Different options and thicknesses of DITRA membrane are available to best suit the needs of your project. The space appears too small to utilize the OSB for any rustic aesthetic quality! Also Know, can you use Schluter Ditra on walls? I am using Kerdi-Board for the three walls of showerI think 1/2 inch OSB on studs with Kerdi-Board will add strength and rigidity to my shower walls. ®-KERDI waterproofing membrane over solid backing • Thickness: 8 mil (0.2 mm) • Pliable, easy to install, and guarantees uniform thickness for reliable performance • Suitable for use in showers, bathtub surrounds, and intermittent-use steam showers Schluter ®-KERDI-DS waterproofing membrane over solid backing • Thickness: 20 mil (0.5 mm) The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. What you use over the single layer of substrate will be determined by the product you want to apply OVER the substrate. Sheet-applied polyethylene waterproofing membrane and vapor retarder. Schluter®-KERDI is a pliable, sheet-applied, bonded waterproof membrane and vapor retarder with limited crack-bridging capabilities. On the floor, I recommend plywood instead of OSB as the substrate for the Kerdi Tray. It is made of polyethylene creating a waterproofing layer protecting the substrate. Seems odd to me. DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. 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). Use cement board on the walls. The 3/4" hardwood will add together with the 3/4" plywood = 1 1/2" = identical to your main house floor level. ft. and is ideal for waterproofing tiled tub surrounds and showers. DITRA-XL allows for ceramic tile application over single-layer plywood/OSB subfloors on joists spaced up to 24" (610mm) o.c. DITRA® over: Plywood/OSB X √ ... fill the cavities in the membrane. Schluter Systems Ditra Ceramic Tile Underlayment By the Square Foot. The product is 3.29 ft or 39.5in wide for calculating square footage. DITRA-HEAT-DUO features an integrated bonding fleece that provides sound control, as well as a thermal break. Floor drain with integrated bonding flange. On the floor, I recommend plywood instead of OSB as the substrate for the Kerdi Tray. 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. I can use Ditra over OSB board with spacing of joists up to 19" o.c. As a contractor, you know that you could make this a model masterpiece but the description above is meant to be a quick, easy fix, yet pleasing to the eye of any beholder! Check out the video for those details. The previous small-diamond-on-webbacking ceramic tile was installed directly over the hardwood over 30 years ago without any cracking. Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. 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 floor in the hallway rises in the middle about 2 inches, other rooms probably more, but they are a lot larger. Support answered that they recommend modified. For single-layer plywood subfloors installed over 19.2" (480 mm) o.c. • The mortar to install the KERDI waterproofing membrane and accessories must be fairly fluid in consistency, but still able to hold a notch. Even with wetting the hardibacker first, the unmodified thin-set mortar seems to dry so quickly that it is hard to get a good bond. For single-layer plywood subfloors installed over 16" (400 mm) o.c. If that is the case, I am assuming Versabond is ok? On the walls, 1/2" Kerdi Board can go right over the studs. If your floor needs to be reinforced, reinforce the joists by sistering them and adding blocking, then top that with 3/4" plywood. Waterproofing corners Schluter®-KERDI-KERECK. Ditra-XL is an uncoupling membrane designed for ceramic and stone tile installations on floors. Nailing or gluing to OSB is a pain that leads to FULL FAILURE in a very short amount of time. 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 shouldn’t mess around with installation, 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. With the KERDI-SHOWER-TT thin shower tray on a wood subfloor, you can build up the rest of the bathroom floor by installing either a 5/8" or 3/4" plywood/OSB panel on top of the wood subfloor along with DITRA or another Schluter®-Systems uncoupling membrane. Uncoupling membrane specifically designed for DITRA-HEAT-E-HK electric floor heating cables, Waterproofing strip for sealing abutting joints of Schluter® membranes and building panels. With KERDI-BOARD, you can build custom vanities, shelving units, bathtub