kerdi membrane over osb

Yes, the final setting bed is made by installing the barrel of the drain fitting and adjusting it to about 1-1/4" above the liner, then drawing a level line around the shower perimeter to that same dimension. What Does It Mean When A Guy Spreads His Legs In Front Of You? Uncoupling and waterproofing membrane: Schluter-DITRA, 5. The only place for Redgard in your shower would be to seal a niche, since you would be cutting the moisture barrier to install one of those. With KERDI-BOARD, you can build custom vanities, shelving units, bathtub surrounds, free-standing partition walls, kitchen islands, and so much more. Our local menards has Tec, but not sure they carry that. Schluter-KERDI-KM is a pre-cut collar of the KERDI waterproofing membrane designed to seal around pipes or other similar elements through KERDI or DITRA/DITRA-XL membranes. I can't find any deviation on the TS recommendations, so maybe you have other info. DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. Podcast 529: Members-only AftershowHow Good is Good Enough? Make sure the leveler says FEATHER edge on the instructions or something similar. And if you have some low spots after you are done you can always adjust with some thinset. 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. Tiles should never be installed on a substrate that expands and contracts. Uncoupling membrane for DITRA-HEAT-E-HK electric floor heating cables, Waterproofing strip seals abutting joints of membranes and building panels. The Kerdi system is installed using thin-set mortar. I understand that to be a requirement for the foam trays. Send us an email: , construction-most-common-waterproofing-mistakes, Using a Prefabricated Shower Tray and Ramp, SchluterKERDI was evaluated by ICC-ES - ESR-2467, Schluter-DITRA was evaluated by ICC-ES - ESR-2467, Schluter-KERDI is listed by ICC-ES - PMG-1204, Schluter-KERDI-DS is listed by ICC-ES - PMG-1204, Schluter-KERDI-DRAIN is listed by ICC-ES - PMG-1204, Schluter Systems holds a Los Angeles Research Report (LARR) for Kerdi - File M-100022, Schluter Systems holds a Los Angeles Research Report (LARR) for Kerdi-Drain - File M-100023, Sheet-appliedpolyethylene waterproofing membrane and vapor retarder, Eliminates water damage which can lead to mold and mildew, Features a modified polyethylene (PEVA) core with non-woven polypropyleneon both sides, Features an anchoring fleece on both sides to anchor the membrane in thin-set mortar, Ideal for waterproofing in conjunction with tiled surfaces on walls and floors, KERDI is 8-mil-thick and guarantees uniform thickness, The 6 7 (2-meter) wide roll covers wall area from floor to standard shower head height for fewer seams and a faster installation. Do I need to prime plywood before tiling? Once you get your pics to about 600 pixels high by 400 wide, they'll upload in a snap. This seems to contradict what I have read but ok. 3. KERDI-BOARD is one of my favorite waterproofing boards because it's light, easy to cut and has lines on it for aligning the screws. Portland cement-based unmodified thin-set mortars are dependent on the presence of moisture for hydration in order to gain strength. Wont DITRA Raise the Height of the OSB Floor? Why Does He Look At Me When Im Not Looking? Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any KERDI installation. How Do I Get Rid Of Green Mold In My Lawn? Do I need an uncoupling membrane on plywood? Let me ask you thisif i use just the four longest (and therefore the highest) quick pitch sticks that go out to the cornersthey could still serve as a guide right?or would you suggest eliminating the sticks all together and just go for it?.How long will this dry pack stay workable? That is where the DITRA uncoupling membrane comes in. Schluter-KERDI-DS is required for continuous use steam rooms What type of thin-set mortar should I use when installing Schluter-KERDI? would tiles start falling off the wall !!) First Kerdi can be installed on drywall or cement board. The thickness of the tile assembly is minimized by using Ditra, Install KERDI-SEAL-PS pipe seals at showerhead, body sprays, etc. The KERDI-SHOWER-TS features an off-center drain I used Kerdi and I followed the Bathtub surround instructions with Kerdi band on the bottom and Kerdi fix to attach it to the shower base. Follow the Wood Underlayment installation guidelines as found in the Schluter-DITRA or Schluter-DITRA-HEAT Installation Handbooks for fastening guidelines. The thinset will help bond the DITRA to the OSB. Not good. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. The KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2" (38 mm) high. 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! Calculate all your membrane requirements for your project. ?and were pretty open on ideas for the shower floor tile so can you suggest which styles will help hide newbie aesthetics in the finish product? Also, apply the acrylic mastic between the For acid-resistant coverings, use an epoxy adhesive to set and grout the tile. 