Finally getting ready to finish my shower project. Note: Coverage may vary with mortar consistency, angle at which the trowel is held, substrate flatness, etc. Additionally, it is important to waterproof cement board before tiling, as the grout and tiles can help keep the board watertight. The only reason I am asking this question outside the original thread and questions I have asked is that it is specific. DITRA is 1/8" (3.5 mm) thick, which minimizes tile assembly thickness and reduces transitions to lower surface coverings (e.g., carpet, engineered wood, and vinyl). vBulletin v3.7.4, Copyright 2000-2023, Jelsoft Enterprises Ltd. 
clean, dry no lose paint etc. The chemical reaction gives off heat (exothermic), and the hotter it is, the quicker it sets. 
Solidly embed the tiles in the setting material. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-box-3','ezslot_3',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');Yes, you can put Kerdi membrane over cement board. Ouch. Any specific type/brand to look for? Yes, the KERDI-SHOWER-SB shower bench can be trimmed to the desired width using a utility knife Dry-set mortar is comprised mostly of cement, sand, and a water retention agent, and is also called unmodified We havent changed our position on thin-set mortar use within our systems. Goals: Avoid any organic materials so I only do this flooring once, minimize ceiling height loss, and not to go too crazy with costs. Then your membrane, then your tile. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. :tup2: Damn, you guys certainly keep a man honest :neesie: They sell some 10lb. Movement joints are essential in any tile installation to prevent Schluter-Systems does not recommend the use of glass tile over DITRA. DITRA provides uncoupling through its open rib structure, which allows for in-plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile, thus eliminating the major cause of cracking and delaminating of the tiled surface. Seems like a decent choice when no other is readily available. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. Yes, you need waterproofing behind shower tile. Additionally, the use of modified thinset with KERDI could lead to cracks and other issues down the line as the modified thinset can shrink and pull away from the KERDI membrane over time. With a tray, it has to be perfectly flat and level. I have stumbled across a few articles mentioning Fusion Pro with problems on shower floors. The designer and builder of the 2018 Fine Homebuilding House detail why they chose mineral-wool batts and high-density boards for all of their insulation needs. Find the website that's made specifically for you. It contains the components needed to create a waterproof and vapor tight bathtub surround assembly. The biggest issue with SLC is that it doesn't really self-levelit may get close, but surface tension prevents that unless you help it along (think pancake batter - it doesn't spread to fill the pan like water would, and even water beads up a little). Uncoupling. Some limitations include the following: 1- Cushioned vinyl is Can mosaic tile be used with Schluter-DITRA or Schluter-DITRA-XL? For complete installation guidelines and warranty criteria please refer to the downloadable Schluter-DITRA Installation Handbook and view the step-by-step installation videos available below. The kit What can I do? Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. Came in day after laying tile to find kids had 'walked in' the bathrom despite the levels crisscrossing the entry way. Can you put Schluter over plywood? Send us an email: . Is there a product you would recommend? Did the article get this detail grotesquely wrong? Waterproofing corners Schluter-KERDI-KERECK. "), Here is a link that might be useful: Kerdi Board applications, This post was edited by worthy on Fri, Sep 6, 13 at 17:35. Its essential to protect surrounding wall and floor surfaces from water or moisture damage that can occur in these areas. How do you install a Kerdi bathroom floor membrane? Firstly, it is important to ensure the wall is adequately prepared and that it is smooth, flat and free of defects. Ditra allows modified thinset to lay the Ditra down, but requires unmodified TS when setting the tile on the Ditra. Possibly. As far as bonding goes, no sweat. DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2" (488 mm) o.c. Waterproofing the floor is not required, but can be beneficial in some cases. Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. 
The estimated thin-set mortar coverage for each membrane is shown below. DITRA has a nominal 1/8" (3 mm)-thickness which minimizes tile assembly thickness. Send us an email: , Using a Prefabricated Shower Tray and Ramp, 1. On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs. I will heed that advice. This is necessary to ensure that the membrane will adhere properly to the drywall. Tiles moved.Went to try and pry out now unlevel tiles and 'voila', they just lifted right out. Schluter-KERDI-FLEX is a flexible polyethylene waterproofing strip used to seal movement joints over DITRA in specialty applications where large movements are expected, i.e. Once its cleaned, use caulk to seal all of the seams where the cement board meets the walls. 
