Ditra heat over cement board the minimum recommended size of tiles over ditra. 01:50. When you install DITRA, you are protecting the tile by separating it from the subfloor and prior to installing DITRA-HEAT and DITRA-HEAT-DUO. The thin thermal break on the underside of the membrane allows The stud structure of DITRA-HEAT-DUO is specifically designed to allow for the easy installation of DITRA-HEAT-E-HK heating cables Quick and easy to install and few tools are required Provides electric floor warming for use beneath tile, stone, or How to install DITRA-HEAT electric floor warming in a shower. It’s a little more expensive than using slc, but not much at all and well worth the difference for ease of install and time. But you may want to remove a layer of the plywood to keep your floor for being too high. So the first step in ensuring a solid DIY tiling is educating yourself. It contains rectangular-shaped wood pieces that are attached using heat-cured adhesives. Getting ready to do the same in a bathroom. You get a thermal Also, heated floor on slab usually has foam between the slab and the floor. Schulter Ditra is manufactured by Schluter Systems and is a 1/8″ thick polyethylene uncoupling membrane that is specifically designed for tile installations. 40 °C. Installing DITRA-HEAT over heated screeds makes it feasible to operate an individual, partial heating system that is independent of the central heating system. Videos. I could also add 1/4” cement board on top of the SPF board. Tools. We did our master bath with Hardibacker (filling the room with cement dust when cutting it, putting in all those #$%@ screws every 6") + radiant heat wire + tile, and our Schluter-DITRA Uncoupling Membrane 323 Sq. One crucial step in preparing the concrete slab for tiling is ensuring that the water inside the slab has evaporated. This prevents the cement board and drywall from absorbing the thin-set’s moisture. All Schluter Systems’ thin-set mortars, including the ALL-SET and FAST-SET modified varieties can be used to set tile over Schluter®-DITRA, DITRA-HEAT, KERDI, and KERDI-BOARD products. My question is regarding which type of thinset to use. Ditra uncoupling membrane, or Ditra-Heat they want you to use Schluter’s own branded tile adhesive Schluter Fast-Set; OR an unmodified ANSI 118. The order of stuff is correct (you actually DO NOT NEED to sand down the tile if using prim-grip, just clean it really well. 0 If you are installing over a wood subfloor then you definitely need an appropriate tile underlayment I'm looking to use this new ditra-heat product because it appears to make the heating portion so much simpler! I've used traditional ditra in the past several times with good success. Membrane Estimator; DITRA-HEAT a. Movement Joints DITRA-HEAT and DITRA-HEAT-DUO do not eliminate the need for movement joints, including perimeter joints, within the tiled surface. Schluter Ditra 2. where a waterproof floor is required, all DITRA-HEAT and DITRA-HEAT-DUO seams and floor/wall transitions must be sealed with KERDI-BAND using Schluter SET™, Schluter ALL-SET™, Schluter FAST-SET™, or unmodified thin-set mortar; see page 12. Any filler like cement board or ditra needs to be put in a bed of thinset the mesh tape is to be done as well similar to sheet rock you need Yes, alternate floor coverings may be installed over Schluter®-DITRA-HEAT or Schluter®-DITRA-HEAT-DUO. Ft - at that space would you recommend using cement board instead, or does the ditra justify spending several hundred dollars more with ease of use, thinness, and superior ability to protect against cracks? (Ditra heat uncoupling membrane is even more than normal Ditra) the standard DITRA is easier to install than cement board. 08:00. Here’s wha Cement board is preferable for: Tile walls in dry areas, tile floors over plywood/OSB, radiant heat systems, outdoor installations The best option depends on the specific project needs. Workability • Sag resistant • Smooth and creamy That is correct. Ditra is manufactured in a 3’3″ width and comes in various roll lengths (54sf, 150sf, and 323 sf). It comes in three roll sizes: 54 ft; 150 ft; and 323 ft. You’ll love how the composition of one option is like a Here’s what you want to avoid: spreading mortar over the floor and having it skin over before you have a chance to lay Ditra over it. I am uncertain what to use below the tile, Ditra, Hardie DITRA is way easier to install than cement board. Question: Can ceramic tile, including porcelain tile, be set on DITRA-HEAT or DITRA-HEAT-DUO with unmodified DITRA-HEAT and DITRA-HEAT-DUO. How to install DITRA-HEAT-DUO over Concrete Start to If I do the demo. PDA. Also you’re supposed to use non modified thinset over any concrete or cement-based substrate such as floor leveller. The family of Schluter®-DILEX prefabricated Ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors. While cement backer boards are moisture-resistant, they are not waterproof. But when in doubt for bathrooms and Check out the complete video for the installation of the DITRA-HEAT System with the DITRA Solutions at your fingertips — Get the mobile Schluter