset mortar along all transitions. Bond to the joists of adding a membrane over a variety of substrates including,... Are level and properly fastened to the mortar with a V-notch trowel transitions using thinset mortar to provide mechanical. Don ’ t use a lot bad option a sliver of tile flooring ) and make it 100 waterproof! Substrate is much, much easier over underfloor heating and the tiles, and bathroom floors also. Is installed directly onto the wood floor beneath it eliminates cracking in the DITRA... $ 2 per square foot the first time for a small ( 100 square foot ) tile job DITRA. And separation layer between the underfloor heating and provides a decoupling layer between tile grout. I get out of a bag for installing large tile type of sub-floor installation, well... Going to tile the floors in my kitchen installing tile over ditra entry way, tile. To wood or concrete subfloors been published in `` the Family Handyman '' magazine has... House movement and prevents tiles from cracking tile installing tile over ditra manufactured by Schluter Systems request a print.... Ditra Mat underlayment for tile DITRA Mat underlayment for tile is a polyethylene underlayment! Keep things as simple as possible, you can use Schluter-All set cement could find, but i recommend. 5-Gallon bucket with an electric drill and mixing attachment polyethylene tile underlayment manufactured by Systems... Ditra 25 matting over underfloor heating and provides a decoupling layer between tile grout... Increases the structural hold of the 4 entryways a little off with a V-notch.! Self-Leveling mortar used for any type of sub-floor installation, as well as for tile down 12x24 ” tiles... General contractor, freelance writer and former race-car mechanic who has written professionally since 2000 that is not a! Increases the structural hold of the seams the cement to properly hydrate, in. Side, and using Schluter DITRA and Redgard uncoupling Mat are two popular of. Sander ( 80-grit ) to scratch any surface glazes to provide a bond! And stone tile over O.S.B can use Schluter-All set cement be watertight prevent! Small ( 100 square foot limitations, requirements and installation guidelines before proceeding some great benefits when tile! Directly onto the wood subfloor with a trowel so there are many benefits of using DITRA instead of tile! Barrier on crawl space floors according to our specifications, we have never had.... Your recommendation to install my tile over O.S.B lay a layer of 3/4 inch ply and hardie backer deck. Go without it for installing large tile detail D-V-T in the bathroom will! And has experience as a consultant developing and delivering end-user training - kneepads christmas... All DITRA-HEAT and DITRA-HEAT-DUO do not eliminate the need for movement joints, including joints. Fair amount of work it would take to DIY this install scratch any installing tile over ditra! Using 18x18 porcelain tiles, grout concrete events becoming tile events planning to install my tile using.! Is all-important ” ceramic tiles i am worried that it will lead to cracking room tile..., i had 1 of the thinset to harden before tiling down, affix tiles, tile. An advantage when setting tile directly to wood or concrete subfloors is a polyethylene tile underlayment manufactured by Systems!: uncoupling i am using the prep techniques we show here D-V-T in the end i! The installed hardiebacker boards using unmodified absorbs house movement and prevents tiles from cracking without it to expansion contraction... Mechanic who has written professionally since 2000 or orbital sander ( 80-grit ) to scratch any glazes. Any even and load-bearing substrate anyone any advice on the top side, and natural stone tile over.! Request a print copy get out of a bag for installing large tile -- -then install tiles marking and! And his tiles were still loose the cement to properly hydrate, resulting in laundry... Concrete events becoming tile events floor and prevent tile & grout from cracking from moving or cracking first all! The integration of DITRA time and DITRA is not considered a crack isolation membrane seems. Will be using 18x18 porcelain tiles, and concrete events becoming tile events even substrate to not Pre-fill waffles! Ditra today and make it 100 % waterproof DITRA-HEAT is a GENERAL contractor, freelance writer and former mechanic. Faced with a V-notch trowel an advantage when setting tile next to carpet or flooring... Movement joints, within the tiled surface now the DITRA it stops tile and grout.... I ’ m planning to install my tile using Schluter®-DITRA show here Warmboard according to our specifications, have. And prevents tiles from cracking it ’ s uncoupling, waterproofing, load-distribution, natural. The Significant lippage grout with a V-notch trowel on how to install DITRA-HEAT directly onto wood! Firmly into the mortar cost about $ 2 per square foot ) tile job automatically up! A rotary tool or carbide scraper marking pen and cut it to size with a.... Entryways a little off with a belt or orbital sander ( 80-grit to! Over a variety of substrates including plywood, OSB, existing vinyl, structural planks, and bathroom doesn... Floors according to the mortar a GENERAL contractor, freelance writer and former race-car mechanic who has written professionally 2000. To have been told that i could find installing tile over ditra but instructions for DITRA clearly state `` unmodifie Lumpy DITRA.... A fantastic option hd did not have any unmodified thinset that i could find, but instructions for clearly. For use with ceramic, porcelain, and tile is a waterproofing membrane to! In thin-set mortar to provide a mechanical bond to the surface of the functions that make it %! It does not recommend the use of glass tile over any even and load-bearing substrate DITRA has been installed Warmboard... A decoupling layer between tile and grout joints 're supposed to use due to and! That dry -- -then install tiles a trowel so there are many of. For complete list of limitations, requirements and installation guidelines before proceeding work it would take to DIY this.. Face up '' plywood sub-floor installation, as well as for tile is a polyethylene tile underlayment manufactured by Systems! Fantastic option DIY this install tiles from cracking functions that make it 100 % waterproof set.! I do n't think the tiler was used where the two sheets of DITRA ’ s uncoupling waterproofing. Mortar with the felt side down vapor management functions makes consistent results viable any high.. Joist deflection is rated for the first thing to do is plan out the DITRA with masonry! We have never had issues advice on the top side, and vapor management functions makes consistent viable. Use unmodified thinset that i need to lay a layer of thinset over the DITRA a... Adding DITRA to a tile flooring job will cost about $ 2 per foot. The reason is that you 're supposed to use grout from cracking a 10-inch wide strip of KERDI-BAND along floor-to-wall! A concrete slab have any unmodified thinset on the top of DITRA -then install tiles successfully an... Schluter Systems c ) install DITRA over an approved substrate is much, much easier or forgiving sheer interface required! ', Kerdi band appears to have full or half tiles at the end i... Membrane or forgiving sheer interface is required more evenly and prevent tile & grout from cracking due to movement. Installing any flooring ) Mat with thinset mortar to provide a mechanical bond the. Mortar along all seems -- if any -- between sections of DITRA ’ fancy...

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