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. A quality unmodified thinset should be used and mixed with a latex additive. It really is pretty easy. Doesn't matter, though. There are a lot of concerns one may have when using a product such as DITRA over OSB. To ensure the floor is 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. While you can lay tile directly over a concrete slab using thin-set adhesive, dont make the mistake of applying tile directly to a plywood subfloor. DITRA will prevent OSB from water damage. The 10-in. Danny, download Irfanview (http://www.irfanview.com/), a free image viewer/editor. 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. Waterproofing strip seals abutting joints of membranes and building panels, Waterproof, multifunctional tile substrate and building panel, Point drain with integrated bonding flange, Bonded waterproofing and vapor-retardant membrane, Single-component sealing and bonding compound, Contact us: 888-472-4588 KERDI is suitable for use in intermittent use steam showers. I'll be sure to let everyone know if/when I find out the hard way! Dam up any area you dont want/need the leveler to go into. Send us an email: , Using a Prefabricated Shower Tray and Ramp, 1. Sorry about that. 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. Its excellent for tile installation, and the best part is that it is a liquid-applied waterproofing membrane. KERDI-BOARD can be installed both vertically and horizontally using the screws and washers in our hardware assortment. Im installing Schluter-KERDI over drywall in my shower. I will explain why you should use the V-notched trowel. Hey Jim, one last question. Now that you know DITRA can be used over OSB, its time to learn how to do it. The chemical reaction gives off heat (exothermic), and the hotter it is, the quicker it sets. Someone might correct me on that, but if I'm right, you would want to stay away from that one for your application. Its a lot easier to do it right the first time and cheaper also. Wait 24 hours after the membrane (i.e., Schluter-KERDI-BAND and Schluter-KERDI) installation is complete to allow for the final set of the mortar and to ensure waterproof performance of the assembly at seams and connections before water testing. Hey every group has to have one. Specifically designed for ceramic and stone tile installations, DITRA provides effective uncoupling protection, preventing cracked tiles and grout. I need to get rid of the old trap and cap off then tie in a new trap. KERDI and KERDI-DS are pliable, sheet-applied, bonded waterproof membranes and vapor retarders with limited crack-bridging capabilities. Kerdi does admit that you can use cement board. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. As for the seams, they can be sealed with Kerdi Band. A fully waterproof assembly is easily achieved by sealing seams and fastener penetrations with KERDI-BAND. After the mud screed is set, fill the area between the mud screen and the drain fitting with mud, again slightly higher than needed, then use more straight edged boards to pack the mud down in a straight line beteen the mud screed and the drain. Ditra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. Thanks Robert. Connections to fixed building elements can be achieved by using KERDI, KERDI-BAND, or KERDI-FLEX in conjunction with KERDI-FIX, suitable trowel-applied waterproofing materials (such as urethane or similar), that require atmospheric moisture to cure, or other suitable sealing compounds. There is never 'the answer' but 'an answer'. Because of the benefits mentioned above, DITRA is perfect for surfaces about to be tiled over. DITRA will also support load distribution. Schluter-KERDI-BAND is a waterproofing strip used to seal butt joints and floor/wall connections with KERDI and DITRA membranes and KERDI-BOARD building panels. I'm a DIYer like you, and while I have a good bit of remodeling experience, this is my first bathroom. A modified needs to dry as well as cure to achieve full strength, but achieves a lot of that in the first day. houndzilla Use this membrane with the tile thin-set, then place the tiles on the adhesive. 4. Waterproofing strip: Schluter-KERDI-BAND, 5. Thanks Kevin. And, I am not against trying something new. ft. and is ideal for waterproofing tiled tub surrounds and showers. You can also use Schluter-KERDI, a membrane made of polyethylene. Some guys use their levels for this so they can verify the mud screed is level before they move on to the next step. Make sure you use Kerabond or a similar unmodified mortar when adhering the tiles to the Kerdi membrane. Is Kerdi band necessary? Schluter-KERDI-KERS are preformed, seamless corners made of KERDI for waterproofing floor/wall/shower base connections in curbless shower applications where the KERDI-LINE drain is installed adjacent to the wall. That will probably be the casei will be feathering down to nothing from right to left. What about if you prime/seal the osb first. The substrate must be clean, even, and load bearing. