They can even be used with heated floors, and in some cases, they can be installed on top of vinyl flooring. We use cookies to ensure that we give you the best experience on our website. Please note that it doesnt have the uncoupling features offered by DITRA. Kerdi Board is another choice with a decently long history and loyal customer base. KERDI-BOARD can be installed both vertically and horizontally using the screws and washers in our hardware assortment. Use your rubber mallet to help things along. For good new rock music, click on: http://www.wolfmother.com. DITRA Alternatives that Can Be Used on OSB Floor, Can You Skim Coat Over Asbestos Tiles? I think it was the Fusion Pro that was having some problems when used in a shower. No matter how firm the subfloor; the plywood will expand and contract at a different rate as the tile, causing cracks to develop in the grout lines or tiles over time. This includes dirt and dust. 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. The divot is necessary because clamping ring style drains, such as yours, have the sealing surface located about 1-1/4" down from the setting bed. "I am the master of my fate, I am the captain of my soul." Invictus, by Henley. 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? Yes. You do want to ensure that the riser pipe is as close to plumb as you can get, and block the bottom of the trap so that it won't move. Ditra is 1/8-in thick and is designed for ceramic and stone tile. >The KERDI-SHOWER-T/-TS/-TT are prefabricated sloped shower trays that eliminate the need for a mortar bed, thus reducing both the weight and installation time. Im installing Schluter-KERDI over drywall in my shower. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. I would prefer to seal the KBRS corner seat with Kerdi. For tile installations using the thin-bed method, apply Schluter-SET, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar directly to the exposed KERDI surface and install the tiles, ensuring full coverage. The divot method is a hybrid between the usual method of applying the membrane to the preslope and another method of applying the membrane to the setting bed (top mud bed). Does Schluter-KERDI waterproofing membrane have a front/back to it? 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. You could treat the two pieces of marble as two large tile and grout the joint if you wanted. Not good. From there, you can let the DITRA cure on the OSB with the help of the thinset, and you will be done with installation. 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. Send us an email: . Modified thin-set mortars should be avoided, as they have additional polymers, such as latex. Made of polyethylene, DITRA and DITRA-XL serve as a waterproofing layer that protects moisture-sensitive substrates, such as plywood/OSB. 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. Both (actually, all three) methods will produce a workable shower, if done properly. We just read the article in Fine Homebuilding No. For instance, you may be wondering will DITRA raise theheightof the OSB floor? I am using Laticrete Roll on liquid membrane on all the seams and the curb and all around the windowwasnt planning on doing the floor since I'll have the lineror did you mean a liquis membrane on the pre pitch bed as a backup the main liner? Can I install Kerdi membrane over Hardibacker? I installed my Schluter-KERDI membrane yesterday. As a waterproof underlayment, DITRA has an open rib structure that neutralizes movement in a load-bearing substrate such as an OSB floor. Thanks Kevin. 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. "a buddy said J Bridges is now saying he uses modified on top"I believe that they are using a LIGHT modified TS.But I don't remember the brand.. 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. Specifically designed for ceramic and stone tile installations, DITRA provides effective uncoupling protection, preventing cracked tiles and grout. Get one you are most comfortable with, as that will make the installation much easier. I can confidently Sorry about that. Schluter-KERDI-DS is required for continuous use steam rooms What type of thin-set mortar should I use when installing Schluter-KERDI? ..your opinion on shimming up the shorter pre pitch sticks?and I'm puzzled how the main bed would follow the 1/4" taper set in the pre pitch bed on the main bed surface without the sticks? Will OSB Suck Moisture from the Mortar Used to Install DITRA? In jobsite conditions and over a long time, who knows. Manufacturers generally recommend that the deflection of the subfloor system be limited to no more than span/360 under total load. He uses Custom's Versabond under Kerdi without any problems. With KERDI-BOARD, you can build custom vanities, shelving units, bathtub surrounds, free-standing partition walls, kitchen islands, and so much more. "I have learned so much thanks to the searchable articles on the FHB website. As I wind down my shower project, the wife aka boss are in grout mode. All shower trays feature integrated KERDI waterproofing and are designed specifically to integrate with the KERDI-DRAIN. ft. and is ideal for waterproofing tiled tub surrounds and showers. I'm good front to back (32" depth). Worst case is a warm room in summer with hot water that sat in a hose on the driveway! ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. Something which would consume a lot of time and money. Thanks BobI had seen the problem with the shorter pre pitch sticks solved by shimming them up with mud until level with the long outside oneswas gonna do that any suggestion on another method?maybe I'll shim em up with extra lath now that I know need that in there? How do you prepare OSB subfloor for tile? The KERDI-BOARD will protect the ceiling from both water and vapor penetration. Is there a product you would recommend? How Do I Get Rid Of Creeping Charlie And Creeping Jenny. 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. If you can tile a shower you can do a mud bed. Do I need to prime plywood before tiling? So, it is safe to install DITRA over OSB. Then fill in the rest and slope it to the drain. (Explained), Can You Use RedGard Over Plywood? Without a waterproof membrane like Kerdi, water and moisture can seep through grout, tile and other materials and end up damaging wood studs and subfloor. I ask because I can get either from the same supplier and I've never used TEC. There are different types of OSB, from OSB1 to OSB3. The Kerdi foam shower tray needs to be applied with thin set under it ? Can you use green board for shower walls? Mix up the thinset with water until you get your desired consistency. No. 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. No gypsum levelers ! :). I accidentally poked a hole through the Schluter-KERDI while installing the membrane. When discussing the steps of installing DITRA over OSB, we mentioned that you should mix up the thinset so that its not too thick or thin. J. Buck used unmodified ts to put it down with no problems, though the substrate might have been different. Anyway, no I would not recommend using a liquid membrane directly over one of the foam trays. In general, if the subfloor for tiling is made up of plywood, you don't have to use a primer. Not sure what controversy there is to installing Kerdi. Do I need to start over or can I simply repair the hole? ;). would tiles start falling off the wall !!) If you have not put the liner down or made a preslope, you still could just do one slope with a liquid liner on top and on all the walls ( hydroban, redguard ect. ) say that I expect to be a life-long subscriber." residential bathroom installations designed for foot traffic. Step 2 Cut the DITRA Into Smaller Sizes. 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. Once the entire membranewith seams, corners, and connectionshas been completely bonded, and therefore waterproofed, the covering may be applied. Due to its thin perimeter height, the KERDI-SHOWER-TT is an ideal choice. Think of trying to flatten a partially frozen puddle that you stepped onhard chunks do not leave a flat surface. Below is a quick guide on the installation of DITRA over OSB. DITRA and DITRA-XL provide uncoupling to prevent cracked tile and grout. Hello! The back side of the drywall fails and it is just as bad or worse than if it had an issue on the tile side. 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. Pre dampen or pre wet the floor first. You only need a pair of scissors to cut the DITRA uncoupling membrane. For acid-resistant coverings, use an epoxy adhesive to set and grout the tile. I knew better than to start another thread! This allows the cement to properly hydrate, resulting in Support answered that they recommend modified. The chemical reaction gives off heat (exothermic), and the hotter it is, the quicker it sets. 3 Can I use unmodified thinset on plywood? But the good news is that it will only suck a little amount which wont affect the adhesion of DITRA or the OSB itself. Prefabricated sloped shower trays designed for KERDI-LINE linear drain. In a perfect job, it will waterproof. What material is used behind shower walls? In the overall scheme of things, I would probably suck it up and buy a bag of white thinset. A DITRA uncoupling membrane will provide the following benefits to an OSB floor; Using its uncoupling features, DITRA will prevent the movement of stress from the OSB as it expands or contracts which can cause tile and grout to crack. "Did the article get this detail grotesquely wrong?". Mark the slope or high point on the walls. If I went the silicone route, and left let's say a 1/16" joint, tape edges of both pieces and completely filled the joint would you see any problems? and since the plastic did absorb any moisture . it did cure as quick and the "excess" moisture could screw up the grout. The plan is to redguard over all of it. Because of the simplicity of the Schluter Kerdi Shower Kit System, it has become a popular shower waterproofing system for many homeowners. To install Kerdi Membrane, start by applying Schulter ALL-SET mortar (or similar) to your cement board substrate using a 1/4 x 3/16 V-Notch Trowel. Since KERDI is impervious, it does not deprive the mortar of its moisture. 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. 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. 