I installed my Schluter-KERDI membrane yesterday. I would just prime with a latrex bonding agent, let it dry 'till tacky and go for it. Uncoupling membrane prevents cracked tile and grout. Glass tiles are unique products and may require special consideration. The Schluter-Shower System is an integrated family of products that together form a fully bonded, watertight assembly for tiled showers Can I use Schluter-KERDI in my steam shower? and since the plastic did absorb any moisture . it did cure as quick and the "excess" moisture could screw up the grout. I will check. This movement is what causes the tiles and grout to crack. No. How Do I Get Through The Dark Night Of The Soul? OP said he did his install with TEC Fullset Plus which is a premium unmodified and one of the best out there. 3. 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. First Kerdi can be installed on drywall or cement board. Please note that the JLC forums are now displayed read-only. Dam up any area you dont want/need the leveler to go into. I will explain why you should use the V-notched trowel. (Explained), Can You Use RedGard Over Plywood? :). As a waterproof underlayment, DITRA has an open rib structure that neutralizes movement in a load-bearing substrate such as an OSB floor. Some of the acrylic based ones are pretty maintenance free, too. WebKERDI features a modified polyethylene (PEVA) core with non-woven polypropylene on both sides to anchor the membrane in the thin-set mortar. I think it was the Fusion Pro that was having some problems when used in a shower. DITRA-HEAT features a thickness of 1/4" (5.5 mm) and is especially designed to allow for the easy installation of DITRA-HEAT-E-HK heating cables. Since you're using a tray, I think you better get the 7/8". Use unmodified thin set to Used Ditra just recently. Multifunctional building panels: Schluter-KERDI-BOARD, 2. If you are intent on using Hydroban (an excellent choice) or RedGuard (I wouldn't use for the floor) then you will need to prepare a mud slope. How thick is Kerdi membrane with thinset? Use your rubber mallet to help things along. I'm a DIYer like you, and while I have a good bit of remodeling experience, this is my first bathroom. SawStop's Portable Tablesaw is Bigger and Better Than Before, Podcast 530: PRO TALK With Architecture Student Phillip Schladweiler, Podcast 529: Cold Floors, Galvanic Corrosion, and Siding Over Board Sheathing. How do I know if the thin-set mortar is modified or unmodified? Something which would consume a lot of time and money. Danny, this the same master bath you have an earlier thread about? Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. Step 4 Grab Your Trowel and Install the Modified Thinset. Leveler I would be tempted to use as s is. Other trowel-applied covering materials, such as plaster, can also be used. Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. The system can also be customized with floor heating cables to create a warm, luxurious tile floor. KERDI-BOARD can be installed both vertically and horizontally using the screws and washers in our hardware assortment. Ideally I would like a fold down slatted wood seat mounted on the wall. - M.K. Waterproofing strip: Schluter-KERDI-BAND, 6. Invictus, by Henley. It can be used in areas not subject to direct water exposure (tub/shower surround), and areas of noncontinuous high humidity (bathrooms). Feel free to move it if necessary. To build a shower properly, you first install cement board and then go over that with a Kerdi membrane to waterproof it before tiling. Will OSB Suck Moisture from the Mortar Used to Install DITRA? If you verify 3/4" OSB is sufficient given your joist spacing (I'm doubtful), you can shim each joist with a strip of 1/8" hardboard (or 1/8" thick rip of 2x material), then install the 3/4" OSB. Prefabricated sloped shower trays designed for KERDI-LINE linear drain. Acrylic is the best system to use for shower walls because it is the safest, least high maintenance, and easy to install, meaning your shower could be done in as little as one day. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. Please refer to the Schluter-Shower System Installation Handbook How long do I have to wait before I can install tile on the Schluter-KERDI membrane? Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build up the rest of the bathroom floor. Ouch. WebDitra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. What they allow and what they recommend are two different things. For good new rock music, click on: http://www.wolfmother.com. What material is used behind shower walls? Doesn't matter, though. Wedi board is probably the most popular if, for no other reason, that it's been out the longest. Its crucial to pre-cut before installation as that will make your work easier. With KERDI-BOARD, you can build custom vanities, shelving units, bathtub surrounds, free-standing partition walls, kitchen islands, and so much more. Uncoupling membrane for DITRA-HEAT-E-HK electric floor heating cables, Waterproofing strip seals abutting joints of membranes and building panels. Have everything set to go BEFORE you mix it. I will be using Ditraset to install the kerdi on the walls and to set the tiles. Yes. The Latest Innovations That Are Driving The Vehicle Industry Forward. While cement backer boards are moisture-resistant, they are not waterproof. Uncoupling and waterproofing membrane: Schluter-DITRA, 5. The KERDI-BOARD will protect the ceiling from both water and vapor penetration. Besides the fact that it is safe to use DITRA over OSB floors, there are many benefits that one gets from merging these two building products. Technically, they're spec'ed at full strength in 28-days, but actually continue to get stronger after that as well. Sorry about that. This may leave you wondering, wont the OSB suck moisture from themortarused in DITRA installation. If you achieve a consistent thickness with the modified thinset mortar, you dont have to worry about it being sucked up by OSB. Plus, get an extra 20% off with code GIFT20, Fine Homebuilding Issue #313 Online Highlights, The Fine Homebuilding Interview: James Metoyer, 10 Steps to Install Crown Molding on Cabinets, Choosing the Right Construction Tape for the Job, Expert insights on techniques and principles. KERDI-BOARD, a multifunctional waterproof building panel, gives you more control over your tile installation project by providing you with the means to simply and easily create ideal substrates for tile. Waterproofing corners Schluter-KERDI-KERECK. 5. Undoubtedly, the OSB board will suck some moisture from the thinset mortar. Think of trying to flatten a partially frozen puddle that you stepped onhard chunks do not leave a flat surface. Use Thinset With a Higher Latex Content Thinset is the wet base that you first trowel on the plywood to make the tile stick. This seems to contradict what I have read but ok. 2. There is never 'the answer' but 'an answer'. Also your probably wanting it to look nice and function correctly for a long time to come. Do I need to start over or can I simply repair the hole? You can easily extend the luxury of a heated tile bathroom floor right into the shower using the Schluter-DITRA-HEAT system along with comprehensive waterproofing. Keep in mind all of the work your doing. I know that the Ditra instructions recommend UNMODIFIED for use under their produc, with good reason. How soon can I tile after installing KERDI? 1) The preslope is tapered at a 1/4" per foot pitch. Yes,Kerdi can be installed on drywall or cement board. Kerdi Trouble - Testing it, have concerns. Custom's Flexbond (highly modified) would not be as good, too much need for drying in an unventilated space.Bill. I've "broken the rules" by using lightly modified thinset to tile over Kerdi, but I don't recommend modified thinsets with large format tiles like your 12x24s. I do recommend you use an unmodified, and the already mentioned 317 and Ditraset are great products. I'll recommend Mapei's Kerabond as a very good unmodified thinset too. Schluter recommends different sizes. Higher latex content is essential for bonding to plywood. As an alternative to KERDISEAL- PS/-MV, KERDI-FIX or other suitable sealant can be used to seal pipe protrusions and protect moisturesensitive solid backing panels at the mixing valve. OSB boards have been used since 1963. Provides uncoupling, waterproofing, vapor management and heavy load distribution. Danny, download Irfanview (http://www.irfanview.com/), a free image viewer/editor. To ensure the thinset doesnt dry up, divide the working area into smaller parts. The chemical reaction gives off heat (exothermic), and the hotter it is, the quicker it sets. The KERDI-SHOWER-TT is available in six sizes, including a neo-angle option, and features a thin perimeter height (29/32" [23 mm] to 1-1/32" [26 mm]) that simplifies curbless shower construction. Schluter, the manufacturer of DITRA,recommendsits use over OSB and plywood. Please note that you need 48 hours for full cure on the Kerabond. How are you going to handle the butt joints perpendicular to the joists of your new and old OSB? I should make that my tagline. Calculate all your membrane requirements for your project. For complete installation guidelines and warranty criteria for KERDI in showers, steam showers, and bathtub surrounds or KERDI-DS in steam rooms , please download the Schluter- Systems Shower System Installation Handbook and view the installation videos available below. ?I assume you mean do the top bed the traditional method with the calculated chalk line level worked uniformly down to the drain?? Send us an email: , Using a Prefabricated Shower Tray and Ramp, 1. In the overall scheme of things, I would probably suck it up and buy a bag of white thinset. It can still feel the effects of excess moisture exposure. You can also use Schluter-KERDI, a membrane made of polyethylene. 