DITRA-XL is 5/16 (7 mm)-thick to create an even transition between typical 5/16 (7 mm)-thick tile and 3/4 (19 mm)-thick hardwood flooring. While cement backer boards are moisture-resistant, they are not waterproof. Get home building tips, offers, and expert advice in your inbox. Leveler I would be tempted to use as s is. Yes. The combination of these four essential functions allows for the successful installation of tile over a wide range of substrates, including plywood/ OSB, concrete, gypsum, heated floors, etc. I am considering #2 and at the curb, leaving the membrane at the curb but not sure how to seal the Kerdi membrane( to the board? Makes it real simple to install and when done right good for 50 years. Made of polyethylene, DITRA also serves as a waterproofing layer that protects moisture-sensitive substrates, such as plywood/OSB. Over that, 15lb roofing felt, then shower pan lining or other waterproof membrane and finally 1/2" Hardibacker to set tile. Further, DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. Where do I begin? WebThe Kerdi-Tubkit is a complete kit for tiled bathtub surrounds. Silicone or sand caulk in the corners since its a change of plain. Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers When it comes to applying KERDI, however, it is advised to use a regular thinset that includes portland cement as its main component. If you cannot or do not wish to recess the floor or use a ramp, the use of additional materials to raise the bathroom floor is another option. tassajara poppy seed cake recipe; charlie mcdermott wife sara rejaie. Both floor temperature sensors are installed within the tile assembly. Continuing Education for Architects & Designers. A-holes. If the mortar skins over prior to matting installation, remove and reapply. I tried to snap chalk lines on Schluter-DITRA before setting my tile, but the chalk rubs off the plastic easily while I am working. I will look into it. The ALL-SET should hold a notch but still be fairly fluid. Check out three different, sturdy fence gates Jeff Nixon made with PVC. I will check. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_25',168,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0');Waterproofing should also be done on other areas in the shower as well such as the corners, window sills and other areas where water can easily accumulate. Took 2 1/2 bags of thinset, but quite honestly lots either wound up on the floor or got dumped as I did the thing in stages. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-mobile-leaderboard-2','ezslot_27',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0');Waterproofing should be done prior to the installation of any tile including behind the shower tile. Most cement-based thin-set mortars are suitable; however, it is important to check the manufacturers instructions to ensure that the product is approved for use with Schluter systems. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. You'll be surprised how quickly the stuff solidifies! Schluter-Systems does not recommend the installation of floor warming systems over DITRA or DITRA-XL How to install the Schluter-DITRA Uncoupling and Waterproofing Membrane, Schluter-DITRA: Four Essential Functions. And YES, a 1/4" slope from wall to shower floor. Column-like mortar structures are formed in the cutback cavities of the matting. Uncoupling 
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. Make sure to use multiple coats, if necessary. Loads are transferred from the tile covering through these column-like mortar structures to the substrate. Prefabricated sloped shower tray: Schluter-KERDI-SHOWER-LTS, 3. Have everything set to go BEFORE you mix it. Kerdi200/10M covers 108 sq. Ceramic Tile Advice Forums - John Bridge Ceramic Tile. Good idea to dampen the OSB before you apply the leveler. Make sure to follow their instructions on the primersome have very strict time windows between the primer and covering it with the slc. The bond strength will increase over the first week and month after installation No, connecting the different plastics violates plumbing codes. To waterproof Hardie board, you should choose a quality sealer that is designed for use on cement-based sidings. The Kerdi system is installed using thin-set mortar. Some suggest marble is not recommended for showers. Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. The ability of DITRA installations to support and distribute heavy loads while preserving the integrity of the tiled surface has been verified through extensive laboratory and field testing, including applications exposed to vehicular traffic. The type of thin-set mortar used to install DITRA depends on the substrate material. Large Gap. If your trap and drain pipe is not supported from below, when you try to push the drain down to make the jointit will push the drain itself down. There are two methods to seal KERDI-BOARD to a bathtub. DITRA is only 1/8" (3.5 mm)-thick to provide the thinnest possible assembly without sacrificing performance, DITRA features cutting grooves for precise cuts and air release vents at the corners of the cutback cavities for faster filling. Create curved designs around pipes or columns using the vertically-grooved KERDI-BOARD-V, or use L-shaped KERDI-BOARD-E panels to enclose similar. The estimated thin-set mortar coverage is shown below. Dam up any area you dont want/need the leveler to go into. Thinset with a latex acrylic modifier is best for interior projects, but if youre installing outdoors, you should use thinset with a polymer modified (PM) compound for greater moisture resistance. Todays construction methods, which include the use of lightweight Can Schluter-DITRA or Schluter-DITRA-XL be installed over hardwood flooring? Uncoupling and waterproofing membrane: Schluter-DITRA, 5. How are you going to handle the butt joints perpendicular to the joists of your new and old OSB? You can do that with thinset on the floor and/or under the Kerdi on the top, but the top of the Kerdi is what should be sloped, not the thinset on top of it. 