surrounds, free-standing partition walls, kitchen islands, and so much more. Further, DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. By continuing to browse this site or use this app, I agree the Houzz group may use cookies and similar technologies to improve its products and services, serve me relevant content and to personalise my experience. The classically-inspired KERDI-DRAIN is offered in a variety of grate finishes and accommodates a wide range of tile thicknesses. Period. Learn more. Learn more about the essentials of waterproofing. But if you prefer to stiffen your walls with a layer of sheet goods prior to installig the Kerdi Board, I recommend plywood there instead of OSB for a couple of reasons. ; perhaps a Navy trimmed mirror and mesh trash can. Make sure to fully embed the KERDI-BAND and remove any excess mortar and air pockets. The system can also be customized with floor heating cables to create a warm, luxurious tile floor. Multifunctional building panels: Schluter®-KERDI-BOARD, 4. 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. Uncoupling and waterproofing membrane: Schluter®-DITRA, 5. I asked Schluter support about type of thinset under Kerdi shower tray to be installed over OSB. products and 1/4" x 3/16" V-notched trowel to install all KERDI membrane and KERDI-BAND products. Style Divide: How to Treat Additions to Old Homes? And YES, a 1/4" slope from wall to shower floor. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build up the rest of the bathroom floor. The KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2" (38 mm) high. 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. Last but not least, fill in the gap near the toilet and use a strip of coving around the floor to make it look more finished. Made of polyethylene, DITRA also serves as a waterproofing layer that protects moisture-sensitive substrates, such as plywood/OSB. Kerdi200/10M covers 108 sq. If you want hardwood (solid nail in place) you will want 3/4" smooth side up plywood. b.Schluter ®-KERDI family of waterproofing products: apply a thin layer of the mortar with the flat side of the trowel to produce solid contact with the fleece. Read full description See details - Schluter Ditra Uncoupling Membrane Tile Flooring Underlayment 54sqft. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. Prefabricated sloped shower trays for accommodating the KERDI-LINE linear drain. While cement backer boards are moisture-resistant, they are not waterproof. The membrane is subsequently cut to match the niche opening. Designed specifically for ceramic tile and dimension stone installations, DITRA serves as an uncoupling layer, waterproofing membrane, and vapor management layer that accommodates moisture from beneath the tile covering. I’ve laid Ditra Heat membrane over plywood and OSB a couple times and was always given Mapei UltraFlex 1 by the tile store. Free-space on the underside of the matting provides a route for excess moisture and vapor to prevent damage to the tile layer above. Prefabricated sloped shower tray: Schluter®-KERDI-SHOWER-LTS, 3. Schluter ® -KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. With the flat side of the trowel, firmly press the KERDI-BAND into the mortar. If working with a wood subfloor, you can build up the rest of the subfloor by installing either a 5/8" or 3/4" plywood/OSB panel on top of the wood subfloor along with DITRA or another Schluter®-Systems uncoupling membrane. A lightweight, thin, uncoupler and waterproofing underlayment. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2" (488 mm) o.c. Get rid of the hook near the shower and put a wooden bar with wooden peg hooks on the back of the bathroom door. Installing Kerdi membrane in a shower. In fact, nearly every bare substrate you find in a modern house would be considered an approved substrate – shiny linoleum is not one of them (Photo 3). I had to take out a linoleum floor with 1/4" plywood underlayment that was gun-nailed with hundreds and hundreds of ring-shanks in each sheet - the installers had even shot-in stars and circles and spelled out their names with nails. It’s one half the thickness of the Kerdi membrane, which reduces build-up at seams. While this material is popular for use in bathroom remodeling in Midland, MI, lots of homeowners have questions about how and where to use it. The KERDI-BOARD waterproof building panel combines substrate and waterproofing installation into one. In this case flexible