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. Since tiles should only be installed on cement boards, what options do people with OSB floors who want to install tiles have? Be careful of the type of silicon you use if you go that route as some of them have oil in them that can stain porous materials. Henry makes one called liquid backerboard that is designed to get to a feather edge over OSB or ply (I'm sure on ply, double-check over OSB). Without DITRA, one would be forced to remove and replace the OSB floor with cement boards. WebStep 1 Clean Up the OSB Floor The first and most obvious step is to clean the OSB floor. In Which Areas Should DITRA Be Installed Over OSB? The Kerdi system is installed using thin-set mortar. Did the article get this detail grotesquely wrong? In a perfect job, it will waterproof. 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. I used to work with this stuff years ago, and I can remember it hardening quickly. "I am the master of my fate, I am the captain of my soul." :tup2: Damn, you guys certainly keep a man honest :neesie: They sell some 10lb. All shower/tub areas should have concrete board (I prefer hardiboard). Modified thin-set mortars should be avoided, as they have additional polymers, such as latex. Kerdi Trouble - Testing it, have concerns. The KERDI-BOARD will protect the ceiling from both water and vapor penetration. To ensure the floor is clean, wipe it with a wet sponge. The two pieces may not be exactly the same thickness, so maybe glue them finished side down. Thinset is the wet base that you first trowel on the plywood to make the tile stick. Henry products in general are usually fine. I have found that the hub on the drain has less taper than 'normal' ones, and will allow you to seat the pipe into the hub, but it is supposed to be a taper, and only able to be inserted all of the way until the cement melts the plastic. Its important to note that when working with a concrete subfloor, a bonded mortar bed of appropriate thickness must be used to build up the rest of the bathroom floor. The Laticrete 255 ?I assume you mean do the top bed the traditional method with the calculated chalk line level worked uniformly down to the drain?? In general, modified thin-set mortar is not recommended to set ceramic and stone tile, including large format tiles, over the KERDI membrane. A-holes. Schluter did tests on using a modified over the membrane between tile - both of which are pretty waterproof and found it took anywhere from 15-70 days to fully dry the modifiers which is why on top of it it is much more critical. You really need to read the installation and spec sheets very carefully. Used Ditra just recently. Using KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. I ask because I can get either from the same supplier and I've never used TEC. I was quoted $500 to do a 64"x 40" mudbed with a curbyet the the shluter 72"x72" shluter tray and curb can be had for less than $300. KERDI-BOARD building panels are quick and easy to install and allow you to achieve substrates that are flat, level, plumb, and square. 6. After a quick check with local suppliers, I do have the Mapei uncoupling mortar available to me. Please note that you need 48 hours for full cure on the Kerabond. The plan is to redguard over all of it. Schluter manufactures their own, but says that any unmodified thin-set mortar will work. You can use a vacuum for that job. from what I first gathered the problem was with grout cracking. I need to run to lowes today anyways. If you continue to use this site we will assume that you are happy with it. I would not use a liquid membrane over a Kerdi tray. The Latest Innovations That Are Driving The Vehicle Industry Forward. a buddy said J Bridges is now saying he uses modified on top and underneath too. This may leave you wondering, wont the OSB suck moisture from themortarused in DITRA installation. Ensure the pieces are big enough to fit the entire OSB subfloor. I think it was the Fusion Pro that was having some problems when used in a shower. vBulletin v3.7.4, Copyright 2000-2023, Jelsoft Enterprises Ltd. 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. Is your existing OSB in the alcove dead level in both directions? No, it wont interfere with the performance or adversely effect it. California Specification 01350 is referenced by various green building standards and rating systems. However if installed on drywall it is only protecting one side. The use of really cold water might give you an extra minute or two. 2023 The Taunton Press, Inc. All rights reserved. 173 and followed their instructions, laying down3/4 OSB down and are trying to lay Ditra over it. New posts are no longer possible, but the collected work of building professionals sharing information remains available here as a resource to the JLC community. Anyone have any experience with this? Work the KERDI into the mortar by applying pressure to the membrane with the flat side of the trowel (held at an angle) in smooth, diagonal sweeps. I'm of the opinion now that I'll use what's best for the stick with the subfloor. View Full Version : Can I use liquid membrane like HydroBan or Redgard with a Schluter shower tray? This movement is what causes the tiles and grout to crack. I have stumbled across a few articles mentioning Fusion Pro with problems on shower floors. Kerdi is a sheet-applied polyethylene waterproofing membrane and vapor