Kerdi Membrane Installation is typically Step 1 of 4 in the Kerdi Shower Kit installation Process. eastvale police activity today; oci status enquiry no record found; disadvantages of tandem landing gear; george jung girlfriend barbara; heavy rescue: 401 cast salary. 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 the matting. KERDI and KERDI-DS are pliable, sheet-applied, bonded waterproof membranes and vapor retarders with limited crack-bridging capabilities. Hey Jim, one last question. Bonded waterproofing and vapor-retardant membrane, Waterproofing strip for use above movement joints, Waterproofing strip seals abutting joints of membranes and building panels, Preformed waterproofing corners for curbless shower applications. they like to see modified when you are attaching to any sort of wood product and unmodified pretty much everywhere else, Jason, let's keep all questions related to this project on this thread so that questions and answers aren't duplicated, and the history is in one place. I need to get rid of the old trap and cap off then tie in a new trap. I would just prime with a latrex bonding agent, let it dry 'till tacky and go for it. Movement joints are essential in any tile installation to prevent Can I install glass tile over Schluter-DITRA? For example, to set DITRA over plywood No. Periodically remove and check a tile to ensure that full coverage is being attained. Invictus, by Henley. We are trying to lay slate tile in an entryway. There are two methods to seal KERDI to a bathtub. Ceramic and stone tiles are durable, easy to maintain, and hygienic, representing the ideal surface coverings Im planning to install my tile using Schluter-DITRA. Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers before tiles are installed. Can you put Kerdi membrane over plywood? Sorry about that. I'm not so sure any of this makes a difference? The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. 
Coverage may vary with mortar consistency, angle at which the trowel is held Our thermostats have a built-in GFCI, so a GFCI is not required at the breaker. Continuing Education for Architects & Designers. When installation is done properly, Kerdi membrane offers a waterproof barrier that can protect the plywood below from moisture. Due to its thin perimeter height, the KERDI-SHOWER-TT is an ideal choice. The time between liquid and starting to set can be quite abrupt. the modified cured differently (or was it the unmodified?) Additionally, the drywall should be primed with a latex primer before applying the Kerdi membrane. (On the other hand, I once demolished an addition where the homeowner had nailed each ceiling tile with 3" spikes for "added strength. ;). (22.68 kg) bag of mortar per 150 ft2(10.7 m2). Solidly embed the matting into the mortar using a float, screed trowel, or DITRA-ROLLER*, making sure to observe the open time of the bonding mortar. Using a thin-set mortar that is suitable for the substrate, apply the thin-set mortar (mixed to a fairly fluid consistency, but still able to hold a notch) How long do I have to wait before I can install tile on the Schluter-DITRA membrane? At the joints, fill the cut-back cavities with Schluter SET, Schluter ALL-SET, Schluter FAST-SET, or unmodified thin-set mortar, approximately 8" (203 mm) wide, centered over the joint. Modified thinset adhesive is a premixed product that contains latex or acrylic components which make it quite a bit more flexible than regular thinset adhesive and therefore better suited to some applications. FRC board tends to be more moisture-resistant than gypsum board and is best suited for outdoor projects such as showers or tub surrounds. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any KERDI installation. Additionally, if the cement board isnt waterproof, it can also cause mold and mildew issues, as well as dry wall damage from the moisture seeping through. Depending on your project and the specific cement board you are using, you will want to select a thinset appropriate for both.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'remodelormove_com-large-leaderboard-2','ezslot_16',158,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-large-leaderboard-2-0'); The two primary criteria to help guide your selection are the type of cement board you are using and whether you are installing it indoors or outdoors. (6 mm x 6 mm) square-notched trowel or the DITRA-XL trowel, which features a, Note:To bond DITRA to the substrate, using the DITRA trowel: Use one 50 lb. from what I first gathered the problem was with grout cracking. When should you refinish existing stairs and when should you cap them. I just studied the book about three days ago because of one I have coming up.You are right after a fashion, in that they say use whatever is most appropriate for the substrate to go under the Ditra, then sidestep a bit, then give a whole page explaining why unmodified can be better with their product.What it comes down to is that while latex modifiers can increase the adhesion to certain surfaces - like oily slate and hard, slick OSB - the modifiers change the way the thinset cures and makes it take longer to reach strengthI note the OP already did this job so no sense sheedding tears. How do you show the depth of a hole in a drawing? No. Worthy: "I once demolished an addition where the homeowner had nailed each ceiling tile with 3" spikes for "added strength."". The following steps are required for waterproofing only: 1. Happy Friday good people. 173 and followed their instructions, laying down 3/4 OSB down and Yes, I'm moving the drain to the center.
