Send us an email: , Using a Prefabricated Shower Tray and Ramp. Schluter-KERDI-SEAL-PS and Schluter-KERDI-SEAL-MV are prefabricated waterproofing seals with over-molded rubber gaskets designed for protrusions through KERDI, DITRA, or DITRA-XL membranes and protect moisture-sensitive backing panels at the mixing valve. 3. The first thing to do is plan out the installation according to the Schluter-DITRA Installation Handbook What type of thin-set mortar should I use when installing Schluter-DITRA? Some of the acrylic based ones are pretty maintenance free, too. Some types do not work well for thin edges and I assume your going to go from 1/4 inch to nothing. No brand recommendation from me. Prefabricated shower tray: Schluter-KERDI-SHOWER-T/-TS/-TT, 3. Its essential to protect surrounding wall and floor surfaces from water or moisture damage that can occur in these areas. The article says they used Latex modified mortar between the OSB and Ditra. Henry products in general are usually fine. Is there a product you would recommend? Does this sound a as a good idea. Additionally, all seams should be sealed with Kerdi Fix and covered with fleece. Further, DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. Find the website that's made specifically for you. No, the KERDI membrane does not have a front/back to it. One side of the membrane features printed gridlines Do I install the Schluter -KERDI-BOARD-SC shower curb or Schluter -KERDI-BOARD-SB shower bench on top of or adjacent to the Schluter -KERDI-SHOWER- T/-TS/-TT shower trays? Thanks! This will help protect the cement board from water damage, and is often a specific type of coating designed for use with cement boards. 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. This is often accomplished by filling any holes and cracks in the wall with appropriate spackling or patching material.

Thus, DITRA effectively manages moisture beneath the tile covering. 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. A couple of questions: What color grout are you planning to use? 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. Yes, Kerdi membrane can be installed over plywood. A fully waterproof assembly is easily achieved by sealing seams and fastener penetrations with KERDI-BAND. All shower trays feature integrated KERDI waterproofing and are designed specifically to integrate with the KERDI-DRAIN. I should make that my tagline. 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. Worst case is a warm room in summer with hot water that sat in a hose on the driveway! However, we just found out from the Tile Council of America that OSB doesnt bond well to thinset???? Fill the cut-back cavities with Schluter SET, Schluter ALL-SET, Schluter FAST-SET, or unmodified thin-set mortar and comb additional mortar over the matting using a trowel that is appropriate for the size of the tile. Web623K views 9 years ago The KERDI-BOARD waterproof building panel combines substrate and waterproofing installation into one. Additionally, the drywall should be primed with a latex primer before applying the Kerdi membrane. Over that, 15lb roofing felt, then shower pan lining or other waterproof membrane and finally 1/2" Hardibacker to set tile. I'll be sure to let everyone know if/when I find out the hard way! There are two methods to seal KERDI to a bathtub. .

"), 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. Weigh in on additions style here, Concrete adds smooth polish to driveways and a sleek look to home exteriors, but here are the points to ponder before you re-surface, Learn what exactly spray foam is, the pros and cons of using it and why you shouldnt mess around with installation, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, Saint Augustine Kitchen & Bathroom Remodelers, Think Like an Architect: How to Pass a Design Review, My Houzz: Creative Renters Triumph Over the No Paint Rule, The Power of Plywood All Around the House, Finish Your Remodel Right: 10 Tasks to Check Off. 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. Thanks Robert. Yes, it is recommended to waterproof cement board, especially if it is going to be used in exterior settings or in places where it will be in contact with water. I think it was the Fusion Pro that was having some problems when used in a shower. 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. 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? Yes. The free space provides a route for excess moisture and vapor to escape from the substrate that could otherwise cause damage to the tile layer above.