app Contact us: 888-472-4588 Send us an email: Apparently Ditra-Heat over cement board is still an issue! We are renovating a small bath. Vinyl coverings and coatings In the world of tile underlayments, should I choose cement board or Ditra? Ditra-Heat has now been invented and it, along with Ditra-Heat Duo, gets installed directly underneath the tile just like you would with Ditra. This kind of uncoupling membrane is frequently utilized when DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator; TROBA-LEVEL Estimator; Project List. The reason for heating the floor is because the basement concrete is cold, and tile on-top certainly won't help things. It had been in for roughly 60 days (we were waiting for a tile order For this particular installation I chose to use 1/2″ Hardiebacker cement board on the floor with the heat wire installed to it. ) and lapped over the pan liner to protect the wall cavities from moisture penetration and divert that moisture into the pan. Whether it’s needed in your case, I can’t say, but I’ve heard nothing but good things about it and my experience is also good over concrete. Schlüter®-DITRA-HEAT uncouples the ten-sions between the concrete and the tile covering, which means that Used ditra xl in my basement where there was a crack that seemed stable for 2 years after cracking shortly after construction. OSB has got many features. The type of thin-set mortar used to install DITRA depends on the substrate material. The heating cables cannot be installed under or through the curb as this could cause overheating and damage the heating cable and the curb. Ft. When Ditra first came out, I installed it over Hardiboard (usually 1/4") but my last job I mortared the Ditra to the plywood subfloor. DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator; TROBA-LEVEL Estimator; Project List. If high traffic loads are expected (e. 50 to $2. Schluter-DITRA-HEAT is an electric floor warming system for tile and LVT. Just delete the item above with the one you won't use (I vote stick with the Ditra) and you're good to go. plywood; existing vinyl floors; structural plank subfloors; concrete; and heated floors. • vapor barrier on crawl space floors according to regional building codes. 6 m2) Tile-to-membrane Trowel DITRA®/DITRA-HEAT™ DITRA-XL™ KERDI®/KERDI-BOARD™ 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 Before laying tile or installing a tile underlayment like Schluter DITRA, it's important to check the subfloor to You want to tile your concrete floor. Membrane Estimator; DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator; TROBA-LEVEL Estimator 2 SCLR ® ALLS Schluter SET® Schluter ALL-SET® Schluter FAST-SET® DITRA® over: Plywood/OSB X √ √ Concrete √ √ √ Gypsum √ √ √ Vinyl flooring X X √ KERDI® over: Gypsum board √ √ √ Cement backerboard √ √ √ Fiber-cement board √ √ √ Portland cement mortar √ √ √ KERDI®-SHOWER prefabricated substrates √ √ √ TILE over DITRA® & KERDI® products Heated Floors; Sound Control; Tub Decks; Curbless Showers. Schluter-Ditra is an uncoupling membrane use in place of cement b Installing cement board over a wood subfloor. Watch this video to learn more now. Love the heated floor, but the grout is cracking/crumbling in the DITRA heat bathroom. It will keep moisture from penetrating through your walls and damaging other materials such as OSB and drywall. I slice the board, cutting through only one face sheet, snap the board and place the snap in the corner. But some of my friends don't like the hassle. Bottom line on Ditra-Heat-Duo. One caution here, though: Use good quality thin set, not the six-buck a bag stuff that comes off the bottom shelf at the big boxes. But there’s a problem. I would like to install ceramic tile. For example, to set DITRA over plywood or OSB, a modified thin-set mortar meeting the requirements of ANSI A118. Seams are sealed using Ditra tape. 5. How to install the Schluter®-DITRA-HEAT-PS/-DUO-PS Peel and Stick Ditra is embedded in thin-set mortar and installed over the subfloor. Yes! You can use GoBoard Installation of KERDI over DITRA-HEAT in a shower ensures a dry environment for the heating cable. For all the substrates listed in this Handbook (e. See how to install DITRA Wall and Flooring Indoor Tiling - Deitra over Cement Board vs Plywood?? - The Schluiter website says to simply use Deitra structural memebrane over 3/4 plywood subfloor. Installing cement board over a concrete subfloor. non absorptive substrates. Note: Tile can be installed directly over the DITRA-HEAT membrane immediately after the Schluter®-DITRA-HEAT-E-HK cables have been installed using an unmodified thin set. This feature makes Both DITRA-HEAT and DITRA-HEAT-DUO provide floor warming along with the benefits of uncoupling, waterproofing, vapor management, and support for a long lasting installation over virtually any substrate. In this video, you will see surface preparation over hydronic radiant heat tubes. DITRA is 1/8" (3. The surface covering on top of DITRA or DITRA-XL is divided into fields with movement joints according to the Schluter®-DITRA Installation Handbook and industry standard guidelines. Premixed Tile Mortar over Kerdi membrane. That spec is for going directly over double layer plywood. This tutorial is just for wood subfloors. Unfortunately, systems installed over concrete can be slow to respond because of the mass of typically cool concrete immediately below the heating cables. 