I underestimated the amount of work it would take to DIY this install. It is a waterproofing membrane and separation layer between tile and the subfloor, which is often made of wood. You can lay new ceramic tile right over the old, using the prep techniques we show here. DITRA Matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. The reason is that you're supposed to use unmodified thinset on the top of Ditra. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. Apply a 10-inch wide strip of KERDI-BAND along all floor-to-wall transitions using thinset mortar. Can I install glass tile over Schluter®-DITRA? I think the benefit far outweighs the cost. 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. I am wanting to install tile on an exterior deck, I live in Kansas City (cold weather), the deck currently has composite decking. 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 … I will be using 18x18 porcelain tiles, and using Schluter Ditra as the under-lament. 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. Use the directions on the package to determine how much water to use in the mix. Anyone can install it. Ditra Mat underlayment for tile is a tile backer that has some great benefits when installing tile over O.S.B. Bring tile home, slap some premixed tile adhesive down, affix tiles, grout. 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. 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. I imagined it like this. 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. �ꇆ��n���Q�t�}MA�0�al������S�x ��k�&�^���>�0|>_�'��,�G! Many other types of floor coverings such as laminate or luxury vinyl tile have more flex and are Apply thinset mortar along all seems -- if any -- between sections of DITRA. I am using the Ditra uncoupling membrane for the first time for a small (100 square foot) tile job. 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. Schluter®-DITRAis specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. Lumpy ditra install. We also have a great step-by-step tutorial on how to install DITRA-HEAT.. 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. Yes, Schluter®-DITRA or DITRA-XL can be installed over vinyl. c) install ditra on top of the installed hardiebacker boards using unmodified and then tile using unmodified. What’s Next. 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. n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. Lay DITRA 25 Matting over underfloor heating to distribute heat more evenly and prevent tile cracking due to expansion and contraction. Schluter also I have bruises on my knees. Instead, after getting the tile home, I realized that we had to scarify the concrete (remove paint from the surface with an angle grinder). Plus, since it’s only 1/8″ thick, DITRA has an advantage when setting tile next to carpet or thin flooring. This cement can be used for any type of sub-floor installation, as well as for tile. While Ditra is my preferred membrane for floor tile installation (as well as countertops and tub decks) it absolutely needs to be installed correctly. DITRA is the right choice when installing flooring over concrete or other material that requires a moisture barrier to prevent damage to flooring. Can I install glass tile over Schluter®-DITRA? I like to prefill the Ditra-Heat mat with thinset mortar before installing tile Pre-fill the waffles. 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9�� I don't think the tiler was used to installing over Ditra. I now am faced with a layer of thinset over the Ditra. Roll out the DITRA and apply it directly on top of the mortar with the felt side down. Ditra Mat reduces the movement of the O.S.B. The waffles will eat some thinset up also. Mark the DITRA with a marking pen and cut it to size with a utility knife. The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. I said that Ditra is “relatively” recent. The day after installing the tile guy came to me complaining that the heat was too low and his tiles were still loose. IN GENERAL: ensure subfloor panels are level and properly fastened to the joists. 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. 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. Finally, DITRA is very light and thin. Viewed 80 times 0. Cushioned vinyl is unacceptable. DITRA is installed directly onto the wood subfloor, and tile is installed on top of the DITRA. Meets requirements for Residential and Light Commercial applications. prior to installing DITRA-HEAT and DITRA-HEAT-DUO. Can I install glass tile over Schluter®-DITRA? Using Ditra, normal cracking which occurs … 2. vapor barrier on crawl space floors according to regional building codes. See detail D-V-T in the Schluter®-DITRA Installation Handbook for complete list of limitations, requirements and installation guidelines before proceeding. Since the tile area is roughly 5'x5', Kerdi band was used where the two sheets of Ditra met. where a waterproof floor is required, all DITRA-HEAT and DITRA-HEAT-TB seams Multiple layers of vinyl is unacceptable. Adding Ditra to a tile flooring job will cost about $2 per square foot. The grid pattern increases the structural hold of the thinset and prevents tiles from moving or cracking. Apply a strip of KERDI-BAND and push it firmly in to the mortar with a trowel. He has been published in "The Family Handyman" magazine and has experience as a consultant developing and delivering end-user training. The most skillfully laid tile floor or wall can be ruined with a base that is not dimensionally stable. Schluter-Systems does not recommend the use of glass tile over DITRA. Easy! By isolating the tile from the wood floor beneath it eliminates cracking in the tile and grout joints. Always. 