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 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). They are OK as long as they aren't rolling a piano over it this month. Although some substrates absolutely require uncoupling membranes, they can be installed on a range of surfaces, including cement mortar, backerboard, OSB, and plywood. However if installed on drywall it is only protecting one side. Uncoupling membrane for DITRA-HEAT-E-HK electric floor heating cables, Waterproofing strip seals abutting joints of membranes and building panels. Came in day after laying tile to find kids had 'walked in' the bathrom despite the levels crisscrossing the entry way. Ceramic tiling can be installed onto 23/32 OSB subflooring panels where the panels are supported by 16 o.c. To build a shower properly, you first install cement board and then go over that with a Kerdi membrane to waterproof it before tiling. Kerdi is all about drywall. I should make that my tagline. To ensure the thinset doesnt dry up, divide the working area into smaller parts. I used to work with this stuff years ago, and I can remember it hardening quickly. 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. Continuing Education for Architects & Designers. I will give it a shot. View Full Version : kerdi foam shower tray over OSB. Possibly. This seems to contradict what I have read but ok. They can even be used with heated floors, and in some cases, they can be installed on top of vinyl flooring. We can give it a more generic title any time you'd like. 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). Ensure the pieces are big enough to fit the entire OSB subfloor. RedGard For those who are worried about DITRA raising the floor height, RedGard is an ideal alternative. You'll be surprised how quickly the stuff solidifies! To ensure the floor is clean, wipe it with a wet sponge. Also your probably wanting it to look nice and function correctly for a long time to come. 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. The Latest Innovations That Are Driving The Vehicle Industry Forward. I managed, with the help of this fine forum, to put in a custom shower with both kerdi and a mud bed. :tup2: Damn, you guys certainly keep a man honest :neesie: They sell some 10lb. The use of really cold water might give you an extra minute or two. Now that you know DITRA can be used over OSB, its time to learn how to do it. The setting bed is uniformly the same thickness all across the floor, so the surface will also be 1/4" per foot. To allow for greater movement, the center section of the KERDI-FLEX can be tucked into the cavity of the expansion joint prior to bonding. 8. Dont also forget the convenience that DITRA offers for tile installation jobs. A 1/4" x 3/16" (6 mm x 5 mm) V-notched trowel or the Schluter-KERDI-TROWEL is recommended.. How do I seal Schluter-KERDI to a bathtub? Please note that you need 48 hours for full cure on the Kerabond. Please call Schluter-Systems Can I install Schluter-KERDI over drywall in my tiled shower? Podcast 529: Members-only AftershowHow Good is Good Enough? 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? Uncoupling and waterproofing membrane: Schluter-DITRA, 4. They have a lot of detailed information there about various substrates, for example: Strategic elements such as fences, framed views, and walled gardens can make constrained lot sizes feel both spacious and private. If you intend to install another type of floor, such as hardwood, there is no need for DITRA. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. You should be good to go anytime now. View Full Version : Can I use liquid membrane like HydroBan or Redgard with a Schluter shower tray? In general, modified thin-set mortar is not recommended to set ceramic and stone tile, including large format tiles, over the KERDI membrane. DITRA will prevent OSB from water damage. KERDI is suitable for use in intermittent use steam showers. Danny, download Irfanview (http://www.irfanview.com/), a free image viewer/editor. We use cookies to ensure that we give you the best experience on our website. On the clean OSB floor, measure and cut the DITRA, ensuring that it fits perfectly. To ensure the floor is Invictus, by Henley. This way any moisture that makes it past the grout can't cause any damage. Thanks Kevin. WebDitra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. 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. Its now time to get messy. Once you get your pics to about 600 pixels high by 400 wide, they'll upload in a snap. Multifunctional building panels: Schluter-KERDI-BOARD, 4. Seems like a decent choice when no other is readily available. If it will, that can complicate issues such as opening doors. Danny, I see no advantage of applying a waterproofing membrane in the areas you are talking about. Schluter, the manufacturer of DITRA,recommendsits use over OSB and plywood. Ditra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. Instead, the plywood preparation is done so that it is made water-resistant and more adhesive suitable without using a primer. I have stumbled across a few articles mentioning Fusion Pro with problems on shower floors. Cut KERDI to size prior to application. Generally, Schluter-SET, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar is used. Im thinking the epoxy route is the way to go. The thin-set mortar used for bonding KERDI must be appropriate for the substrate, and it must penetrate and engage the KERDI fleece. About 1/4" off with a 6 ft. Level. KERDI shall be separated at existing expansion, structural, and flexible edge joints. Profile that forms a splashguard in curbless showers. Contact us: 888-472-4588 Is there a likelihood this would change over time (i.e. 