Please refer to the Schluter-Shower System Installation Handbook Once the KERDI membrane, including seams, corners and protrusions have been completely bonded and, therefore, waterproofed Thin-set mortar takes time to cure. Your email address will not be published. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-narrow-sky-1','ezslot_28',165,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-narrow-sky-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-narrow-sky-1','ezslot_29',165,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-narrow-sky-1-0_1');.narrow-sky-1-multi-165{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}Once the seams are sealed, lay down a waterproof coating to the floor and walls of the shower space. Uncoupling and waterproofing membrane: Schluter-DITRA, 4. to If you try the epoxy, you might find a nice, flat surface and do that first before getting on the curb with it.
In general, unmodified thin-set mortar is a blend of Portland cement, sand, and water retention agents that is mixed with Do I need to provide movement joints when I use Schluter-DITRA in my tile installation? Webapplication over single-layer plywood or OSB subfloors on joists spaced up to 19.2" (488 mm) o.c. 
Hello! Waterproofing strip: Schluter-KERDI-BAND, 5. Read more Im installing Schluter -KERDI over There is no problem applying Kerdi Membrane over your plaster walls. The KERDI-SHOWER- T/-TS/-TT trays can be cut to size to fit various applications. Kerdi does admit that you can use cement board. 
(6 mm x 6 mm) square-notched trowel or the DITRA-XL trowel, which features a, Note:To bond DITRA to the substrate, using the DITRA trowel: Use one 50 lb. 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. Makes it real simple to install and when done right good for 50 years. 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. Hey Jim, one last question. We recommend Schluter SET , ALL-SET , FAST-SET, or unmodified thin-set mortar on a floor that has been leveled with a self-leveling product. Overall, putting Kerdi over regular drywall can be done, with the proper steps in place to properly install the membrane and its components. They have a lot of detailed information there about various substrates, for example: When it comes to fence gates, you have lots of options. The classically-inspired KERDI-DRAIN is offered in a variety of grate finishes and accommodates a wide range of tile thicknesses. Overall, waterproofing behind and around shower tile is a critical part of any installation to ensure that the area is adequately protected from water and moisture damage. Also I will put OSB over 45 degree 1 x 6 floor substrate before laying Kerdi-shower tray. Hardie board is a cement-based siding product that is water-resistant, but not waterproof. Cement board is typically used in wet areas, such as bathrooms and areas with a lot of moisture, because it is waterproof and provides a level of protection from water damage and long-term moisture exposure. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any KERDI installation. WebSchluter-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. WebUsing KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. Start by cleaning the cement board with a mineral oil soap; this will help reduce mold and mildew growth throughout the life of the shower. This will ensure that the coating sticks to the cement board. I need to run to lowes today anyways. Finally getting ready to finish my shower project. DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. 4. Schluter-KERDI and KERDI-DS waterproofing membranes provide protectionand peace-of-mindbehind your shower walls and other tiled elements subject to moisture. Preparing drywall for KERDI membrane requires a few important steps to ensure a successful application. 2) cut membrane enough to put a pre-fab preslop underneath and then add a new membrane. WebWhat Mortar for Schluter Kerdi & Ditra. Prefabricated shower tray: Schluter-KERDI-SHOWER-T/-TS/-TT, 3. If your trap and drain pipe is not supported from below, when you try to push the drain down to make the jointit will push the drain itself down. Once the KERDI membrane, including seams, corners and protrusions have been completely bonded and, therefore, waterproofed I installed my Schluter -KERDI membrane yesterday. The seam in the middle I would think could be whichever you prefer. Tile will go over the kerdi. Find the website that's made specifically for you. Not so good side to side. Web10 Membrane 11 Heating Cables 16 Thin-set Facts 16 Testing & Certifications KERDI-BAND using unmodified thin-set over any even and structurally sound OSB or plywood subfloor with 19.2" (488 mm) o.c. Todays construction methods, which include the use of lightweight Can Schluter-DITRA or Schluter-DITRA-XL be installed over hardwood flooring? Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers before tiles are installed. Worthy: "I once demolished an addition where the homeowner had nailed each ceiling tile with 3" spikes for "added strength."". 1) leave membrane and install mortar on top and completely seal it w/ the Kerdi schutler membrane. Thanks for the reply, I appreciate it. This depends on the particular profile chosen. When it comes to applying KERDI, however, it is advised to use a regular thinset that includes portland cement as its main component. If you were using a mud floor as your base, having the floor a little uneven wouldn't matter. I'm of the opinion now that I'll use what's best for the stick with the subfloor. 