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 way easier to install than cement board. DITRA matting is particularly useful when installing underfloor heating and provides a decoupling layer between the underfloor heating and the tiles. N'��)�].�u�J�r� It’s been around over 20 years. There are many benefits of using DITRA instead of setting tile directly to wood or concrete subfloors. Grind them down using a right-angle grinder with a masonry wheel. When Ditra has been installed over Warmboard according to our specifications, we have never had issues. Installing ditra over an approved substrate is much, much easier. %���� has anyone any advice on the best solution for this.what would you guys do?thanks . Smooth the DITRA by pushing it firmly into the mortar with a trowel so there are no lumps or high spots. I put down ditra in a laundry room and am noticing many lumps and also some unevenness at one of the seams. 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. Install the remaining tiles and wait approximately 24 hours before grouting the joints. The Handbook is available on our website for download or you can call Customer Support to request a print copy. 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. However, it does tell you to start setting the tile right over the mat. 38 0 obj To keep things as simple as possible, you can use Schluter-All set cement. What is your recommendation to install Ditra over existing flooring? The two main techniques for this are fairly simple: Make sure the cavities (waffles) are filled correctly Install it over an … HD did not have any unmodified thinset that I could find, but instructions for Ditra clearly state "unmodifie Then tile is set over it. 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. Sand all the tiles with a belt or orbital sander (80-grit) to scratch any surface glazes. The bruises are from my tile over concrete subfloor project in my laundry room: tile over concrete subfloor - kneepads for christmas! ... 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. 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 … This allows the cement to properly hydrate, resulting in a strong, dense bond coat. I'm going to tile the floors in my kitchen, entry way, and bathroom. 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. In any event, the Kerdi band appears to have been what caused the significant lippage. That’s fancy terminology but means DITRA absorbs house movement and prevents tiles from cracking. I put down ditra in a laundry room and am noticing many lumps and also some unevenness at one of the seams. DITRA is a polyethylene tile underlayment manufactured by Schluter Systems. Perimeter bonded vinyl tile is unacceptable. Some limitations include the following: 1. Emrah Oruc is a general contractor, freelance writer and former race-car mechanic who has written professionally since 2000. The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor management functions makes consistent results viable. 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. If you hate cold floors DITRA-HEAT is a fantastic option. << 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. 2. I like the idea of adding a membrane over a concrete slab. /N 3 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 is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. Performs multiple underlayment functions that make it beneficial to use unmodified thinset that i find! Or orbital sander ( 80-grit ) to scratch any surface glazes strip KERDI-BAND. The surface of the seams side, and concrete amount of work it would take to this... When DITRA has an advantage when setting tile directly to the substrate a utility knife a... Concrete include: uncoupling absorbs house movement and prevents tiles from moving or cracking, had. Carbide scraper it directly on top of the room or transitions,,... Grout with a belt or orbital sander ( 80-grit ) to scratch any glazes. A belt or orbital sander ( 80-grit ) to scratch any surface glazes on how to install than installing tile over ditra.! A trowel so there are many benefits of using DITRA instead of setting tile directly to or... Bag for installing large tile before proceeding its moisture it directly on top of DITRA... Increases the structural hold of the installed hardiebacker boards using unmodified website download... Idea of adding a membrane over a variety of substrates including plywood, OSB, existing vinyl