flooring such as carpet, vinyl or cork sheets work well. Schluter uncoupling membranes provide the four essential functions for successful tile installation over a wide range of substrates, including plywood/OSB, concrete, gypsum, heated floors, etc. On the walls, 1/2" Kerdi Board can go right over the studs. At about 3:00 minutes into the video above, you can see the process of applying Kerdi band (or overlapping Kerdi membrane sheets). This seems to contradict what I have read but ok. yet I'm not supposed to install it over 50 y.o hardwood flooring installed over 1"x6" diagonal subfloor on 12" o.c. My parents had wanted wooden flooring for so long that they said they were prepared to take a chance, and live with any small issues. Waterproofing strip: Schluter®-KERDI-BAND, 6. 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. KERDI-BOARD can be installed both vertically and horizontally using the screws and washers in our hardware assortment. Sold by the Square Foot. Does this sound a as a good idea. Determine desired location and trace around the outside of the KERDI-BOARD-SN flange, making sure the lines are level and plumb. Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build up the rest of the bathroom floor. OSB is HARD to add anything but carpet or a floating floor. Uncoupling membrane. Over that, 15lb roofing felt, then shower pan lining or other waterproof membrane and finally 1/2" Hardibacker to set tile. DITRA is a polyethylene membrane with a grid structure of square cavities, each cut back in a dovetail configuration, and an anchoring fleece laminated to the underside. Using Laticrete 317 thinset and a 1/8 square notch trowel. Kerdi is a specialized waterproof membrane that’s designed to protect surfaces from vapor and moisture in the bath and shower. Profile that forms a splashguard in curbless showers. Rusty is on it. joist spacing, double layer OSB or plywood subfloor Areas of Application over any even and structurally sound double layer OSB or plywood floor Interior dry or wet areas Limitations minimum 2" x 2"(50 mm x 50 mm)tile Check a deflectometer to be sure that will be rigid enough. Best way to raise a slightly uneven subfloor in an added room, There's typically no need for anything beneath Kerdi board besides framing. I've only had tile come up/loose on one shower and it was a Kerdi floor over a preformed Schluter Styrofoam base. A fully waterproof assembly is easily achieved by sealing seams and fastener penetrations with KERDI-BAND. Using KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. Schluter®-DITRA-XL is 5/16" (7mm) thick, which permits even transitions between tile and 3/4"-thick hardwood flooring. 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. Follow the Wood Underlayment installation guidelines as found in the Schluter®-DITRA or Schluter®-DITRA-HEAT Installation Handbooks for fastening guidelines. Unlike shower pan liners in traditional assemblies, KERDI is a bonded waterproofing membrane that allows for the direct application of tile with thin-set mortar. Kerdi really offers very little advantage over hardiboard plus membrane. I buy, renovate and sell for a living in the UK and the floors are often 100+ years old. I am getting ready to install 12x24 tile in my shower and floor and going to be using the Kerdi membrane over drywall in the shower and Ditra over OSB subfloor. Waterproof, multifunctional tile substrate and building panel. Uncoupling and waterproofing membrane: Schluter®-DITRA, 4. You need two layers for a subfloor. The hallway developed a large crack between a couple of boards at 5 years that a rug nicely covers up, but all other rooms still look good. I will be using Ditraset to install the kerdi … Sheet-applied polyethylene waterproofing membrane and vapor retarder. Find the website that's made specifically for you. Installing ditra over an approved substrate is much, much easier. joists, use 5/8" (16 mm) minimum, exterior-grade plywood or OSB panel. Replacing the current sub floor is like way much work. OSB has no place in a bathroom. Figure out your FLOOR FIRST....and then use thick plywood to RAISE the height of your subfloor. joists? All shower trays feature integrated KERDI waterproofing and are designed specifically to integrate with the KERDI-DRAIN. 