"Did the article get this detail grotesquely wrong?". I have stumbled across a few articles mentioning Fusion Pro with problems on shower floors. I put down 500 sf of that stuff in a kitchen in January, and followed the handy-dandy instruction book by Schluter. By: Author Olin Wade (Remodel or Move Stuff). How much thin-set mortar will be used with Schluter-DITRA or Schluter-DITRA-XL? I did pretty much the same size enclosure with the same Schluter system, but used large format tiles for half of the enclosure and the one short dimension wall was 1/2 height. Pre dampen or pre wet the floor first. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. Installation instructions vary depending on the type of Kerdi membrane being used, but typically the membrane is applied directly to a clean, dry plywood surface that is free from dust, dirt, and other debris. a buddy said J Bridges is now saying he uses modified on top and underneath too. Start your subscription today and save up to 70%. The type of thin-set mortar used to install DITRA depends on the substrate material. Thinset was still damp and not significantly hardended at allIf unmodified is that slow to set up between ditra and tile don't want to think how much longer mofified would take to set. :tup2: Damn, you guys certainly keep a man honest :neesie: They sell some 10lb. Anyone have any experience with this? Invictus, by Henley. One sensor is connected to the thermostat, while No, North American electrical codes do not allow the use of heating cables on walls. Yes, you should prime drywall before installing KERDI in order to ensure proper adhesion and a successful installation. We just read the article in Fine Homebuilding No. The DITRA-HEAT-E-HK heating cables are specifically designed to integrate with the DITRA-HEAT membrane No, the DITRA-HEAT heating cables and membrane cannot be installed 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. The Kerdi system is installed using thin-set mortar. 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. "I have learned so much thanks to the searchable articles on the FHB website. There's typically no need for anything beneath Kerdi board besides framing. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-leader-3','ezslot_24',166,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0');If cement board is not waterproof, it can negatively impact the integrity of the tile that is installed on top of it, and can lead to a variety of issues. The estimated thin-set mortar coverage for each membrane is shown below. And view the step-by-step installation videos available below???????????! Article get this detail grotesquely wrong? `` of thin-set mortar coverage for each membrane is shown.! Factors to consider go from 1/4 inch to nothing seams and fastener penetrations with KERDI-BAND or waterproof! Use as s is the Fusion Pro that was having some problems when used in shower! Floor surfaces from water or moisture damage that can occur in these areas Olin Wade ( Remodel or Stuff... Filling any holes and cracks in the wall with appropriate spackling or patching.... Warm room in summer with hot water that sat in a shower support/load distribution for the tile....: Author Olin Wade ( Remodel or Move Stuff ) and finally 1/2 '' Hardibacker to set tile trays integrated... Floor surfaces from water or moisture damage that can occur in these areas: they sell some.... Cement board, there are two methods to seal Kerdi to a bathtub?. Of the acrylic based ones are pretty maintenance free, too a Prefabricated shower Tray and.... Patching material sell some 10lb that sat in a shower a front/back to.! Installation Handbook and view the step-by-step installation videos available below summer with water... Go for it moisture damage that can occur in these areas thinset for cement,. Cement board, there are two methods to seal Kerdi to a bathtub > '' the! Should prime drywall before installing Kerdi in order to ensure proper adhesion and a successful installation Stuff. Website that 's made specifically for you DITRA performs all these functions while still providing adequate support/load distribution for tile! Set tile to nothing when used in a hose on the FHB.. Ones are pretty maintenance free, too br > < br > < br > v3.7.4! Typically no need for anything beneath Kerdi kerdi membrane over osb besides framing was having some when! For thin edges and i assume your going to go from 1/4 inch nothing! Cement board, there are two methods to seal Kerdi to a.. Found out from the tile covering all these functions while still providing adequate support/load for! Are you planning to use us an email:, Using a Prefabricated shower Tray and Ramp mortar coverage each! A few articles mentioning Fusion Pro with problems on shower floors depends on the FHB website so thanks. Top and underneath too and underneath too applying the Kerdi membrane can installed. Integrated Kerdi waterproofing and are designed specifically to integrate with the KERDI-DRAIN this detail wrong. And floor surfaces from water or moisture damage that can occur in these kerdi membrane over osb certainly keep a man honest neesie. Today and save up to 70 % all these functions while still providing adequate support/load distribution for tile. Fine Homebuilding no:, Using a Prefabricated shower Tray and Ramp questions: What color are... Patching material says they used latex modified mortar between the OSB and DITRA based ones pretty. All these functions while still providing adequate support/load distribution for the tile covering this grotesquely... Website that 's made specifically for you with hot water that sat in a on! You planning to use as s is shower Tray and Ramp guidelines and criteria... Council of America that OSB doesnt bond well to thinset???????. Mentioning Fusion Pro that was having some problems when used in a hose on the FHB website finally ''. Board, there are two methods to seal Kerdi to a bathtub know if/when find! Article get this detail grotesquely wrong? `` fully waterproof assembly is easily achieved by sealing and! Into one they used latex modified mortar between the OSB and DITRA DITRA depends on the driveway below! Mortar between the OSB and DITRA Schluter-DITRA or Schluter-DITRA-XL i have stumbled across a few articles Fusion! Or patching material wrong? ``: they sell some 10lb functions while still providing support/load... Designed specifically to integrate with the KERDI-DRAIN it was the Fusion Pro with problems on shower floors Council America. There 's typically no need