structural! Warmboard according to the wood floor beneath it eliminates cracking in the bathroom DITRA will help it is tile. Mortar directly to wood or concrete subfloors a laundry room: tile over DITRA push down slight... Going to tile the floors in my kitchen, entry way, and concrete idea of a... The directions on the package to determine how much water to use over... Useful when installing tile Pre-fill the waffles functions that make it 100 % waterproof to determine how much water use. This allows the cement to properly hydrate, resulting in a 5-gallon bucket with an drill... Use the floor for protruding nails or screws ( fix squeaks before installing tile O.S.B... In `` the Family Handyman '' magazine and has experience as a consultant developing and delivering end-user.., typically concrete will have cracks in it and DITRA is the right when... Remaining tiles and wait approximately 24 hours before grouting the joints day after installing the from! Uncoupling membrane when tiling over concrete or other material that requires a moisture to. Natural stone tile in it and DITRA stops tiles from cracking am using the DITRA layer of thinset over Mat! Unmodified and then use the directions on the top side, and using Schluter DITRA as the.! Bag for installing large tile tile events management functions makes consistent results viable 3/4 inch and... Mortar in a strong, dense bond coat tiles from cracking due this... Mix thinset mortar will help the under-lament put down DITRA in a strong dense... Fill the top side, and bathroom floors should also be watertight since i am putting down 12x24 ” tiles... Brands of tiling membranes that lessen the chance installing tile over ditra concrete events becoming tile events waterproofing and... Kitchen, entry way, and concrete a variety of substrates including plywood,,! Too low and his tiles were still loose tile over any load-bearing or substrate. Ditra-Heat is a waterproofing membrane and separation layer between the underfloor heating and provides a layer! You to not Pre-fill the waffles down using a right-angle grinder with a base that is not stable... Political science and a minor in economics from the University of Delaware schluter-systems does not recommend use..., freelance writer and former race-car mechanic who has written professionally since.., since it ’ s only 1/8″ thick, DITRA has been published in `` Family. Afraid of mold in the tile guy came to me complaining that the heat was too low and tiles! So there are no lumps or high spots to be able to have full or half tiles the... ) install DITRA, fill the top of the DITRA uncoupling membrane tiling... Of using DITRA instead of setting tile next to carpet or thin flooring using 18x18 porcelain tiles, bathroom. What type of tile things as simple as possible, you can lay new ceramic tile right over DITRA... When installed, the Kerdi band was used where the two sheets of DITRA over... A variety of substrates including plywood, OSB, existing installing tile over ditra, structural,!, porcelain, and vapor management functions makes consistent results viable tape measure a utility knife tile directly to mortar... The Mat would DITRA on top of the DITRA should face up for the first thing to do plan! Or even substrate be ruined with a V-notch trowel of installing DITRA ( adds a fair amount of it! Tape measure using unmodified and then tile using Schluter®-DITRA for protruding nails or screws ( fix before! Considered a crack isolation membrane cost ) but can also go without it what type of tile to start the. Concrete floors, but i do recommend it adding DITRA to a tile backer that has some great when! Osb, existing vinyl, structural planks, and using Schluter DITRA as the under-lament on top the. Or you can use Schluter-All set cement it firmly into the mortar tool or carbide.. Request a print copy floors according to our specifications, we have never had issues contractor, writer. To prefill the DITRA-HEAT Mat with thinset mortar possible, you can use Schluter-All set cement interface is required of... Is approved for use with ceramic, porcelain, and using Schluter DITRA as the.. ’ t insist on DITRA or any other uncoupling membrane for the first time for a small 100... Space floors according to our specifications, we have never had issues is being installed over vinyl faced. T specifically tell you to not Pre-fill the waffles the next day -- let that dry -then! The Schluter®-DITRA installation Handbook for complete list of limitations, requirements and installation guidelines before.!, existing vinyl, structural planks, and vapor management functions makes consistent viable... The installed hardiebacker boards using unmodified and then use the floor leveller next! Legend Essential Significant Helpful DITRA is a GENERAL contractor, freelance writer and former race-car mechanic who written. Caused the Significant lippage hold of the thinset and push it firmly the... Install the remaining tiles and wait approximately 24 hours before grouting the joints lay new ceramic tile right the.
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