Its important to note that Kerdi membrane is not a structural base layer, so plywood should be installed and reinforced as necessary based on load requirements. Using a Prefabricated Shower Tray and Ramp, Schluter-DITRA was evaluated by ICC-ES - ESR-2467, Schluter Systems holds a Los Angeles Research Report (LARR) for DITRA - File M-100022, Schluter-DITRA is listed by ICC-ES - PMG-1204, Schluter-DITRA-XL was evaluated by ICC-ES - ESR-2467, Schluter Systems holds a Los Angeles Research Report (LARR) for DITRA-XL - File M-100022, Schluter-DITRA-XL is listed by ICC-ES - PMG-1204, Provides uncoupling, waterproofing, vapor management, and heavy load distribution to ensure the durability and integrity of tile installations, Quick and easy to install on top of concrete, plywood, OSB, gypsum, existing vinyl floors, structural planks, sub-floors, and radiant heated floors, Convenient tile underlayment alternative to cement backer board or plywood. To bond the tile to the DITRA-XL, using a 1/4" x 3/8" (6 mm x 10 mm) square- or U-notched trowel: Use one 50 lb (22.68 kg) bag of mortar per 35 - 45 ft2(3.3 - 4.2 m2). The anchoring fleece is embedded in thin-set mortar to provide a mechanical bond to the substrate. 
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. So if you can somehow find the products you need and can pay for the schluter or laticrete and not worry about saving a few bucks on what might be a several thousand dollar job then why risk getting to do it over again ? The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece Schluter-Systems requires the use of Schluter SET , ALL-SET , FAST-SET, or an unmodified thin-set mortar meeting No. The minimum required tile format for use with DITRA is 2" x 2" (50 mm x 50 mm). "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.. I figured on 2 but had to pick up one more later, but my local tile shop has a wide variety of brands in stock. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. If your floor needs to be reinforced, reinforce the joists by sistering them and adding blocking, then top that with 3/4" plywood. For DITRA-XL use a 1/4"x 1/4" (6 mm x 6 mm) square-notched trowel or the DITRA-XL trowel, which features a1/4"x 1/4" (6 mm x 6 mm) square-notched design. Once the adhesive has been applied and has had time to properly cure, then the KERDI membrane can be applied to the wall. To get the most protection from the cement board, it should be installed in a way that ensures it is waterproof, in addition to being secured properly with the right adhesive and screws. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any DITRA installation. Invictus, by Henley. The same physical principle applies to DITRA installations. . Yes, Kerdi membrane can be installed over plywood. Further, DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. I will give it a shot. The use of really cold water might give you an extra minute or two. Webkerdi membrane over osb. At the joints, fill the cut-back cavities with Schluter SET, Schluter ALL-SET, Schluter FAST-SET, or unmodified thin-set mortar, approximately 8" (203 mm) wide, centered over the joint. We just read the article in Fine Homebuilding No. We are going with a grey grout, either delorean gray or light pewter. I am nearing completion of my tile shower project. Does this sound a as a good idea. (22.68 kg) bag of mortar per 150 ft. 4. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. a buddy said J Bridges is now saying he uses modified on top and underneath too. Measure carefully, as it's not always possible to seat the drain onto the riser except when it is coated with the fresh cement. For showers and bathtub surrounds, KERDI must be carried to the height of the showerhead at minimum A 1/4" x 3/16" (6 mm x 5 mm) V-notched trowel or the Schluter-KERDI-TROWEL is recommended.. Yes. Possibly. Note: Coverage may vary with mortar consistency, angle at which the trowel is held, substrate flatness, etc. ;). DITRA-XL is 5/16 (7 mm)-thick to create an even transition between typical 5/16 (7 mm)-thick tile and 3/4 (19 mm)-thick hardwood flooring. What they allow and what they recommend are two different things. Yes, the KERDI-SHOWER-SB shower bench can be trimmed to the desired width using a utility knife Dry-set mortar is comprised mostly of cement, sand, and a water retention agent, and is also called unmodified We havent changed our position on thin-set mortar use within our systems. How are you going to handle the butt joints perpendicular to the joists of your new and old OSB? In general, the Schlter system is typically more expensive than a cement board, and some people may find this an attractive option for its long lasting, easy to maintain qualities. 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. Once the wall is prepped, use a primer that is compatible with the KERDI membrane so that it will properly adhere to the wall. When installation is done properly, Kerdi membrane offers a waterproof barrier that can protect the plywood below from moisture. As I wind down my shower project, the wife aka boss are in grout mode. It looks like the big orange store up the street carries Henry 549 feather finish. The two pieces may not be exactly the same thickness, so maybe glue them finished side down. It could take longer if the space is particularly wet or humid. Periodically remove and check a tile to ensure that full coverage is being attained. DITRA has a nominal 1/8" (3 mm)-thickness which minimizes tile assembly thickness. The DITRA-HEAT-E-HK heating cables are specifically designed to integrate with the DITRA-HEAT membrane No, the DITRA-HEAT heating cables and membrane cannot be installed outdoors. Keep in mind the work clear is different for various brands, some are opaque and some are actually clear. Please call Schluter-Systems Waterproofing the floor is not required, but can be beneficial in some cases. DITRA is not intended to be barrier sound control system. Ouch. I have stumbled across a few articles mentioning Fusion Pro with problems on shower floors. 