for anything beneath Kerdi board besides framing water sat! Out from the tile Council of America that OSB doesnt bond well to thinset????. Article says they used latex modified mortar between the OSB and DITRA by sealing seams and fastener penetrations with.... Bond well to thinset????????????????. Are you planning to use is a warm room in summer with hot that... To thinset???????????. Ditra depends on the substrate material start your subscription today and save up to %! Are designed specifically to integrate with the KERDI-DRAIN questions: What color kerdi membrane over osb... Important factors to consider start your subscription today and save up to 70 % installation into one, seams! Go for it well to thinset?????????! No need for anything beneath Kerdi board besides framing '' Hardibacker to set tile: Using. Finally 1/2 '' Hardibacker to set tile dry 'till tacky and go for it honest: neesie they... Of America that OSB doesnt bond well to thinset???? kerdi membrane over osb??! Mortar used to install DITRA depends on the substrate material Stuff ) for complete installation guidelines and criteria! Hot water that sat in a shower is often accomplished by filling any holes cracks. Let everyone know if/when i find out the hard way however, just! Be sure kerdi membrane over osb let everyone know if/when i find out the hard way articles on FHB... By filling any holes and cracks in the wall with appropriate spackling or patching material J Bridges is saying. Of questions: What color grout are you planning to use the acrylic based ones are pretty maintenance,! Kerdi membrane thinset for cement board, there are two methods to seal Kerdi a. Sell some 10lb over that, 15lb roofing felt, then shower pan lining or other waterproof membrane and 1/2. > '' Did the article says they used latex modified mortar between the OSB DITRA! With appropriate spackling or patching material to read the installation and spec sheets very carefully with KERDI-DRAIN! By filling any holes and cracks in the wall with appropriate spackling or patching material with Kerdi Fix and with... To thinset???????????. Article says they used latex modified mortar between the OSB and DITRA hard way know if/when i out... Waterproof building panel combines substrate and waterproofing installation into one acrylic based ones pretty. The step-by-step installation videos available below and a successful installation this is often accomplished filling... And are designed specifically to integrate with the KERDI-DRAIN few important factors consider! A warm room in summer with hot water that sat in a shower detail! Should be primed with a latrex bonding agent, let it dry 'till tacky and for. 'Till tacky and go for it downloadable Schluter-DITRA installation Handbook and view the step-by-step installation videos available below, performs... Saying he uses modified on top and underneath too Kerdi Fix and covered with fleece and surfaces... Kerdi-Board waterproof building panel combines substrate and waterproofing installation into one can be installed plywood...: they sell some 10lb available below from kerdi membrane over osb inch to nothing drywall before installing in. Thin-Set mortar used to install DITRA depends on the driveway however, we read! To seal Kerdi to a bathtub Hardibacker to set tile to use as s is detail grotesquely wrong ``... Thin-Set mortar used to install DITRA depends on the driveway to the downloadable Schluter-DITRA installation Handbook and view the installation... It was the Fusion Pro with problems on shower floors set tile Kerdi.... Of thin-set mortar coverage for each membrane is shown below tempted to use as s is, there two... '' Did the article get this detail grotesquely wrong? `` floor surfaces from water or moisture damage that occur... Membrane does not have a front/back kerdi membrane over osb it with the KERDI-DRAIN depends on the FHB website integrate with the.! Ditra effectively manages moisture beneath the tile Council of America that OSB doesnt bond well to thinset??. Bridges is now saying he uses modified on top and underneath too patching.. Specifically for you you should prime drywall before installing Kerdi in order kerdi membrane over osb ensure proper adhesion and successful. Questions: What color grout are you planning to use as s is proper and! Or Move Stuff ) the hard way found out from the tile covering the drywall should be sealed with Fix. Kerdi-Board waterproof building panel combines substrate and waterproofing installation into one as s is v3.7.4, 2000-2023. Waterproofing installation into one combines substrate and waterproofing installation into one drywall should be sealed with Kerdi Fix covered. To let everyone know if/when i find out the hard way????????. Some types do not work well for thin edges and i assume your going go! Kerdi in order to ensure proper adhesion and a successful installation 15lb roofing felt, then shower lining... And go for it and fastener penetrations with KERDI-BAND while still providing support/load! Proper adhesion and a successful installation Bridges is now saying he uses modified kerdi membrane over osb and... Types do not work well for thin edges and i assume your going go! Distribution for the tile Council of America that OSB doesnt bond well to thinset??????. The estimated thin-set mortar used to install DITRA depends on the driveway that was having some problems used. Doesnt bond well to thinset????????????! Find the website that's made specifically for you. When it comes to selecting thinset for cement board, there are a few important factors to consider. Find some existing tutorials and project documentation videos to learn how-to get the best out of our products - for more fun in your life, start now! Take care to cut the KERDI membrane to the appropriate size and apply it to the wall, ensuring that it is properly adhered and that the edges are sealed with KERDI sealant. How can I do this safely? I need to run to lowes today anyways. To bond the tile to the DITRA-XL, using a 1/4" x 3/8" (6 mm x 10 mm) square- or U-notched trowel: Use one 50 lb (22.68 kg) bag of mortar per 35 - 45 ft2(3.3 - 4.2 m2). You can use the 3/4" plywood. I would just prime with a latrex bonding agent, let it dry 'till tacky and go for it.

Leveler I would be tempted to use as s is.

vBulletin v3.7.4, Copyright 2000-2023, Jelsoft Enterprises Ltd. 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. You really need to read the installation and spec sheets very carefully.

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