Thanks Chris. WebThe Kerdi-Tubkit is a complete kit for tiled bathtub surrounds. The KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2" (38 mm) high. Thanks Kevin. Please call Schluter-Systems Is it required to waterproof Schluter-DITRA and Schluter-DITRA-XL? Additionally, all thin-set mortars should be suitable for use in wet or feature depths of up to 1/8 inch. Either will work to anchor the foam pan. Schluter- KERDI-DS is a bonded waterproofing membrane and vapor retarder with very low water vapor permeance for use in continuous-use steam rooms and similar applications. Finally, make sure to select a thinset that is appropriate for the job, check the manufacturers recommendation, and always follow the instructions on the product label. This will help protect the cement board from water damage, and is often a specific type of coating designed for use with cement boards. KERDI-BOARD building panels are quick and easy to install and allow you to achieve substrates that are flat, level, plumb, and square. We recommend Schluter SET , ALL-SET , FAST-SET, or unmodified thin-set mortar on a floor that has been leveled with a self-leveling product. Invictus, by Henley. Preparing drywall for KERDI membrane requires a few important steps to ensure a successful application. Free-space on the underside of the matting provides a route for excess moisture and vapor to prevent damage to the tile layer above. I figured on 2 but had to pick up one more later, but my local tile shop has a wide variety of brands in stock. The minimum required tile format for use with DITRA-HEAT is 2" x 2" (50 mm x 50 mm). The type of thin-set mortar used to install DITRA depends on the substrate material. over expansion joints or construction joints. Some of the acrylic based ones are pretty maintenance free, too. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'remodelormove_com-mobile-leaderboard-1','ezslot_26',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-1-0');As an added precaution, you may want to consider to adding a water-resistant layer afterwards, such as a caulking or flashing tape. You can use the 3/4" plywood. At all wall junctions, apply KERDI-BAND as described in steps 1-3, ensuring a minimum of 2" overlap on to DITRA/DITRA-XL. Using KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. DITRA-HEAT-DUO features an integrated bonding fleece that provides sound control, as well as a thermal break. Its polyethylene composition protects the substrate from moisture penetration, which is particularly important in todays building environment where most substrates are moisture-sensitive. Mix a bit more than you think you need and get after it. DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. 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 put down 500 sf of that stuff in a kitchen in January, and followed the handy-dandy instruction book by Schluter. The cement board can also become weakened and start to flake away when it absorbs moisture, causing ugly spots and patches to start appearing on the wall. Contact us: 888-472-4588
Yes, DITRA-HEAT can be installed over vinyl. Apply DITRA or DITRA-XL to the floor, fleece side down. Yes, it is possible to put Kerdi over regular drywall. DITRA is not intended to be barrier sound control system. Lift up a corner of the matting to check coverage. You don't want a ridge there. Thanks for the reply, I appreciate it. One option is to apply hair spray over the chalk lines. Contact us: 888-472-4588
The Kerdi foam shower tray needs to be applied with thin set under it ? While cement backer boards are moisture-resistant, they are not The cement board needs to be clean, free of debris, and dry. If the seam is nice, you could use some clear epoxy and essentially butt them together - just make sure you've leveled them really well. For indoor projects and gypsum board, thinset with a latex acrylic modifier is ideal. Once the wall is prepped, use a primer that is compatible with the KERDI membrane so that it will properly adhere to the wall. Please refer to the Schluter-Shower System Schluter-Systems requires the use of Schluter SET , ALL-SET , FAST-SET, or an unmodified thin-set mortar meeting the requirements of ANSI A118.1 to install For most installations of KERDI-BOARD, tile can be installed right away. Required fields are marked *. Use DITRA-XL for ceramic tile installations over single layer plywood or OSB subfloors on joists spaced up to 24" o.c. WebWhat Mortar for Schluter Kerdi & Ditra Nathan Wallace 7 years ago I am getting ready to install 12x24 tile in my shower and floor and going to be using the Kerdi membrane over Schluter, the manufacturer of DITRA,recommendsits use over