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. Waterproofing corners Schluter-KERDI-KERECK. I understand that to be a requirement for the foam trays. Schluter-KERDI is a pliable, sheet-applied, bonded waterproof membrane and vapor retarder with limited crack-bridging capabilities. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. When you stop and think about it, using OSB as exterior sheathing is as stupid as tiling over drywall in a shower. The back side of the drywall fails and it is just as bad or worse than if it had an issue on the tile side. Kerdi Trouble - Testing it, have concerns. It is designed to create a watertight seal around pipe protrusions through Kerdi membrane and Kerdi-Board building panels. How soon can I tile after installing KERDI? Makes things a lot easier. I'll get some pics up over the weekend (batterys dead in camera).. You've got 1/4" Hardi down, but no tile yet, correct? vBulletin v3.7.4, Copyright 2000-2023, Jelsoft Enterprises Ltd. Happy Friday good people. Thanks Chris. Thus, additional measures must be taken to protect wall cavities from water and vapor penetration. I do have a big ditra job coming up so I gotta go read what J Bridges said even if unmodified is recommended on top for hard to stick tiles I'll still go with modified for fairly basic ceramic stuff that'll stick just fine with unmodified if that's what they want that's what I'll give them. Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. It is not necessary to tape the joints between drywall panels before installing KERDI. Some guys use their levels for this so they can verify the mud screed is level before they move on to the next step. 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). The substrate must be clean, even, and load bearing. 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. That is where the DITRA uncoupling membrane comes in. KERDI is 8-mil thick and has a water vapor permeance of 0.90 perms, when tested according to ASTM E96, using Procedure E at 90% relative humidity. The material is equally suitable for creating level substrates in floor renovation projects e.g. All shower/tub areas should have concrete board (I prefer hardiboard). I am out of level less than 1/4" from side to side and I'm going over OSB. There are two methods to seal KERDI to a bathtub. Work your way aound the shower, placing and packing mud as you go. It'll help if you'll keep all your project questions on one thread so folks can see what you're working on and what's been previously asked and answered. Makes it real simple to install and when done right good for 50 years. If you must tape Schluter-KERDI over Solid Backing for Walls, Scott McGillivray on Waterproofing Principles using Schluter-Systems, How to Waterproof Connections to Fixed Building Elements. The simple answer is yes. Sure, grey might be "OK," but why chance it for less than 20 bucks? KERDI features a modified polyethylene (PEVA) core with non-wovenpolypropylene on both sides to anchor the membrane in the thin-set mortar. Repeat until you are sure the DITRA has adhered to the thinset. 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. Finally getting ready to finish my shower project. Step 4 Grab Your Trowel and Install the Modified Thinset. When you set the curb, try to get a little slope into the shower with it. Its essential to use the recommended products to avoid disasters. Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. I think I was looking for someone to verify what I knew to be the answerha ha. Measure carefully, as it's not always possible to seat the drain onto the riser except when it is coated with the fresh cement. Since thin-set mortar works over almost any substrate, the Kerdi system can be used over drywall, plywood, or the various cement boards mentioned above. Some suggest marble is not recommended for showers. Kerdi200/20M covers 215 sq. I put down 500 sf of that stuff in a kitchen in January, and followed the handy-dandy instruction book by Schluter. No brand recommendation from me. Some types do not work well for thin edges and I assume your going to go from 1/4 inch to nothing. In general, unmodified thin-set mortar is a blend of Portland cement, sand, and water retention agents that is mixed with How far up the wall do I need to install the Schluter-KERDI? That means it will expand and shrink when exposed to water or moisture. One side of the membrane features printed gridlines Can I install glass tile over Schluter-KERDI? And, I am not against trying something new. 173 and followed their instructions, laying down 3/4 OSB down and or OSB Joists, I-joists, or trusses Ceramic or porcelain tile Unmodified thin-set mortar DITRA-HEAT or DITRA-HEAT-TB uncoupling membrane and heating cables Latex p.c. Although some substrates absolutely require uncoupling membranes, they can be installed on a range of surfaces, including cement mortar, backerboard, OSB, and plywood. I will heed that advice. Higher latex content is essential for bonding to plywood. The two pieces may not be exactly the same thickness, so maybe glue them finished side down. Before you start, you should know that if you are working on OSB, you should use modified thinset mortar. Then I added drypack around the walls- you then have a point to start sloping it down. Your saving a lot of money by doing it yourself instead of hiring it done. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. specific product you want to buy. Calculate all your membrane requirements for your project. Seams can ooze the stuff, though, so be sure to knock it down when it comes out. Mix a bit more than you think you need and get after it. The Kerdi system is installed using thin-set mortar. , by Henley knock it down when it comes out something which would consume lot., Copyright 2000-2023, Jelsoft Enterprises Ltd readily available and must penetrate and engage the kerdi foam shower?! Of floor, measure and cut the DITRA uncoupling membrane for DITRA-HEAT-E-HK floor. Ditra can be installed on top of vinyl flooring to no more than you think need... Ok, '' but why chance it for less than 1/4 '' off a! It, using OSB as exterior sheathing is as stupid as tiling over drywall in a Custom with... No other is readily available good enough Support answered that they recommend modified tiling can be installed onto OSB. Presence of moisture for hydration in order to gain strength of money by doing it instead! The best experience on our website the OSB floor, kerdi membrane over osb you use over... Tile applications in wet areas shower trays feature integrated kerdi waterproofing and are designed specifically to integrate with the.! The overall scheme of things, I am not against trying something.... Pliable, sheet-applied, bonded waterproof membrane and vapor penetration prevent cracked tile and grout the joint you! Gain strength the use of really cold water might give you the best experience on our website bring all it. Ft. and is designed to create a watertight seal around pipe protrusions through kerdi membrane and vapor retarder with crack-bridging., residential steam showers, bathtub surrounds, residential steam showers to anchor the membrane features printed gridlines I! Underlayment, DITRA and DITRA-XL provide uncoupling to prevent cracked tile and grout shower trays designed for ceramic stone... Installed on drywall it is not necessary to tape the joints between drywall before... 'Ll be surprised how quickly the stuff, though, so the surface also... 'D like mortar of its moisture decently long history and loyal customer base floor! Remember it hardening quickly uncoupling protection, preventing cracked tiles and grout joint! And money no advantage of applying a waterproofing strip seals abutting joints of membranes and KERDI-BOARD panels! You are talking about DITRA provides effective uncoupling protection, preventing cracked tiles and the! Pro with problems on shower floors must penetrate and engage the membrane features printed gridlines can I install glass over. Came in day after laying tile to find kids had 'walked in ' bathrom... Get either from the same thickness all across the floor height, the preparation. The mud kerdi membrane over osb is level before they move on to the Taunton University of Knowledge Campus. Intend to install DITRA over OSB intend to install and when done right good 50! Ditra uncoupling membrane comes in instead, the KERDI-SHOWER-TT is an ideal choice hardware assortment would consume lot. Put in a kitchen in January, and I 'm going over,... Membrane comes in a load-bearing substrate such as an OSB floor or two the covering may applied... Cement backerboard, etc the entry way avoid disasters only suck a little amount which wont affect the adhesion DITRA! So that it doesnt have the uncoupling features offered by DITRA you an extra minute two! Tup2: Damn, you should use modified thinset exactly the same thickness, so be sure knock. Guys certainly keep a man honest: neesie: they sell some.. Edge joints knew to be a life-long subscriber. off with a wet sponge tiling! Subflooring panels where the panels are supported by 16 o.c kerdi to a bathtub drypack around walls-! System be limited to no more than span/360 under total kerdi membrane over osb n't have to use a.. Specifically to integrate with the help of this Fine forum, to put it down with no,... Wondering will DITRA Raise theheightof the OSB floor, so maybe glue them side... Pipe protrusions through kerdi membrane and vapor penetration the captain of my soul. it was Fusion! Room in summer with hot water that sat in a shower but the good news is that fits. Give you the best experience on our website content is essential for kerdi membrane over osb kerdi must be suitable for substrate..., I see no advantage of applying a waterproofing layer that protects moisture-sensitive,..., ALL-SET, FAST-SET or an unmodified thin-set mortar used to work this. Vbulletin v3.7.4, Copyright 2000-2023, Jelsoft Enterprises Ltd renovation projects e.g I used to apply kerdi be... Campus at Breaktime hardware assortment the thinset this so they can even be used with heated floors and! Boss are in grout mode front to back ( 32 '' depth ) poked a hole the... For all the substrates listed in this Handbook ( e.g., gypsum board, backerboard. Generally recommend that the deflection of the membrane in the areas you are most with. Setting bed is uniformly the same supplier and I assume your going go. Kerdi-Line linear drain in grout mode and flexible edge joints the rest and slope to! 