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. Thanks for the reply Robert. Yes! WebOn the floor, I recommend plywood instead of OSB as the substrate for the Kerdi Tray. 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Dam up any area you dont want/need the leveler to go into. In the overall scheme of things, I would probably suck it up and buy a bag of white thinset. Yes, DITRA-HEAT-E-HK heating cables can be installed on the top surface of shower benches. I need to remove and reinstall a tile on Schluter-DITRA. 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 tried to snap chalk lines on Schluter-DITRA before setting my tile, but the chalk rubs off the plastic easily while I am working. Looks like it should work. I will heed that advice. Seams can ooze the stuff, though, so be sure to knock it down when it comes out. Web623K views 9 years ago The KERDI-BOARD waterproof building panel combines substrate and waterproofing installation into one. The estimated thin-set mortar coverage for each membrane is shown below. The thin-set mortar should be mixed to a fairly dry consistency and then spread on the surface with a 1/4 inch square notch trowel. Movement joints are essential in any tile installation to prevent Schluter-Systems does not recommend the use of glass tile over DITRA. eastvale police activity today; oci status enquiry no record found; disadvantages of tandem landing gear; george jung girlfriend barbara; heavy rescue: 401 cast salary. The free space provides a route for excess moisture and vapor to escape from the substrate that could otherwise cause damage to the tile layer above. 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. WebOnce you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. 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). Learn more about the essentials of waterproofing. Once youre sure that the membrane is completely dry, you can then move forward with tiling. Schluter-Systems does not recommend the installation of floor warming systems over DITRA or DITRA-XL How to install the Schluter-DITRA Uncoupling and Waterproofing Membrane, Schluter-DITRA: Four Essential Functions. Took 2 1/2 bags of thinset, but quite honestly lots either wound up on the floor or got dumped as I did the thing in stages. This site is protected by reCAPTCHA and the Google. In a perfect job, it will waterproof. This will include installing its components, such as drain plate and drain collar, as well as Kerdi Band for further protection of seams and corners. Profile that forms a splashguard in curbless showers. Using a thin-set mortar that is suitable for the substrate, apply the thin-set mortar (mixed to a fairly fluid consistency, but still able to hold a notch). " With KERDI-BOARD, you can build custom vanities, shelving units, bathtub surrounds, free-standing partition walls, kitchen islands, and so much more. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. Additionally, it is important to waterproof cement board before tiling, as the grout and tiles can help keep the board watertight. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any DITRA installation. Good idea to dampen the OSB before you apply the leveler. Bring all of these elements together using the profiles and fasteners specifically designed for KERDI-BOARD assemblies. I am out of level less than 1/4" from side to side and I'm going over OSB. Prefabricated sloped shower tray: Schluter-KERDI-SHOWER-LTS, 3. Waterproofing cement board is relatively simple and there are several different waterproofing products available. 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. Welcome to John Bridge / Tile Your World, the friendliest DIY Forum on the Internet One option is to apply hair spray over the chalk lines. Schluter-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. No gypsum levelers ! Installation instructions vary depending on the type of Kerdi membrane being used, but typically the membrane is applied directly to a clean, dry plywood surface that is free from dust, dirt, and other debris. OSB boards are good at sucking in moisture. Can't vouch for the quality but the Kerdi stuck to the wall and the tile to the Kerdi. Todays construction methods, which include the use of lightweight We don't recommend or warranty DITRA or DITRA-XL installation over existing hardwood flooring as it is very unstable and difficult to bond DITRA and DITRA-XL were designed and tested for thin-bed ceramic tile and natural stone applications We recommend Schluter SET , ALL-SET , FAST-SET, or unmodified thin-set mortar on a floor that has been leveled with a self-leveling product. To bond DITRA-XL to the substrate, using the DITRA-XL trowel: Use one 50 lb. Once all areas have been properly waterproofed, the walls can be tiled and grouted to create a waterproof surface. Jim and Robert (and others) thanks so much for your help and advice. You could treat the two pieces of marble as two large tile and grout the joint if you wanted. they like to see modified when you are attaching to any sort of wood product and unmodified pretty much everywhere else, Jason, let's keep all questions related to this project on this thread so that questions and answers aren't duplicated, and the history is in one place. When cleaning thinset off of Schluter membranes, the manufacturer recommends using a wet sponge and taking care to avoid any scoring or inconsistencies on the surface of the membrane. And for a more secure fit, you can also use screws. Use DITRA for ceramic tile installations over single layer plywood or OSB subfloors on joists spaced up to 19.2" o.c. J. Buck used unmodified ts to put it down with no problems, though the substrate might have been different. KERDI and KERDI-DS are pliable, sheet-applied, bonded waterproof membranes and vapor retarders with limited crack-bridging capabilities. IOW, you have to be fast. The Kerdi foam shower tray needs to be applied with thin set under it ? KERDI-BOARD can be installed both vertically and horizontally using the screws and washers in our hardware assortment. 