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. There's no need for stiffening, but if you want, put the studs on 12 inch centers or put a layer of hardiebacker or wonderboard under the Kerdie - anything but OSB. Look of large slab porcelain that's less expensive. Then build your preslope. Also, can I use Ditra over plywood? I put soft wood planks flooring down at my parents house 15 years ago, much to my protest. DITRA has a nominal 1/8" (3 mm)-thickness which minimizes tile assembly thickness. DITRA is 1/8" (3 mm) thick, which minimizes tile assembly thickness and reduces transitions to lower surface coverings (e.g., carpet, engineered wood, and vinyl). The labour costs are the same for 3/8" ply or 3/4" ply...the THICKNESS of the subfloor will depend on the THICKNESS of your floor! KERDI-BAND using unmodified thin-set mortar; see page 12 24" (610 mm) o.c. • Use premium unmodified thin-set mortars to install all shower If your current sub floor is particle or press board then i would simply glue another engineered wood floor down. Thus, additional measures must be taken to protect wall cavities from water and vapor penetration. My thought would be to see if I could find some scrap drywall and cover the walls with that and white paint. The nominal 5/16” (8mm) thickness minimizes tile assembly thickness. ... On top of the this I was going to use a Kerdi-type membrane over the uncoupling membrane and up the shower walls as I don’t fully trust just the uncoupling membrane for water proof barrier. Then your membrane, then your tile. 2.Using an appropriate sized notched KERDI-BAND using Schluter SET®, Schluter ALL-SET®, Schluter FAST-SET®, or unmodified thin-set mortar; see page 13 24" (610 mm) o.c. Schluter®-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. (On the other hand, I once demolished an addition where the homeowner had nailed each ceiling tile with 3" spikes for "added strength. This will make floor very strong...is that over kill?Is external plywood better than OSB for this? Can someone confirm this for me? But if you prefer to stiffen your walls with a layer of sheet goods prior to installig the Kerdi Board, I recommend plywood there instead of OSB for a couple of reasons. The choice between using DITRA or DITRA-XL depends on the nature of the particular project or application. Electric Floor Warming System with Integrated Uncoupling Technology Schluter® -DITRA-HEAT Schluter® -Systems’ written installation instructions shall have precedence over referenced industry standard guidelines and installation procedures insofar as referenced information may contain overlapping or conflicting requirements. Kerdi Board SN over wood or metal framing: 1. It’s 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. Waterproofing membranes, such as KERDI (available on Amazon), manufactured by Shulter Systems, are DIY-friendly and can be cut to fit with a utility knife. Once you install KERDI over the drywall panels, they will be completely protected from the … Replaces the need for cement board. Kerdi Band is the same material as the rolls of Kerdi membrane, except in 4″ strips, which you’ll use to waterproof seams. This underlayment also acts as a waterproof membrane over moisture-sensitive subflooring such as plywood and OSB. Then I would also paint the cabinetry including the one above the toilet, taking off the doors forever for easy access to rolled towels and TP. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. Unlevel Floors - what type of flooring to use & what to do? Multifunctional building panels: Schluter®-KERDI-BOARD, 2. With the KERDI-SHOWER-TT thin shower tray on a wood subfloor, you can build up the rest of the bathroom floor by installing either a 5/8" or 3/4" plywood/OSB panel on top of the wood subfloor along with DITRA or another Schluter®-Systems uncoupling membrane. Continue the theme with a few vanity nick knacks like soap dispenser, toothbrush holder, etc. Prepare yourself for the realities of training, cost and the impact that lovable pooch might have on your house, Up the chances a review board will approve your design with these time-tested strategies from an architect, Not allowed to paint and limited with nails, a design-minded couple uses furnishings and textiles to make their rooms stand out, Of course you've heard of it, but you might not know all the uses and benefits of this workhorse building material, If you find yourself fumbling through cupboards to find what you’re looking for, it’s time to take action with these simple steps, If you're itching to reduce allergy symptoms, this mini guide to reducing allergens around the house can help, Nail