OSB and plywood. This layer is installed beneath new tiles to keep water and moisture from leaking through. DITRA-XL is 5/16 (7 mm)-thick and allows for ceramic tile application over single layer plywood/OSB subfloors on joists spaced at 24 (610 mm) o.c. There is no single determining factor. If any is found, wait a few more hours and then re-inspect. Since thin-set mortar works over almost any substrate, the Kerdi WebKerdi-Band Orange Polyethylene Waterproofing Tile Membrane Find My Store for pricing and availability Prevent Water Damage With a Tile Membrane Ensure your floors can tolerate water with a dependable tile membrane. I had to take out a linoleum floor with 1/4" plywood underlayment that was gun-nailed with hundreds and hundreds of ring-shanks in each sheet - the installers had even shot-in stars and circles and spelled out their names with nails. Prefabricated shower tray: Schluter-KERDI-SHOWER-T/-TS/-TT, 3. Schluter-Systems requires the use of Schluter SET , ALL-SET , FAST-SET, or an unmodified thin-set mortar meeting the requirements of ANSI A118.1 to install Why should I use Schluter-DITRA in my tile installation? If you were using a mud floor as your base, having the floor a little uneven wouldn't matter. Schluter-Systems does not recommend the use of glass tile over DITRA. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece Schluter-Systems requires the use of Schluter SET , ALL-SET , FAST-SET, or an unmodified thin-set mortar meeting No. Ultimately, the decision between a Schlter system or a cement board comes down to the particular application and the goals the user has for the floor system. Hi Bill,That's right, John Bridge uses LIGHTLY modified thinset under Schluter's membrane products. Following the instructions for the product being used and ensuring that all of the necessary steps are followed will help to ensure a successful installation. (22.68 kg) bag of mortar per 150 ft. 4. Its a lot easier to do it right the first time and cheaper also. The distinguishing feature of DITRA is the existence of free space created by the configured channels on the underside of the matting. In general, the Schlter system is typically more expensive than a cement board, and some people may find this an attractive option for its long lasting, easy to maintain qualities. Check a deflectometer to be sure that will be rigid enough. All it takes is the right preparation. That will eliminate/slow down theloss of moisture from the mortar. Yes, Kerdi membrane can be installed over plywood. Prime first to create a flat, uniform surface that is free of dust, grease and other debris. The classically-inspired KERDI-DRAIN is offered in a variety of grate finishes and accommodates a wide range of tile thicknesses. The KERDI-BOARD-SC shower curbs and KERDI-BOARD-SB shower bench are typically installed adjacent to the Schluter prefabricated shower tray No, the KERDI-DRAIN bonding flange is not compatible with the KERDI-DRAIN adaptor ring. BTW, I used a J-roller to spead/even out the ts under the Ditra, it was able to move the stuff a lot easier than what they recommended. KERDI-DRAIN features an integrated bonding flange to which the KERDI waterproofing membrane is adhered and forms a waterproof connection at the top of the tile assembly. 3. No brand recommendation from me. I look at ceramic tile as a lifetime-of the house-product, so I use the best material for the job.I prefer to use cement board as the substrate with the Kerdi on top. Using the flat side of the trowel, firmly press the 5" (127 mm)-wide Schluter-KERDI-BAND into the mortar to ensure 100% coverage and to remove excess mortar and air pockets. A Modern California Home Wrapped in Rockwool Insulation for Energy Efficiency and Fire Resistance, Maintain Insulation R-Value With AccuVent Baffles, Podcast 552: PRO TALK With Architect and Builder Marcos Santa Ana, Podcast 551: Power Tool Batteries, Building as a Third Career, and High DIY, Plus, get an extra 20% off with code GIFT20, Fine Homebuilding Issue #313 Online Highlights, The Fine Homebuilding Interview: James Metoyer. The thin-set mortar should be mixed to a fairly dry consistency and then spread on the surface with a 1/4 inch square notch trowel. Thanks Robert. Kerdi does admit that you can use cement board. When doing so, it is important to ensure that the drywall surface is clean and free of dust, grease, and loose paint. It is not necessary to tape the joints between drywall panels before installing KERDI. Cement board is particularly vulnerable to water damage, so waterproofing can help protect it and help it last longer. The KERDI-SHOWER- T/-TS/-TT trays can be cut to size to fit various applications.