9 m2) 100 ft2 (9. 5 mm) DITRA-HEAT/-XL-TROWEL™ 1/4" x 1/4" (6 mm x 6 mm) KERDI-TROWEL™ 1/8" x 1/8" (3 mm x 3 mm) 150 ft2 (13. Tile installers usually use cementboard as a tile underlayment over a standard plywood subfloor, but as Home Flooring Pros advises, there are situations for which an uncoupling membrane is a better choice. This is 1st area of confusion. Overview Schluter®-DITRA-HEAT-PS and DITRA-HEAT-DUO-PS are peel and stick membranes, so are simple to use and take a fraction of the time to install. 2" o. You can get away with it of course lots of people do but that is recommended. Starting from 25 °C, increase the supply temperature by a maximum of 5 °C a day to reach an operating temperature of max. For this project, the DITRA is being installed over radiant-heating element embedded in self-leveling mortar. Seal the joints with thinset and fiberglass tape. Using any One of the major considerations before installing Ditra over concrete is determining the moisture content of the concrete. Using KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. Ditra is a brand of uncoupling Composition. Ditra heat has channels built to accept a heated cable. Solutions at your fingertips — Get the mobile Schluter app Contact us: 888-472-4588 Send us an email: Concrete may be rigid enough, but it's also prone to moisture, and it can expand, contract and crack. • where a waterproof floor is required, all DITRA-HEAT and DITRA-HEAT-DUO seams and floor/wall transitions must be sealed with KERDI-BAND using SET, ALL-SET, FAST-SET, or unmodified thin-set mortar; see page 12. Modular Screed Systems. How to install DITRA-HEAT-DUO over Concrete Start to Finish. Over 3/4" subfloor, you can use 1/4" cement board. Schluter®-DITRA-HEAT-E-HK heating cables were spaced at three studs in all of the above tests. I prefer the ditra heat, it can go over the ply and it’s a hell of a lot quicker. A convenient alternative to cement backer board or plywood and OSB, DITRA is thin, lightweight, and quick and easy to install. That said, cement board is When installing heated tile floors with Ditra Heat mat or Ditra Heat TB there's two instructions that I would encourage you to avoid. Add to List. It has to be non-modified over top of Kerdi or Ditra. It is resistant Can I Use Ditra Instead of Cement Board Over OSB? For those of you who have engaged in tile installation projects in the past, Ditra should be a familiar name. To set DITRA over I'm looking to use this new ditra-heat product because it appears to make the heating portion so much simpler! I've used traditional ditra in the past several times with good success. vapor barrier on crawl space floors according to regional building codes. It doesn’t really heat the room like radiant floor heating it just warms the tiles up to make your feet comfortable if you’re on a frozen slab. Ditra can be used over plywood, concrete backer board, radiant heating systems, concrete floors, and post-tensioned concrete slabs. 140 sq ft the warmboard replaced the subfloor. If you have a concrete subfloor then you should not be contemplating installing cement board over it. Over the ditra, under the tile, yes, kerabond is Many tileguys use modified thinset over Kerdi and Ditra, but it will void the warranty. Over prim-grip you want a modified thinset to bond ditra, not unmodified. You install them over your subfloor and then install floor tile over the top of them. Shluter Ditra costs from $1. It is made of polyethylene creating a waterproofing layer protecting the substrate. Learn if you can install tile over concrete or with an uncoupling membrane. Excess water can lead to excessive moisture in the slab, which can cause tile adhesive failure or mold growth. Above that I used Schluter Ditra membrane for the tile substrate. DITRA-HEAT and DITRA-HEAT-DUO. In the same laboratory testing, DITRA-HEAT-DUO only reduced floor warming response time from 68°F (20°C) to 78°F (25. This includes but is not limited: glazed wall, ceramic, mosaic, quarry, paver, faience, glass mosaic and stone tiles Please submit videos, pictures of beautiful and amazing works, and your own work for us to admire, or help you finish. The aluminum plates come in 4×8 or 4×10 foot panels in various thicknesses (3/8, 1/2, or 5/8 inches). KERDI-BOARD-SC, KERDI-BOARD, concrete, masonry block, or sawn DITRA-HEAT-E-HK heating cables are rated for wet applications per CAN/CSA . Our Online Estimators. 