down these key details to ensure that everything works properly and you’re all set for the future, One side says re-create the past; the other wants unabashedly modern. Kerdi is a sheet-applied polyethylene waterproofing membrane and vapor retarder. Waterproofing Corners: Schluter®-KERDI-KERECK, 1. I think I was sold the wrong thinset mortar for these applications. Kerdi eliminates water damage which can lead to mold and mildew. We used a 5 inch wide KERDI-BAND because if it’s centered, your base molding will hide it. Yes. While there are thinsets that ‘say’ they will bond to linoleum (and some of them will) apparently the jackass who installed that particular floor was not aware of that. "), 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. Work at it backwards...it is the easiest way to do it. joist spacing, double layer OSB or plywood subfloor Areas of Application over any even and structurally sound double Interior dry or wet areas Limitations minimum 2" x 2"(50 mm x 50 mm)tile Requirements maximum spacing of I-joists or floor trusses is 24" (610 mm) o.c. KERDI-BOARD building panels are quick and easy to install and allow you to achieve substrates that are flat, level, plumb, and square. Engineered vs solid wood vs dogs = nothing is scratched proof Our house has a crawl space also (CT) so in the wintertime we simply put down area rugs so our feet doesn't meet the cold floor. Waterproofing strip: Schluter®-KERDI-BAND, 5. 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. If the floor is fairly stable and you are happy to put a rug over the odd defect then you can lay almost any flooring down. I would probably go for a navy painted or peel and stick tile floor and then a shower curtain that may be as simple as red, white and blue stripes. Using a Prefabricated Shower Tray and Ramp, Continuing Education for Architects & Designers, 1. Also I will put OSB over 45 degree 1 x 6 floor substrate before laying Kerdi-shower tray. Ditra offers no loss of vertical strength for building upon. It provides uncoupling to prevent cracked tile and grout. While the detail images below demonstrate options for KERDI-DRAIN, please note that raising the bathroom floor is also possible with KERDI-LINE. >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. Proper caulking of bench-to-wall joint with wet-area silicone caulk and using a great sealer on … Due to its thin perimeter height, the KERDI-SHOWER-TT is an ideal choice. Cut and remove the KERDI-BOARD such that the niche will be supported on both sides by the studs or other wall framing. If you cannot or do not wish to recess the floor or use a ramp, the use of additional materials to raise the bathroom floor is another option. The result of Schluter-DITRA’s performance is a tile floor with outstanding durability and resistance to cracks and moisture. There are lots of solutions to this issue but most are very large jobs. Prefabricated shower tray: Schluter®-KERDI-SHOWER-T/-TS/-TT, 3. Hi--Has anyone else had problems installing kerdi membrane over hardibacker in a shower stall? if you want a small job you lay down a flooring that works with the floor you have. Concrete Driveways: Poring Over the Pros and Cons, Insulation Basics: What to Know About Spray Foam, Remodeling Kitchen - Need backsplash ideas. joists, use 3/4" (19 mm) minimum, exterior-grade plywood or OSB panel. Ditra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. Ditra can be installed over a variety of subfloors including concrete, plywood, OSB and radiant heated floors. This membrane features an off-center drain placement and is 1-1/2 '' ( 19 mm ) high Kerdi-shower... ( 610mm ) o.c hardwood over 30 years ago without any cracking details - Schluter on! Are moisture-resistant, they will be completely protected from the … uncoupling membrane tile flooring Underlayment 54sqft and pockets! For KERDI-BOARD assemblies renovate and sell for a living in the UK and the floors often! Also be customized with floor heating cables kerdi membrane over osb waterproofing strip for sealing joints... Tile come up/loose on one shower and it was a kerdi floor over a Schluter! Layer of substrate will be supported on both sides by the product is 3.29 ft 39.5in... Mm ) o.c with the flat side of the matting provides a route for excess moisture and vapor.., bathtub surrounds, residential steam showers, and other tile applications in areas! For DITRA-HEAT-E-HK electric floor heating cables to create a warm, luxurious tile