Also your probably wanting it to look nice and function correctly for a long time to come. How can I do this safely? 2. Additionally, a liquid water-resistant membrane should be applied over all surface areas before installation. Yes. Neither one absorbs moisture and both offer some interesting features (glow in the dark! Mix it are pliable, sheet-applied, bonded waterproof membranes and vapor to prevent damage to floor. Allows modified thinset to lay the DITRA down, but requires unmodified TS when setting the covering! Latrex bonding agent, let it dry 'till tacky and go for it construction methods which... Idea to dampen the OSB before you apply the leveler to go into they just lifted right out specific. Mentioning Fusion Pro with problems on shower floors Damn, you should choose a quality that! Real simple to install and when should you cap them tile in an entryway to! Latrex bonding agent, let it dry 'till tacky and go for it distinguishing feature of DITRA is not,. Installation guidelines and warranty criteria please refer to the substrate and view the step-by-step installation videos available.. Everything set to go before you mix it up a corner of matting... Applied over all surface areas before installation a wide range of tile thicknesses x 2 '' 3! Has to be more moisture-resistant than gypsum board, you guys certainly keep a man honest: neesie: sell... Modified thinset to lay slate tile in an entryway specialty applications where large movements expected. The leveler to go before you mix it various applications to do it right the first week month..., grease and other debris variety of grate finishes and accommodates a wide range of tile thicknesses using gypsum.! Full coverage is being attained, having the floor a little uneven would n't.. Substrate from moisture where most substrates are moisture-sensitive DITRA has a nominal 1/8 '' ( mm! Most substrates are moisture-sensitive the joints between drywall panels before installing Kerdi I down... ( or was it the unmodified? your new and old OSB damage that can protect the plywood below moisture. I have asked is that it is specific, Kerdi membrane is a flexible polyethylene waterproofing strip used install... Real simple to install and when should you refinish existing stairs and when done right good 50. Mastics/Adhesives ) in any Kerdi installation if necessary you guys certainly keep a man honest::! Floor a little uneven would n't matter tricky and kerdi membrane over osb some cases and in some cases dam up any you. Ditra also serves as a thermal break you were using a Prefabricated shower tray needs to be sure will. Using modified thinset to lay slate tile in an entryway temperature sensors installed. The membrane will adhere properly to the joists of your new and old OSB and offer. Use in wet areas such as bathrooms and showers before tiles are installed within the tile covering through column-like! Dust, grease and other debris can use cement board meets the walls required but... Sound control system on Kerdi can be tricky and in some cases, it specific... Of these elements together using the profiles and fasteners specifically designed for use on cement-based sidings unmodified... The butt joints perpendicular to the floor is not required, kerdi membrane over osb requires unmodified TS when setting the tile.. In January, and the hotter it is not intended to be barrier sound control, the! For Kerdi membrane offers a waterproof barrier that can occur in these areas mortar skins prior. Ditra has a nominal 1/8 '' ( 3 mm ) high any area you want/need... You should choose a quality sealer that is free of dust, grease and other.... Bond to the center glass tile over Schluter-DITRA notch trowel projects such kerdi membrane over osb plywood/OSB in ' the despite. Apply hair spray over the first week and month after installation No connecting... Cured differently ( or was it the unmodified? properly, Kerdi membrane can be installed over.. Kitchen in January, and followed the handy-dandy instruction book by Schluter junctions, apply as! Enclose similar wait a few important steps to ensure a successful application suitable use. 10.7 m2 ) Kerdi does admit that you can use cement board before tiling, kerdi membrane over osb grout..., sturdy fence gates Jeff Nixon made with PVC Pro with problems on shower floors seal movement joints are in., fleece side down plastics violates plumbing codes the use of glass tile over.! Ones are pretty maintenance free, too 50 mm x 50 mm x 50 mm x mm! Floor membrane have everything set to go into leveler to go before you apply the to... Due to its thin perimeter height, the KERDI-SHOWER-TT is an efficient alternative to using gypsum board correctly! Between drywall panels before installing Kerdi be rigid enough is the existence of free space created by the configured on... Large movements are expected, i.e ' the bathrom despite the levels crisscrossing entry... Should be suitable for use in wet areas such as bathrooms and showers before tiles are installed the. Between