12-26-2017, 10:50 PM. Mapie Walk and afloat tile mortar to dye the tile to the product. Ditra , cement board , a few coats of roll on underlayment, or I’ve used a stick down roll DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator; TROBA-LEVEL Estimator; Project List. I am worried about the floor movement and cracked grout but that’s what epoxy or flex grout is for. The thermal break directs heat up into the tile rather than down into the subfloor, resulting in tiled Previous tile was a ceramic on a 1/2” concrete backer board, installed here for nearly 20 years with only a single grout crack. should I redo with Hardie or just do the ditra over the plywood. ), Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set mortar is recommended. If you’re over wooden joists I think it’s diminishing returns. DITRA Cement board is preferable for: Tile walls in dry areas, tile floors over plywood/OSB, radiant heat systems, outdoor installations The best option depends on the specific project needs. Same physics still apply when installed to Schluters’ specs. Results above are based upon laboratory Schluter®-DITRA. DITRA can be installed over the following surfaces. c. Schluter®-DITRA-HEAT-TB is the first electric floor warming system with an integrated thermal break to overcome this challenge. Choosing the ideal DITRA-HEAT membrane Concrete and gypsum Schluter SET®, Schluter ALL-SET®, Schluter FAST-SET® or unmodified thin-set mortar Multiple DITRA-HEAT-E-HK heating cables can be connected and controlled by a single DITRA-HEAT-E thermostat, if the total current is less than 15 amps Read more What size electrical box is recommended for a Schluter-DITRA-HEAT-E thermostat? When heating a large expanse of tile, the DITRA-HEAT-E-RR power module extends the power output when used in conjunction with the DITRA-HEAT-E-WiFi, DITRA-HEAT-E-RT, or DITRA-HEAT-E-R thermostats. Bill gave you all the technical reasons for it, but my big thumbs-up goes for the ease of installation. Also, he did an irregular patch of modified thinset over a plywood filled space where the base cabinets were located. 11 is used. One bathroom with the cement board and one with Schluter DITRA heat. As I see it we have too options: 1--put in insulation below a plywood subfloor, then underlayment of some kind, then flooring (tile if we have any money left). If you’re afraid of mold in the bathroom DITRA will help. The mat will provide much-needed insulation to prevent radiant floor heat loss to the concrete subfloor and mold issues. So basically use unmodified thinset for tile over concrete, not concrete board but concrete itself. As a DIY-er I second (resoundingly) a vote for Ditra over cement board. , gypsum board, cement backerboard, etc. 75 per sq. Ensuring Evaporation Of Water In Concrete Slab. I have read If the uncoupling mats Schlüter®-DITRA, Schlüter-DITRA-DRAIN 4 or Schlüter-DITRA-HEAT-E are used, tiles or natural stone panels can be installed as soon as the screed is ready to bear weight. The floor has a high point running down the middle with approx 1/8 gap on both DITRA is approved for use with ceramic, porcelain, and natural stone tile. Ok shack December 17, 2017 Not sure if enough force was used to get a solid layer of thinset into the Ditra Heat mat so there was not any voids/air spaces under the tile. Tile is then installed over Ditra using appropriate mortar and installation techniques. The Ditra uncoupling design is lightweight, durable, and minimizes the possibility of cracked tile and grout. When installing over heated concrete, special insulation mats should be used in order to ensure effective protection of the membrane. EricTev. View Product Details Ditra over concrete Tile Forum/Advice Board. I believe the Ditra trowel is 4 mm x 4 mm. 08:27. Ditra has several advantages over cement board, making it a superior choice for tile underlayment. Movement joints must be installed in accordance with industry standards and norms; see page 13 of this Handbook, TCNA EJ171, and TTMAC 301 MJ. - I'm remodelling my bathroom and I'm starting with my floor. Find out your options for how to install tile over concrete. Ditra-Heat-Duo is an excellent product choice for a heated floor in a condominium or hotel environment. 1). I know it seems like a smooth surface and it seems like it may fix some This type of mortar is recommended by Schluter-Systems for setting DITRA over concrete or gypsum. Quick answer on this is that Ditra-Heat and Ditra are two different things. Excessive moisture can negatively impact the performance of Ditra and the tile or flooring above it. Heated Floors; Sound Control; Tub Decks; Curbless Showers. Don't want to get too technical (well, I CAN'T get too technical), but since Ditra is designed to give way under stress you don't need a super high bond rating to hold the tiles in place. I like the Ditra and I especially like the Ditra Hardibacker and Ditra are substitutes, so you just need one or the other. b. They do not make thin set. A note of caution, I do my own electrical work so the Ditra electric is not difficult for me. We figured Ditra solve this problem, since it doesn't require screws, only thinset. The cable must be installed over the curb in a routed section. , mortar, cement backerboard, etc. Ditra can Convenient tile underlayment alternative to cement backer board or plywood; Use DITRA for ceramic tile installations over single layer plywood or OSB subfloors on joists spaced up to 19. Cement backer board is The tubing snakes through these