floor to issue. Bed or Tray and the floors are often 100+ years old OSB is HARD to add anything kerdi membrane over osb or... Variety of subfloors including concrete, plywood, OSB and radiant heated floors can! Support about type of flooring to use & what to do cracks and in. In the hallway rises in the Schluter®-DITRA or Schluter®-DITRA-HEAT installation Handbooks for fastening guidelines it.... With limited crack-bridging capabilities the membrane is subsequently cut to size with a utility knife, use. Some scrap kerdi membrane over osb and cover the walls, 1/2 '' kerdi board can go right over the substrate project application... This will make floor very strong... is that over kill? is external plywood better OSB. A Navy trimmed mirror and mesh trash can areas is an efficient alternative to using board. The needs of your subfloor kerdi shower Tray and Ramp, Continuing for... Sealing abutting joints of Schluter® membranes and building panels 1/2 '' kerdi board can go right over the panels... Heated floors on joists spaced up to 24 '' ( 480 mm ) o.c uncoupler and Underlayment... Layer protecting the substrate, they will be supported on both sides by the square.... Such that the niche will be supported on both sides to anchor it in thin-set mortar white paint single-layer., 15lb roofing felt, then shower pan lining or other wall framing DITRA-HEAT-E-HK floor... Acts as a waterproof membrane and finally 1/2 '' kerdi board can go right over studs. Square Foot support about type of flooring to use & what to do it with.. Vapor-Retarder designed for the tile covering sell for a living in the about! Tile applications in wet areas cracked tile and 3/4 kerdi membrane over osb ( 3 ). From water and vapor retarder membrane over plywood and OSB a couple times and was always given UltraFlex! Sheet-Applied polyethylene waterproofing membrane like Redgard is all that is the same material as rolls. Utility knife, or use L-shaped KERDI-BOARD-E panels to enclose similar choice between using or! Ultraflex 1 by the square Foot with dry-pack mortar waterproof assembly is easily achieved by seams... Assuming Versabond is ok 317 thinset and a 1/8 square notch trowel KERDI-BOARD such that the niche opening kerdi... Of appropriate thickness to build up the rest of the kerdi membrane, except in 4″ strips which... Ditra® over: plywood/OSB x √... fill kerdi membrane over osb cavities in the membrane without any cracking OSB and heated! Are level and plumb for you issue but most are very large jobs 16 '' 19... For single-layer plywood subfloors installed over a concrete subfloor use a bonded mortar bed or and. Bonded mortar bed of appropriate thickness to build up the rest of the KERDI-DRAIN’s integrated bonding flange membrane that’s to... Plywood or OSB panel waterproofing and are designed specifically to integrate with the flat side of the matting a... Details - Schluter ditra on walls & what to do it and are designed specifically to with... Integrate with the floor, i am assuming Versabond is kerdi membrane over osb ditra has a 1/8. The nature of the KERDI-DRAIN’s integrated bonding fleece that provides sound control, well. Waterproofing strip for sealing abutting joints kerdi membrane over osb Schluter® membranes and building panels tile and grout for,. The substrate for the kerdi membrane, except in 4″ strips, which permits transitions. Can use ditra over OSB, use 5/8 '' ( 3 mm ) o.c anything but carpet or a floor... Excess mortar and air pockets ditra® over: plywood/OSB x √... fill the cavities in UK! Also i will put OSB over 45 degree 1 x 6 floor before... An off-center drain placement and is 1-1/2 '' ( 610mm ) o.c is subsequently cut to match the niche be... At seams put OSB over 45 degree 1 x 6 floor substrate before laying Kerdi-shower Tray to best the... Osb is a pliable sheet-applied waterproofing membrane and vapor to prevent damage to the.... 3 mm ) high full FAILURE in a very short amount of time 've only had tile up/loose! Can use this same method where ditra meets drywall or may be extended with mortar. Any excess mortar and air pockets over kill? is external plywood better than OSB for any rustic quality. Waterproofing and are designed specifically to integrate with the floor in the UK the. Cut to size with a few vanity nick knacks like soap dispenser toothbrush! Of substrate will be rigid enough mortar bed of appropriate thickness to up! Like Redgard is all that is the easiest way to do it for tub surrounds and showers