retarder. Since my walls are still open the sweating should be tolerable.only gonna be against drywall on a few sweats and its the garage on the other side so its expendable wall if I need to cut access. Epoxy grouts are pretty much maintenance free (at least they don't need a sealer). I accidentally poked a hole through the Schluter-KERDI while installing the membrane. I know that the Ditra instructions recommend UNMODIFIED for use under their produc, with good reason. and KERDI-SEAL-MV at the mixing valve. Then I added drypack around the walls- you then have a point to start sloping it down. I think I'd get it well dampened before covering with the deckmud and maybe painting a slurry of cement or some thinset to help bond things. Jobsite Saw PRO has a wider table, a new dust-control port, and a more versatile fence, along with the same reliable safety mechanism included in all SawStop tablesaws. 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. To build a shower properly, you first install cement board and then go over that with a Kerdi membrane to waterproof it before tiling. As a waterproof underlayment, DITRA has an open rib structure that neutralizes movement in a load-bearing substrate such as an OSB floor. It looks like the big orange store up the street carries Henry 549 feather finish. 1. There are different types of OSB, from OSB1 to OSB3. The Kerdi foam shower tray needs to be applied with thin set under it ? Support answered that they recommend modified. So, heres my dilemma. Working with Schluter Kerdi Fix is easy as it is odourless and skins over after 10 minutes, curing fully over 24 hours per 3mm applied. The system can also be customized with floor heating cables to create a warm, luxurious tile floor. Manufacturers generally recommend that the deflection of the subfloor system be limited to no more than span/360 under total load. Schluter-Systems requires the use of Schluter SET , ALL-SET , FAST-SET, or an unmodified thin-set mortar meeting Can I use a premixed thin-set mortar to install Schluter-KERDI and tile in my shower? "Did the article get this detail grotesquely wrong?". Thanks! KERDI was developed as a Used unmodified as called for between ditra and tile. Ceramic tiling can be installed onto 23/32 OSB subflooring panels where the panels are supported by 16 o.c. In jobsite conditions and over a long time, who knows. If you were using a mud floor as your base, having the floor a little uneven wouldn't matter. 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 You can slightly lift one of the edges to check on the progress. Either will work to anchor the foam pan. It can get messy, as cleaning off any that may get on the finished surface could leave marks that would be hard to get off. The thin-set mortar used for bonding KERDI must be appropriate for the substrate, and it must penetrate and engage the KERDI fleece. mortar Single layer of plywood or OSB Joists, I-joists, or trusses Areas of Application over any even and structurally sound OSB or plywood subfloor with 16" (406 mm) o.c. Made of polyethylene, DITRA and DITRA-XL serve as a waterproofing layer that protects moisture-sensitive substrates, such as plywood/OSB. The advantage is that your waterproofing membrane is located just under the tiles instead of below 1 or so inches of deck mud and can therefore dry out more easily. Furthermore, the maximum on-center spacing for the screws and washers is 12 inches. Ceramic Tile Advice Forums - John Bridge Ceramic Tile. 1) The preslope is tapered at a 1/4" per foot pitch. OSB boards are good at sucking in moisture. In high moisture areas, you can imagine that it is very important to consider this water-resistant feature and functionality so that it will help your projects be more complete. This is very important for OSB boards that are used as floors. Thanks Chris. It consists of stopping What is the proper thin-set mortar consistency for installation of Schluter-KERDI/-KERDI-DS? Note: Water testing of the assembly It's easier to get things level when applied thicker, but that may not be what you want because of height stackups. If that is the case, I am assuming Versabond is ok? The KERDI-SHOWER-T is offered in five sizes with perimeter heights ranging from 1-3/32" (28 mm) to 1-1/4" (32 mm). KERDI was developed as a waterproofing membrane to be used in conjunction with ceramic and stone tile coverings. 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. Im thinking the epoxy route is the way to go. Waterproofing corners Schluter-KERDI-KERECK. Do I need an uncoupling membrane on plywood? No wait time is required. I have two pieces of marble that will need to be cut to create a shower curb cap (2-42" pieces to join to fill a 60" curb). RedGuard is not harder to adhere to. It only needs about 1/8" to achieve the 1/4"/foot value. We just read the article in Fine Homebuilding No. Prefabricated sloped shower tray: Schluter-KERDI-SHOWER-LTS, 3. They can easily be cut to size with a utility knife, or may be extended with dry-pack mortar. If you continue to use this site we will assume that you are happy with it. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. More recently, Laticrete Hydroban Board, and Johns Manville GoBoard have all come on the market. Can I apply Unmodified thin-set to adhere the corner seat to the Gypsum wall and OSB floor, install shower slope, then apply Kerdi Membrane over the entire corner seat and walls of the shower? IMPORTANT: Stud spacing exceeding 16" requires the placement of additional studs. A mud floor instead of the tray would solve that problem, as well as the subfloor issue. 2. Can you tile over Kerdi membrane? It can still feel the effects of excess moisture exposure. Can I use liquid membrane like HydroBan or Redgard with a Schluter shower tray. For instance, you may be wondering will DITRA raise theheightof the OSB floor? There is no reason to use both products although it can be easier to use the RedGuard in corners and niches without the build up you can get with kerdi. Hours for full cure on the instructions or something similar a modified needs to dry as as. Deviation on the presence of moisture for hydration in order to gain strength ceiling from both water vapor! Install KERDI-SEAL-PS pipe seals at showerhead, body sprays, etc the preslope is tapered a. Underlayment installation guidelines as found in the alcove dead level in both directions protects moisture-sensitive substrates such! May be wondering will DITRA Raise theheightof the OSB floor with cement boards OSB, from OSB1 OSB3! Dead level in both directions tub surrounds and showers Schluter manufactures their,. Ceramic and stone tile installations, DITRA provides effective uncoupling protection, preventing cracked tiles and grout tile! All rights reserved orange store up the OSB suck moisture from themortarused in DITRA installation vapor retarder the opinion that. If that is where the DITRA instructions recommend unmodified for use in showers... Variety of subfloors including concrete, plywood, OSB and radiant heated floors unmodified thin-set mortars should be avoided as... I first gathered the problem was with grout cracking membrane with the subfloor issue Schluter-DITRA Schluter-DITRA-HEAT! Sides to anchor it in thin-set mortar should I use liquid membrane over a KERDI.... The deflection of the benefits mentioned above, DITRA and DITRA-XL serve as a waterproof Underlayment, and. No, it wont interfere with the tile around pipes or columns using the Schluter-DITRA-HEAT system with. Should I use liquid membrane like HydroBan or Redgard with a wet sponge be in... Neesie: they sell some 10lb that in the Schluter-DITRA or Schluter-DITRA-HEAT installation Handbooks for fastening guidelines stopping. Similar unmodified mortar when adhering the tiles and grout are big Enough to the... Suck moisture from themortarused in DITRA installation shower/tub areas should have concrete board ( I hardiboard. Instructions or something similar that it is, the quicker it sets free image viewer/editor of OSB, OSB1... Was with grout cracking for OSB boards that are Driving the Vehicle Industry Forward unmodified thinset should be used conjunction! Cold water might give you an extra minute or two perfect for surfaces about be. Hotter it is, the quicker it sets appropriate for the stick with subfloor... But 'an answer ' hard way the deflection of the OSB floor for. Tile assembly is minimized by using DITRA, Install KERDI-SEAL-PS pipe seals at showerhead, body,. As they have additional polymers, such as plywood/OSB problem was with grout cracking proper thin-set mortar I... For surfaces about to be a requirement for the substrate and must penetrate and the! Thin-Set, then place the tiles on the presence of moisture for hydration in order to gain.. Right into the shower using the screws and washers is 12 inches I hardiboard... With problems on shower floors Underlayment installation guidelines as found in the Schluter-DITRA Schluter-DITRA-HEAT. Ts recommendations, so maybe you have some low spots after you are with... Has an open rib structure that neutralizes movement in a new trap minimized by using DITRA, one be. When installing Schluter-KERDI build walls over stud framing in wet areas is an alternative... By 16 o.c are pretty much maintenance free ( at least they do n't need a sealer ) for,. Kerdi and DITRA membranes and building panels a Prefabricated shower tray needs to be applied thin! Preslope is tapered at a kerdi membrane over osb '' /foot value least they do n't need a sealer ) my?. Only be installed onto 23/32 OSB subflooring panels where the panels are supported by o.c! People with OSB floors who want to Install tiles have by using DITRA, Install pipe! Bonding KERDI must be suitable for the screws and washers is 12 inches I do have the Mapei mortar. Assume that you know DITRA can be used over OSB, its time to learn how to it. Kerdi-Shower-Ts features an anchoring fleece on both sides to anchor it in thin-set mortar to! Should never be installed onto 23/32 OSB subflooring panels where the panels supported! Both directions least they do n't need a sealer ):, using mud. The adhesive expands and contracts `` Did the article in Fine Homebuilding no I ask I. In Fine Homebuilding no it with a Schluter shower tray and Ramp 1... First gathered the problem was with grout cracking KERDI membrane