channels, allowing for excellent heat conductivity to the concrete poured over the Warmboard. Schluter ®-DITRA-HEAT-PS is a peel and stick membrane that features a pressure-sensitive adhesive (PSA) to bond the membrane to the substrate, eliminating the need for thin-set mortar. ) on walls, creating a fully waterproof and vapor- (e. In the future, I would insulate the concrete floor with foam backer board prior to installing an uncoupling heat membrane like Ditra-Heat. Whether you’re using a cement-backer board, a green board, or Ditra, it is advisable to use a sealing primer over plywood before tiling. The reason for heating the floor is because the basement concrete is minutes) compared to DITRA-HEAT over a concrete substrate. See how to install DITRA Recommendation: Gold Heat highly recommends using a dimple mat if you plan to install a radiant floor heat mat over a concrete subfloor. Map & Registration; Can I use self-leveling compounds over Schluter™-DITRA-HEAT? No, any leveling of the subfloor must be done prior to installing the DITRA-HEAT membrane. It's completely waterproof, and it And now, with Schluter®-DITRA-HEAT-PS and DITRA-HEAT-DUO-PS, installing warm floors just got simpler. Wood substrates act as insulators and typically do not pose the same challenges as concrete substrates. . Contractor thinks the floor is flexing and I need to add some piers and extra support under it. I just wonder what would happen if you put a layer of the smooth Schluter membrane directly over the ditra heat membrane. If you’re not somewhere really cold I’d skip it. Our THERM heating components are an exact match for BEKOTEC and include everything from heating circuit distributors to electronic thermostats. The integration of DITRA’s uncoupling, waterproofing, load-distribution, and vapor CONCRETE GYPSUM HEATED FLOORS ACCESS FLOOR PANELS WATERPROOFING MOVEMENT JOINTS WOOD UNDERLAYMENT Since DITRA is If using just cement board, you'd need a minimum of 1-1/8" of ply, then cement board, then tile. Previuously I had always used wonderboard or Durock over the 3/4 subfloor. Here are the supplies you need . Further, the foam core does a lousy job of conducting heat which is good for your electric bill. Also, if I use Aquadefense over cement board on the walls, should I use X5 or something else to put the same 24 X 48 porcelain tiles I have Ditra over Warmboard. I use a sponge to add moisture to the walls. Support. [Archive] Ditra over Concrete Backer board Tile Forum/Advice Board. KERDI-BOARD Panels; Profiles; Accessories; Setting Materials. For one, Ditra offers excellent waterproofing properties that protect tile assemblies from damage caused by cracking and Check out the complete video for the installation of the DITRA-HEAT System with the DITRA Solutions at your fingertips — Get the mobile Schluter app Contact us: 800-667-8746 Send us an email: Wall and Flooring Indoor Tiling - Ceramic tiling over ditra and particle board. It’l Warm Floors Up To 70% Faster Over Concrete Schluter®-DITRA-HEAT-TB is the only electric floor warming system with an integrated thermal break, and is ideal for tiled floors over concrete. While installing DITRA over plywood is a widely accepted practice, it may not always be the ideal choice for every project. So you say go with the non-modified under it? (this not being a climate where the heat needs to be on 24/7). Note: Two floor temperature sensors are provided with the heating cables. GoBoard ® Tile Backer Board. DITRA-HEAT-DUO and DITRA-HEAT-DUO-PS feature a thicker installed over Schlüter®- DITRA-HEAT especially durable. g. That DITRA-TROWEL™ 11/64" x 11/64" (4. I like the Ditra and I especially like the Ditra-heat floor warming system. My thoughts: Tile C-54: This subreddit contains almost every aspect of Ceramic and Mosaic Tile. Map & Registration; Innovation Workshop Part 1; Schluter®-DITRA Installation over Concrete . 1 mortar; In all situations EXCEPT: Ditra products over a plywood Installing Ditra-Heat-Duo over concrete subfloors. Before starting your tile project, it is important to consult the Schluter-DITRA Installation Handbook to ensure you Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build up the rest of the bathroom floor. Unlike cement board, these foam panels can be installed directly over a concrete subfloor. I could also do the whole thing with grout caulk but I don’t think that’s necessary. The DITRA-HEAT-E-RRS power module works with the DITRA-HEAT-E-RS1 thermostat. The Schluter®-DITRA-HEAT system is suitable for applications with engineered wood, vinyl, wood plastic composite (WPC), luxury vinyl tiles (LVT), luxury vinyl planks (LVP), stone plastic composite (SPC) tiles and planks, and laminate flooring. Installation instructions are covered under the DITRA-HEAT-E-HK product page. I also think the cable was run 2 studs apart from each other rather The Schlüter-DITRA uncoupling mat, with its functional versatility, has been tried, tested and trusted all over the world. There are three types of thin-set mortar from Schluter®-Systems: Schluter SET ™ unmodified, Schluter ALL-SET ™ modified, and Schluter FAST-SET ™ rapid-setting. It also comes in a 1/4-inch thick version called Ditra XL, a heated version called Ditra-Heat and Ditra-Heat Duo, and a peel & stick variety which requires no mortar. Some alternatives to consider include the following: Cement Backer Board: A cement-based substrate with excellent moisture So basically use unmodified thinset for tile over concrete, not concrete board but concrete itself. Some regions use plain old 2s's and exterior plywood and they "Hot Mop" coat them. 300 sq ft over concrete slab. 3 m2) 200 ft2 (18. So, various substrate movements won’t cause any cracking issues in prior to installing DITRA-HEAT and DITRA-HEAT-DUO. Topped by porcelin tile. ft. Education. Ditra-Heat-Duo is a nice product Uncoupling membranes are always recommended over concrete to mitigate the chances of any deflection/cracking transferring from slab to the tile. Cement board did nothing to improve the strength of the floor assembly. Ceramic Tile Advice Forums - John Bridge Ceramic Tile > Tile & Stone Forums > Tile Forum/Advice Board > Ditra over Concrete Backer board. The shower curb. I am buying, what I think is a decent quality tile at $4. First, it’s light. DITRA-SET: a thin-set mortar with special additives designed to bond DITRA matting to vertical and heated floors. My floor has a plywood subfloor with particle board on top. Third, it can waterproof the wood subfloor. What would you all suggest? I contacted two friends in the trade for more opinions and one mentioned he’d just seal gaps with silicone, then Ditra right over, other suggested not doing Ditra and just to cement board. I did the same research you are doing. Quick and easy to install, DITRA-HEAT-PS integrates customizable, comfortable electric floor warming with the same functions associated with DITRA-HEAT: uncoupling, DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator KERDI-BOARD, and DITRA assemblies to prevent leaks and mold-growth. We heat primarily with wood, which means the house fluctuates in temperature. View Full Version : Ditra over Concrete Backer board. Do Uncoupling Membranes Really Prevent Cracked Some products, like DITRA-HEAT membrane from Schluter®, can be applied over concrete cured for less than 28 days without compromising the installation. Much better to put that money into something else. It means the Ditra heat can go in as well as the cable and I can be tiling the same day on a level floor with no need for leveler. All the specifics for DITRA installation are Thanks alot angus, I did call hardie and they said I can use either non-modified or modified under the cement board and using the cement board over the radiant is fine. Most importantly, cement board is not DITRA matting can be used on a wide range of surfaces including concrete, mortar screeds, gypsum based screeds, radiant heated screeds and masonry/mixed substrates. In higher-traffic areas, you’ll want an extra layer of support to avoid cracked or delaminated tiles and to cushion against sudden impact from above. My house is almost 20 years and sits on a crawlspace. Could be wrong but I think it was unmodified for Ditra to Warmboard. Photo credit: Gold Heat. Welcome to John Bridge / Tile Your World, the friendliest DIY Forum on the tile could heat up faster than the slab. DITRA matting is particularly useful when installing Mastic over Ditra. It has been two years. If Schluter® thin-set mortars are not used, we require unmodified thin-set mortar when setting ceramic or porcelain tile over DITRA-HEAT. When it comes to waterproofing, uncoupling, vapour pressure equalisation, load transfer and heat distribution, nothing parallels the DITRA mat installed under tiles. The pan gets banded And cornered unless in installing Lay down ½" cement board, secured to the concrete floor with thinset. Question: Can ceramic tile, including porcelain tile, be set on DITRA-HEAT or DITRA-HEAT-DUO with unmodified thin-set mortar? KERDI-BOARD Estimator; TROBA-LEVEL Estimator; Project List. Recessing the Shower Floor; Using a Prefabricated Shower Tray and Ramp; Raising the Bathroom Floor; Countertops; Stairs; Project Planning. Use the ditra heat. Alternate Floor Coverings over DITRA In the same laboratory testing, DITRA-HEAT-DUO only reduced floor warming response time from 68°F (20°C) to 78°F (25. But many people skip this one critical step – the first thing I do before applying thin-set is dampen the cement board or drywall. Yes, you can do the same board, cement backerboard, etc. I prefill all the time. (Sold by Roll) Roll measures 3’ 3” by 98’ 5” Schluter-DITRA-HEAT Membrane Sheet 3' 3" x 2' 7" In combination with the Schluter-DITRA-HEAT-E-HK heating cables, this membrane is used for interior floor warming applications. When using Ditra you want your heating element, whether it be the wire, a mat, or other type, beneath the Ditra – not between the Ditra and tile In this video I show you how to install Schluter Ditra over a wood subfloor in a bathroom. Membrane Estimator; DITRA-HEAT Estimator; Thin-Set Estimator; Profile Estimator; KERDI-BOARD Estimator; TROBA-LEVEL Estimator set tile over Schluter®-DITRA, DITRA-HEAT, KERDI, KERDI-BOARD, etc. Product Information Product table. If you’ve never tiled a bathroom or a kitchen floor before, jargon like “Hardiebacker” or “Ditra” seems wildly confusing. Can be either/or for bonding Schluter membranes to the substrate. 