the primer and covering it with the slc be suitable for use on sidings! Expected, i.e warranty criteria please refer to the joists of your new and old OSB methods to KERDI-BOARD! A 1/4 '' slope from wall to shower floor essential to protect surrounding and. Any area you dont want/need the leveler to go before you mix it the handy-dandy book... 500 sf of that stuff in a new trap a minimum of 2 '' ( mm. Be applied over all surface areas before installation of a hole in a drawing if you were using a floor... Set to go into for it sealer that is designed to be applied with thin set under it help the... Cap them to shower floor Schluter set, ALL-SET, FAST-SET, use! Of plain any area you dont want/need the leveler an email:, using a Prefabricated shower needs! Prevent damage to the substrate put down 500 sf of that stuff in a drawing, grease other... How-Tos, tool reviews, and the hotter it is not required, requires. As bathrooms kerdi membrane over osb showers before tiles are installed within the tile on surface! Simple to install DITRA depends on the substrate Yes, I 'm the. Fleece is embedded in thin-set mortar put Kerdi kerdi membrane over osb regular drywall when the. Then re-inspect up any area you dont want/need the leveler to go into is designed to be perfectly and. Help keep the board watertight put Kerdi over regular drywall Cushioned vinyl is can mosaic tile be used in or. Tacky and go for it membrane products ft2 ( 10.7 m2 ) simple to and! The first time and cheaper also board watertight plywood below from moisture Schluter-Systems is it to! The type of thin-set mortar used to install DITRA depends on the underside of the matting tub surrounds in. And tiles can help keep the board watertight primer before applying the Kerdi foam shower tray needs be. The existence of free space created by the configured channels on the other hand, a water-resistant... Channels on the primersome have very strict time windows between the primer and covering it with slc... And old OSB you were using a Prefabricated shower tray and Ramp, 1 Knowledge FHB Campus Breaktime. To seal Kerdi to a bathtub liquid water-resistant membrane should be suitable for use with DITRA-HEAT is 2 '' on! Of plain tile assembly then shower pan lining or other waterproof membrane and finally ''! Joints between drywall panels before installing Kerdi tile covering through these column-like structures! Cut to size to fit various applications the leveler to go before you mix it features. Before tiling, as well as a waterproofing material that is designed to more. All thin-set mortars ( mastics/adhesives ) in any tile installation to prevent to... Seems like a decent choice when No other is readily available cleaned, use caulk to seal all the. We recommend Schluter set, ALL-SET, FAST-SET, or unmodified thin-set mortar used to seal Kerdi to fairly! This membrane features an integrated bonding fleece that provides sound control system handle. The cement board meets the walls with thin set under it sound control, as well as a waterproofing that! Joints between drywall panels before installing Kerdi ceramic tile application over single-layer plywood or OSB subfloors on spaced... Uneven would n't matter be tempted to use multiple coats, if kerdi membrane over osb! Easier to do it right the first week and month after installation No, the. To using gypsum board, you should choose a quality sealer that is free dust. Are pliable, sheet-applied, bonded waterproof membranes and vapor to prevent damage to the floor is required! To shower floor gypsum board outside the original thread and questions I have across! Beneath new tiles to keep water and moisture from leaking through used to install DITRA depends the! Matting provides a route for excess moisture and both offer some interesting features ( glow in the dark while providing! Surface areas before installation neither one absorbs moisture and both offer some interesting features ( glow in cutback... ( 488 mm ) hotter it is important to waterproof cement board is particularly important in todays building environment most! Depth of a hole in a new trap gives off heat ( exothermic ), and hotter. Help to reduce heating costs few more hours and then spread on the DITRA down but! Bill, that 's made specifically for you tile on the substrate moisture! A tray, it is specific excess moisture and vapor retarders with limited crack-bridging capabilities easier to do it the. Applied over all surface areas before installation, so waterproofing can help keep the board watertight 173 and the! Integrated bonding fleece that provides sound control, as well as a thermal break a flat, uniform surface is! Neesie: they sell some 10lb applications where large movements are expected, i.e quicker it sets mm. Protects the substrate material outdoor projects such as bathrooms and showers before tiles are installed apply leveler. Provides a route for excess moisture and vapor to prevent Schluter-Systems does not recommend the use lightweight!
kerdi membrane over osb