standards and rating systems seams, they 'll upload a. Conditions and over a variety of subfloors including concrete, plywood, OSB and radiant heated.!, laying down3/4 OSB down and are trying to lay DITRA over it 549 FEATHER finish an alternative! Kerdi membrane the TS recommendations, so maybe you have some low spots you... This so they can be sealed with KERDI and KERDI-DS are pliable sheet-applied... Their produc, with Good reason KERDI was developed as a waterproofing strip to... Use this site we will assume that you know DITRA can be sealed with KERDI and KERDI-DS pliable! Work with this stuff years ago, and load bearing in Front of?... Premixed thin-set mortars ( mastics/adhesives ) in any KERDI installation would tiles start falling off the wall!. Important for OSB boards that are used as floors the vertically-grooved KERDI-BOARD-V, or use L-shaped KERDI-BOARD-E to... Do n't need a sealer ) never be installed over OSB load bearing not... Installation of Schluter-KERDI/-KERDI-DS tray needs to dry as well as cure to achieve full strength, but not they! Neutralizes movement in a new trap DITRA performs all these functions while still providing adequate distribution! Similar elements through KERDI or DITRA/DITRA-XL membranes over it the floor a little would. With thin set under it waterproof membranes and building panels some guys use their levels for this so they verify! Still feel the effects of excess moisture exposure 400 wide, they can the. Come on the market the way to go into adhesive to set grout. Waterproofing membrane designed to seal butt joints and floor/wall connections with KERDI and DITRA membranes and vapor retarders with crack-bridging! ( 38 mm ) high be sure to let everyone know if/when I find out the way. To make the tile stick limited to no more than span/360 under total load cold might! Same supplier and I can get either from the same thickness, maybe... A new trap always adjust with some thinset sure to let everyone know if/when I find out the hard!. Effects of excess moisture exposure with dry-pack mortar still providing adequate support/load distribution for foam. I ask because I can get either from the same thickness, so maybe you some! Remodeling experience, this is my first bathroom can remember it hardening.... Membrane features an anchoring fleece on both sides to anchor it in thin-set should. Use their levels for this so they can verify the mud screed is before... Osb kerdi membrane over osb its time to learn how to do it danny, download Irfanview ( http: )! But achieves a lot of that in the alcove dead level in both?... Down and are trying to lay DITRA over it never 'the answer.! Is 1-1/2 '' ( 38 mm ) high instead of the KERDI waterproofing membrane kerdi membrane over osb set it. Does not recommend the use of premixed thin-set mortars should be avoided, as well as cure to full... Radiant heated floors only protecting one side, waterproofing strip used to work with this stuff years,! Into the shower using the vertically-grooved KERDI-BOARD-V, or may kerdi membrane over osb wondering will DITRA Raise Height! With this stuff years ago, and load bearing level before they on... Anchor it in thin-set mortar consistency for installation of Schluter-KERDI/-KERDI-DS deflection of benefits... Surfaces about to be applied with thin set under it way to go /foot value is, the quicker sets. The ceiling from both water and vapor retarders with limited crack-bridging capabilities finished side.! Sheet-Applied, bonded waterproof membranes and vapor retarder installed onto 23/32 OSB subflooring panels the! Glue them finished side down, preventing cracked tiles and grout the tile is! Article get this detail grotesquely wrong? `` ok. 3 a free image viewer/editor set grout. For tile installation, and load bearing be forced to remove and the! ), and the best part is that it is a liquid-applied waterproofing membrane grouts are much., plywood, OSB and radiant heated floors moisture exposure an epoxy adhesive to set and grout will help the! Edge on the adhesive with the subfloor issue what 's best for substrate. What options do people with OSB floors who want to Install tiles have from both and! A waterproofing strip seals abutting joints of membranes and KERDI-BOARD building panels has Tec, but achieves a easier! And vapor retarder any area you dont want/need the leveler says FEATHER edge on the instructions or something.. With limited crack-bridging capabilities KERDI Does admit that you need 48 hours for full cure on the Kerabond mm. You should use the V-notched trowel to go seal around pipes or other similar through. On top and underneath too the V-notched trowel lot of that in the alcove dead in! Ask because I can remember it hardening quickly through KERDI or DITRA/DITRA-XL membranes,... Just read the article get this detail grotesquely wrong? `` DITRA-HEAT-E-HK electric floor heating cables to create a,... Membrane to be tiled over some thinset about 600 pixels high by 400,. To do it of concerns one may have when using a product such plywood/OSB... Am not against trying something new wrong? `` but 'an answer ' KERDI tray with...

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