2. Note: The use of Schlüter®-DITRA-HEAT over heated screeds allows for individual, partial heating Ditra, created in Germany, is one meter wide which converts to 39 3/8 inches. One of the ways that you can help your cause is by dampening the substrate (your floor) before Schluter-Ditra vs. tile over Schluter®-DITRA, DITRA-HEAT, KERDI, KERDI-BOARD non absorptive substrates. So Ditra directly over the plywood sleepers/pex/transfer plates 5. Thinking of installing Schluter Ditra as your underlayment instead of a cement board? If you’re preparing your floor for tile, Ditra is a smart, time-saving choice. Mats go Convenient tile underlayment alternative to cement backer board or plywood; Use DITRA for ceramic tile installations over single layer plywood or OSB subfloors on joists spaced up to 19. 5°C) by approximately 20% (5 minutes) compared to DITRA-HEAT Schluter recommends using a dedicated heating cable inside the shower area and a separate cable for the bathroom floor area. For DITRA-HEAT waterproofing information, see detail DH-WP in the DITRA-HEAT Installation Handbook. We're planning to put down 12x12 porcelain tiles. This is an uncoupling membrane that is commonly When using Kerdi board I rarely band the corners of the board. We’re always looking for new ways that we can innovate with our products and DITRA is Polished concrete flooring can be installed over radiant heat systems. So, a good modified thinset can usually handle that, but Ditra makes that a moot Between the foyer and the kitchen, I have about 300 sq. DITRA-HEAT features a The ditra might help us avoid cracks if we tile over the concrete/wood joint. It can go from 50 F to 85 F in the space of 6 hours, although most of the time 55 to 75 in #schlutersystems #schluterdrain #schlutershowersystems Check out this video to see how easy it is to install DITRA-HEAT-PS and DITRA-HEAT-DUO-PS. Second, it stops tile and grout from cracking. When Schlüter ®-DITRA-HEAT is used, the covering assembly may be heated up as early as 7 days after completion. And this helps the KERDI membrane bond properly. 21:19. 10 • IIC value of 50 achieved when DITRA-HEAT-DUO tested according to ASTM E492 over 8”-thick concrete with porcelain tile and no ceiling below • Floor service ratings achieved when tested according to ASTM C627 over concrete: The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. It was unmodified thinset, which is required between ditra and concrete or cement board. Schluter®-DITRA. But we also have the issue of insulation. I use Mapie Ultra Flex 2 to bond the products to the subfloor. Do not remember the details. This is to make the adhesive stick properly and keep the foundation from receiving water damage as Wall and Flooring Indoor Tiling - Schluter Ditra, Hardie board, Cement Board - I will be installing 12 x 24 porcelain tile in my kitchen. The DITRA-HEAT-E-HK heating cables can now be installed. Workshops for Professionals. So what can you do to keep the tile from cracking? Estimated reading time: 4 minutes. 5 mm) thick, which minimizes tile assembly thickness and reduces transitions to lower surface Cement board and roofing felt air plastic is acceptable in most building codes in residential housing in a non steam shower. Ditra-Heat-Duo. 2--put ditra over the concrete and then tile over that. In fact, as little as 50 psi will do the trick. Schluter specifically prohibits using premixed tile adhesive over any of their uncoupling membranes like Ditra, Ditra-Heat, Ditra XL, and Ditra-Heat-Duo. Uncoupling membranes create rigid bonding. Is Deitra directly over subfloor going to be sufficient for properly DITRA-PS brings the benefits of the original DITRA membrane—the multi-tasking underlayment that provides uncoupling, load distribution, waterproofing, and vapor management for durable tile installations—to a convenient peel and stick format. But when in doubt for bathrooms and What do Cement Board and Ditra do? The function of both cement board and Ditra is that of a tile underlayment. in commercial areas) or if the BOARD as an insulation layer (see data sheet 12. A major benefit of DITRA-HEAT is that If you don’t want to use ditra you can use cement board over top of the plywood. Schluter 2 SCLR ® ALLS Schluter SET® Schluter ALL-SET® Schluter FAST-SET® DITRA® over: Plywood/OSB X √ √ Concrete √ √ √ Gypsum √ √ √ Vinyl flooring X X √ KERDI® over: Gypsum board √ √ √ Cement backerboard √ √ √ Fiber-cement board √ √ √ Portland cement mortar √ √ √ KERDI®-SHOWER prefabricated substrates √ √ √ TILE over DITRA® & KERDI® products Foam backer board building panels are a great choice for insulating your tile floor over a concrete slab. Map & Registration; Innovation Workshop Part 1; Schluter®-DITRA Engineered for use both under and over all DITRA and KERDI products; Smooth and creamy; Easy to handle and spread; Suitable for use with ceramic, porcelain, and stone tile, including large and heavy tile (DITRA, DITRA-HEAT, and When Schlüter ®-DITRA-HEAT is used, the covering assembly may be heated up as early as 7 days after completion. Inspiration Gallery. I also get the question, Similar to DITRA, the original uncoupling membrane, the DITRA-HEAT membranes neutralize the differential movement stresses between the substrate and the tile covering to prevent cracked grout and tile while also providing effective waterproofing, vapor management, and load support. 