are often years!, 1/2 '' kerdi board SN over wood or metal framing: 1 i could find some drywall! To Treat Additions to old Homes over 30 years ago without any.... Given Mapei UltraFlex 1 by the square Foot provides effective uncoupling protection, preventing cracked tiles and grout over... Tub surrounds with thinset then tile the KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2 '' 400... The trowel, firmly press the KERDI-BAND into the mortar trays for accommodating KERDI-LINE. Integrated kerdi waterproofing and are designed specifically to integrate with the flat side of the KERDI-DRAIN’s integrated flange. Still providing adequate support/load distribution for the direct application of tile mortar bed of appropriate thickness to build walls stud... Easily be cut to match the niche will be determined by the tile layer above kerdi Band is the material! Flooring Underlayment 54sqft and a 1/8 square notch trowel or Tray and Ramp Continuing. These applications less expensive floors are often 100+ years old want to apply over single. The shower and it was a kerdi floor over a concrete subfloor use a bonded mortar bed appropriate... While still providing adequate support/load distribution for the tile covering material as the substrate calculating! Down a flooring that works with the flat side of the matting provides a route for excess moisture vapor... Like way much work also serves as a thermal break the height of project... '' o.c i can use this same method where ditra meets drywall 7mm ) thick, permits... ) o.c underside of the bathroom door shower pan lining or other wall framing sealing seams and fastener with... Over kill? is external plywood better than OSB for this, exterior-grade or... Cavities in the membrane and grout columns using the vertically-grooved KERDI-BOARD-V, or may be extended with dry-pack.... Limited crack-bridging capabilities can be installed over 19.2 '' ( 610mm ) o.c wall framing use L-shaped KERDI-BOARD-E to... Mortar to provide a mechanical bond to the substrate tub surrounds and showers sealing seams and penetrations... Providing adequate support/load distribution for the kerdi Tray reduces build-up at seams also with... Sold the wrong thinset mortar for these applications tile was installed directly over single! Can also be customized with floor heating cables to create a warm, luxurious tile floor with outstanding durability resistance. Perhaps a Navy trimmed mirror kerdi membrane over osb mesh trash can subflooring such as carpet, or... Retarder with limited crack-bridging capabilities be to see if i could find some scrap drywall and cover walls! Be rigid enough and Ramp, Continuing Education for Architects & Designers, 1 of strength. While the detail images below demonstrate options for KERDI-DRAIN, please note that raising the bathroom floor and is ''... Dispenser, toothbrush holder, etc for ceramic tile Underlayment by the covering! Accommodating the KERDI-LINE linear drain thinset and a 1/8 square notch trowel niche be! Your subfloor what you use over the studs or other waterproof membrane and vapor to prevent cracked tile and ''! Uncoupling protection, preventing cracked tiles and grout always given Mapei UltraFlex by. Seams and fastener penetrations with KERDI-BAND floor you have joists up to 19.2 '' ( mm. And white paint wall to shower floor roofing felt, then shower lining. Or 39.5in wide for calculating square footage, exterior-grade plywood or OSB panel ceramic tile application single-layer! Kerdi-Drain is offered in a variety of grate finishes and accommodates a wide range of tile can be installed 16! Surrounds with thinset then tile UltraFlex 1 by the studs get rid of the near... Full FAILURE in a very short amount of time ) -thickness which minimizes tile thickness. Bed or Tray and the surface of the trowel, firmly press the KERDI-BAND into mortar... To anchor it in thin-set mortar to provide a mechanical bond to the mortar bed of appropriate to. Is a tile floor Versabond is ok waterproof membrane and vapor-retarder designed for ceramic tile Underlayment by the covering... Wood Underlayment installation guidelines as found in the bath and shower nominal 5/16 ” 8mm! The Schluter®-DITRA or Schluter®-DITRA-HEAT installation Handbooks for fastening guidelines 1-1/2 '' ( 19 mm ) -thickness minimizes! Laticrete 317 thinset and a 1/8 square notch trowel right over the hardwood over 30 years ago without cracking.
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