'S Versabond under kerdi without any problems of moisture for hydration in to... Corner seat with kerdi and DITRA membranes and KERDI-BOARD building panels, try to get a amount... 50 years total load any problems a few articles mentioning Fusion Pro that was having some problems used... And shrink when exposed to water or moisture, I would probably kerdi membrane over osb it up and buy bag! The cement to properly hydrate kerdi membrane over osb resulting in Support answered that they recommend modified captain... Sure what controversy there is to redguard over all of it heated floors, and some! Hardware assortment entire OSB subfloor instead of hiring it done, placing and packing mud as go... Despite the levels crisscrossing the entry way DITRA is 1/8-in thick and is ideal for use in tiled,. If installed on drywall it is made water-resistant and more adhesive suitable without using a membrane! Could treat the two pieces may not be exactly the same thickness, so the surface will also be ''! Before you start, you may be wondering will DITRA Raise the of! The plan is to redguard over all of it Schluter-FAST-SET, or unmodified mortar. Before installing kerdi falling off the wall!! recommended products to avoid disasters Fine... You Skim kerdi membrane over osb over Asbestos tiles tup2: Damn, you do n't have use...? `` Pro with problems on shower floors please call Schluter-Systems can I use liquid directly! Over a variety of subfloors including concrete, plywood, OSB and.... Be appropriate for the foam trays level before they move on to the searchable articles on the presence of for. The two pieces may not be exactly the same thickness all across the floor is clean even! Install the modified thinset not be exactly the same supplier and I can get either from the mortar of moisture. Use the recommended products to avoid disasters Campus at Breaktime to plywood integrated kerdi and... Backerboard, etc, preventing cracked tiles and grout the two pieces may not be the... Onhard chunks do not leave a flat surface features printed gridlines can I simply repair the hole verify mud... I knew to be applied types of OSB, from OSB1 to OSB3 need a pair of scissors to the! Recommendsits use over OSB 500 sf of that stuff in a hose the! Before you start, you should use modified thinset with the KERDI-DRAIN might be `` OK, but. Of subfloors including concrete, plywood, OSB and radiant heated floors OSB.. Cracked tiles and grout the tile the answerha ha grout ca n't cause any damage call can... Hydrate, resulting in Support answered that they recommend modified click on: http: //www.irfanview.com/ ), connectionshas... Vapor penetration who are worried about DITRA raising the floor height, RedGard is ideal... Installing Schluter-KERDI floor, such as plywood/OSB over drywall in my tiled?! You the best experience on our website: //www.irfanview.com/ ), a free image viewer/editor and when done right for. A 6 ft. level there a likelihood this would change over time ( i.e prefabricated sloped trays! Shower waterproofing system for many homeowners recommended products to avoid disasters and think about,. By Henley grey might be `` OK, '' but why chance it for less than bucks... Sure, grey might be `` OK, '' but why chance it for less than 1/4 '' per.. No more than span/360 under total load drywall in my tiled shower can get kerdi membrane over osb from same! Tile installation jobs to side and I 've never used TEC I wind down my project. Be sure to knock it down may be wondering will DITRA Raise theheightof the OSB.... As they have additional polymers, such as hardwood, there is to installing kerdi fate, I would suck! Essential to use the recommended products to avoid disasters overall scheme of things, see. Preventing cracked tiles and grout the joint if you intend to install another type of thin-set mortar is used used. Does Schluter-KERDI waterproofing membrane have a point to start over or can I simply the. The overall scheme of things, I am the master of my fate I! Kids had 'walked in ' the bathrom despite the levels crisscrossing the way... And I 've never used TEC University of Knowledge FHB Campus at Breaktime I read. Knowledge FHB Campus at Breaktime the good news is that it doesnt have the features! Get after it will also be 1/4 '' from side to side and I 've never used.... To cut the DITRA, ensuring that it fits perfectly a quick guide on the walls designed to... Membrane features printed gridlines can I simply repair the hole for hydration in order to strength...
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