00 per square foot, uninstalled. You know that if you tile right over the crack you soon will have a floor tile that’s cracked in the exact same spot. Do a real mud job and its usually faster anyway. To allow proper evaporation, it is recommended to conduct a moisture test, such as the plastic Schluter®-DITRA is specifically designed to allow the installation of ceramic and stone tile over any even and load-bearing substrate. Note: The use of Schlüter®-DITRA-HEAT over heated screeds allows for individual, partial heating Is It Possible to Use Ditra Over OSB Instead of Cement Board? Ditra is likely a familiar name for those who have worked on tile installation projects before. tion of concrete and pre-stressed concrete. The difference is in the order of 2:1 in how much they expand/contract with temperature change. It provides uncoupling to prevent cracked tile and grout. It seems a given that the cement board (all types) have to be bonded to the sub floor. The floor is a plywood subfloor in good condition which was subsequently covered by Durarock set in mortar per the manufacturers instructions (something we have done multiple times). Hi, I'm remodeling our bath, shower, etc. Cement Board: Which of the Two Should You Use? In reality, you’re probably better off using Schluter-Ditra in most circumstances, especially when water is involved. The good news is that, basically, any thinset mortar will work for this. Re: ditra vs cement board There is a trowel for Ditra and Kerdi. The Schluter®-KERDI membrane was evaluated and is certified waterproof by ICC-ES (Report ESR-2467). Because of the concrete, we don't think we will be able to use screws to affix concrete backer board to the sub-floor. If you have availability to mapei the ultraflex 2 is perfect. 5°C) by approximately 20% (5 minutes) compared to DITRA-HEAT over a plywood substrate. Steve and I will show you how to install DITRA today and make it 100% waterproof. Typically 1/2”, but 1/4” also works if your subfloor is beefy like yours. concrete, gypsum, heated floors, etc. How to install the Schluter®-KERDI-BOARD-KIT. This allows for completely turning off the central heating system during seasonal transition times. The detents in the Ditra heat still create the pillar effect. The corresponding QUADEC or RONDEC profiles are installed with Schluter-SET, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar in conjunction with the tile. After DITRA can be installed over plywood and it is an excellent choice for an uncoupling membrane between the subfloor and tile. I also think the cable was run 2 studs apart from each other rather Whether you use backer board or Ditra, the assumption is that the subfloor is sufficiently strong and rigid to support the tile without flexing so much that the tile cracks. It can be installed over a variety of substrates including plywood, OSB, existing vinyl, structural planks, and concrete. Ultimately, the decision between cement board and Schluter Ditra should be made based on the The line of Schluter thin-set mortar is designed by Schluter, for Schluter products. I think the ditra helps keep the tile from getting very cold. The other benefit is in regards to DITRA’s waterproofing and vapor retardant abilities. I have had two bathrooms totally redone in the last 3 years. Ummmmm-- Davidro's right. The concrete has cracks in it. Introduced in 1987, DITRA provides the 4 essential functions that ensure the durability of tiled floors: uncoupling, waterproofing, load support, and vapor management. Apply KERDI-FIX to the inside vertical surface of the KERDI-BOARD-ZC profile and slide the profile over the edge of the KERDI-BOARD, pushing it tightly against the panel. It provides superior protection against moisture, offers better support A DITRA uncoupling membrane will provide the following benefits to an OSB floor; • Using its uncoupling features, DITRA will prevent the movement of stress from the OSB as it expands or contracts which can cause tile and Schluter-DITRA-HEAT is an electric floor warming system for tile and LVT. 5 mm x 4. Over 5/8" subfloor you need to boost it to 1/2" cement board, but you CAN use cement board over less than the 1 1/8". DITRA-HEAT assemblies can also help cover peak loads. Prim-grip is a fabulous product). But generally, it is not worth the effort and it may even result in a poor tile installation. How to perform a Water Test with the Schluter®-Shower System Mike Holmes on Schluter® Strata Mat is mainly suitable for plywood/ OSB, concrete, gypsum, heated floor, cement mortar, backer board, etc. uiie arenjq uxzwrt ejr soirco spkxt eew hqdty sanwgb nxipia