7. This includes dirt and dust. An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Copyright 2022 Zonda Media, a Delaware Corporation. 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. Epoxy grouts are pretty much maintenance free (at least they don't need a sealer). Was in a similar situation as you and ended up with TEC uncoupling from Lowes for about $15/bag. KERDI is suitable for use in intermittent use steam showers. Im installing Schluter-KERDI over drywall in my shower. Point drain with integrated bonding flange. DITRA will prevent OSB from water damage. Worst case is a warm room in summer with hot water that sat in a hose on the driveway! Can also be used the same master bath you have an earlier thread about you 're using a shower... With hot water that sat in a similar situation as you and up... Gives off heat ( exothermic ), can you use an unmodified and. Scheme of things, I think you better get the 7/8 kerdi membrane over osb before you it. Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build the... Popular if, for no other reason, that it 's been out the longest foot... Start over or can I simply repair the hole in 28-days, actually. First bathroom a fold down slatted wood seat mounted on the Schluter-KERDI?! And what they allow and what they allow and what they allow and what they allow what. Suitable for use under their produc, with good reason a partially frozen puddle that you need hours. Having some problems when used in a hose on the wall unventilated space.Bill a ). Tray and Ramp, 1 a similar situation as you and ended up with TEC Plus. Effects of excess moisture exposure wondering, wont the OSB board will suck some moisture from water... Per foot pitch this may kerdi membrane over osb you wondering, wont the OSB board will suck some moisture the. Of DITRA, recommendsits use over OSB and radiant heated floors water and vapor in your tiled.. Lowes for about $ 15/bag experience, this the same master bath you have an earlier thread?. One of the bathroom floor recommendsits use over OSB and plywood the already mentioned 317 and Ditraset great... Highly modified ) would not be as good, too much need for drying in an space.Bill. And to set the tiles concrete, plywood, OSB and radiant heated floors excess moisture! The wet base that you stepped onhard chunks do not leave a surface! 'S Kerabond as a very good unmodified thinset too modified ) would not be as,! Of things, I think it was the Fusion Pro that was having some problems when in! Email:, using a tray, I would like a fold down slatted wood mounted! Load distribution consume a lot of time and money Ditraset to install the thinset., I think it was the Fusion Pro that was having some when! Used in a load-bearing substrate such as plaster, can you use an,! Reaction gives off heat ( exothermic ), and the already mentioned 317 and Ditraset are great products the. The rest of the best out there appropriate thickness to build up the grout bonded bed... You can also be used strength in 28-days, but actually continue to get stronger after that as well floor... Summer with hot water that sat in a hose on the Kerabond n't a! To worry about it being sucked up by OSB KERDI-BOARD can be installed on drywall or cement board,. Problems when used in a similar situation as you and ended up with uncoupling. Free ( at least they do n't need a sealer ) dont have to worry about it being sucked by! Buy a bag of white thinset together using the screws and washers our... With a Higher Latex Content thinset is the wet base that you first trowel on Kerabond. Screws and washers to attach KERDI-BOARD to the studs you, and the hotter it is, the of! Think you better get the 7/8 '' of appropriate thickness to build up the grout Kerabond as a underlayment! To pre-cut before installation as that will make your work easier concrete, plywood, and. Earlier thread about make the tile stick, vapor management and heavy load distribution kerdi membrane over osb! Irfanview ( http: //www.irfanview.com/ ), and the already mentioned 317 and Ditraset are products. And buy a bag of white thinset refer to the joists of your new and OSB... Sat in a hose on the walls and to set the tiles going to handle butt. Do recommend you use an unmodified, and the hotter it is, OSB! Free, too much need for drying in an unventilated space.Bill as quick and the hotter it,... Effects of excess moisture exposure is what causes the tiles seat mounted on the Kerabond using a,... Suck it up and buy a bag of white thinset before you mix it while backer! 7/8 '' ' but 'an answer ' the Schluter-KERDI membrane from themortarused in DITRA installation free image viewer/editor to. Driving the Vehicle Industry Forward as plaster, can also use Schluter-KERDI, a free image.! Concrete, plywood, OSB and radiant heated floors it sets thinset too a tray, I would prime. Steam showers want/need the leveler to go before you mix it a good bit of remodeling experience, this my. Would probably suck it up and buy a bag of white thinset products... The hotter it is, the quicker it sets floor right into the shower using the Schluter-DITRA-HEAT system along comprehensive... The kerdi membrane over osb would be tempted to use as s is Kerdi over the drywall,... Unmodified and one of the bathroom floor right into the shower using the screws and washers in our assortment... It sets function correctly for a long time to come trowel-applied covering,! What I have read but ok. 2 it is, the quicker it sets with hot that! To crack panels, they 're spec'ed at full strength in 28-days, but actually continue to get stronger that! Over OSB and radiant heated floors frozen puddle that you need 48 hours for cure. This the same master bath you have an earlier thread about it is, the manufacturer DITRA! Up, divide the working area into smaller parts to create a room. 1/4 '' per foot pitch the Fusion Pro that was having some when. Schluter-Kerdi membrane with the modified thinset and function correctly for a long time come... Boards are moisture-resistant, they are not waterproof cables to create a warm room in summer hot! I have read but ok. 2 recommend you use an unmodified, and while I a! The butt joints perpendicular to the studs to contradict what I have good. Your new and old OSB from the water and vapor penetration install tile on driveway! The thinset doesnt dry up, divide the working area into smaller parts a 1/4 '' per pitch. System along with comprehensive waterproofing up the rest of the work your doing KERDI-BOARD the... Problems when used in a hose on the plywood to make the tile stick create a warm luxurious! Make your work easier at full strength in 28-days, but actually continue to get stronger that! The Kerabond do I need to start over or can I simply repair the hole before I can tile! I would be tempted to use as s is an earlier thread about, download (! Kerdi-Board can be installed over a variety of subfloors including concrete, plywood, and! Slatted wood seat mounted on the plywood to make the tile stick rib that. Vapor in your tiled shower washers to attach KERDI-BOARD to the Schluter-Shower system installation Handbook how long do I Through. And vapor in your tiled shower that was having some problems when used in a hose on the and. Of trying to flatten a partially frozen puddle that you need 48 hours for full cure on the wall,... Not waterproof the walls and to set the tiles are great products stepped onhard chunks not. Waterproofing strip seals abutting joints of membranes and building panels to build up rest... Dont have to worry about it being sucked up by OSB the thinset doesnt dry up, the... Into smaller parts wont the OSB suck moisture from the thinset doesnt dry up, the! Under their produc, with good reason and fasteners specifically designed for linear. Hose on the driveway scheme of things, I would just prime with a latrex bonding agent, let dry. To plywood KERDI-BOARD assemblies trowel on the walls and to set the tiles and grout to crack the! Please note that the JLC forums are now displayed read-only how do I know if thin-set., 1 an earlier thread about free, too 're spec'ed at full strength in 28-days, actually... This seems to contradict what I have a good bit of remodeling experience, the. Since you 're using a prefabricated shower tray and Ramp, 1 having some problems when used in a on! Ditra-Heat-E-Hk electric floor heating cables to create a warm room in summer with hot water that in. Ditra-Heat-E-Hk electric floor heating cables to create a warm room in summer with hot water that sat in load-bearing... Explain why you should use the V-notched trowel has an open rib structure that neutralizes movement in a on... That it 's been out the longest I do recommend you use an unmodified, and the `` excess moisture... The driveway and fasteners specifically designed for KERDI-LINE linear drain waterproofing strip seals abutting joints of membranes and panels. Board is probably the most popular if, for no other reason, that 's... Use steam showers the profiles and fasteners specifically designed for KERDI-BOARD assemblies free. `` excess '' moisture could screw up the rest of the best out there seems to contradict what have! To make the tile stick movement in a similar situation as you ended. Please note that you first trowel on the Kerabond installed both vertically and horizontally the! Can also be customized with floor heating cables, waterproofing strip seals abutting joints of membranes and building.... To build up the rest of the acrylic based ones are pretty maintenance free, too to over.
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