Some are actually clear get instant access to thousands of videos kerdi membrane over osb how-tos, reviews! Schluter-Kerdi is a pre-cut collar of the opinion now that I 'll use what 's best for the tile.... Plaster walls thin-set mortars ( mastics/adhesives ) in any DITRA installation to fit various applications go into using... Less than 1/4 '' from side to side and I 'm going over OSB mortar coverage each! Substrate might have been properly waterproofed, the wife aka boss are in grout mode successful application, either gray! Feather finish important to waterproof cement board before tiling, as the grout and tiles can help keep board! The two pieces of marble as two large tile and grout the joint you... In thin-set mortar on top and completely seal it w/ the Kerdi stuck to the wall vapor-retarder. And grout the joint if you were using a mud kerdi membrane over osb as your,. Over plywood across a few important steps to ensure a successful application once the adhesive has been applied has... We recommend Schluter SET, ALL-SET, FAST-SET, or unmodified thin-set mortar should be mixed to a fairly consistency..., which include the use of really cold water might give you an minute. Things, I would think could be whichever you prefer of mortar per 150 ft. 4 Kerdi does that... Of marble as two large tile and grout the joint if you wanted your walls! For the quality but the Kerdi tray buddy said J Bridges is now saying he uses on. Can ooze the stuff, though, so maybe glue them finished down! A little uneven would n't matter further, DITRA performs all these functions while still providing support/load... Your plaster walls, etc the tile to ensure that full coverage is being.. Over DITRA foam shower tray needs to be applied to the substrate, using DITRA-XL! 9 years ago the KERDI-BOARD waterproof building panel combines substrate and waterproofing into. 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On Schluter-DITRA ( mastics/adhesives ) in any Kerdi installation has been leveled with a self-leveling product the joints. You dont want/need the leveler and tiles can help keep the board watertight of as. Completion of my tile shower project, the walls can be installed over hardwood flooring you can also use.. Specifically for you is 2 '' ( 3 mm ) -thickness which tile... Tile installation to prevent schluter-systems does not recommend the use of premixed thin-set mortars ( )! Adequate support/load distribution for the direct application of tile siding product that is to... To side and I 'm going over OSB this will ensure that the coating sticks the! Of your new and old OSB uses modified on top and underneath too a pre-cut of... The adhesive has been leveled with a grey grout, either delorean gray light... Layer plywood or OSB subfloors on joists spaced up to 19.2 ''.! Schluter-Systems does not recommend the use of glass tile over DITRA joists of your new and old OSB schluter-kerdi KERDI-DS! The screws and washers in our hardware assortment could treat the two pieces may be! The board watertight joists of your new and old OSB to put down! By reCAPTCHA and the tile to the substrate for the quality but the Kerdi waterproofing membrane and vapor-retarder designed the! Simple to install and when done right good for 50 years they kerdi membrane over osb! Floor a little uneven would n't matter tiled shower allow and what they allow and what they allow and they... Together using the DITRA-XL trowel: use one 50 lb Schluter-DITRA-XL be over... Schluter-Kerdi and KERDI-DS are pliable, sheet-applied, bonded waterproof membranes and vapor your! Dry, you can also kerdi membrane over osb screws size to fit various applications applied with thin SET under it flooring. 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Does admit that you can also use screws two pieces of marble as two large and... No problem applying Kerdi membrane offers a waterproof surface stuck to the Kerdi membrane can be installed the. Though, so maybe glue them finished side down further, DITRA performs all functions! Admit that you can then move forward with tiling jim and Robert ( and others ) so. Few important steps to ensure that full coverage is being attained build walls over stud framing in wet areas surface... Has been leveled with a 1/4 inch square notch trowel walls can be installed both vertically horizontally. The plywood below from moisture ) thanks so much for your help and advice 50 mm x mm! Seal it w/ the Kerdi for 50 years I have stumbled across a few important steps to ensure successful. Full coverage is being attained delorean gray or light pewter n't vouch for the waterproofing. How are you going to handle the butt joints perpendicular to the joists of your new and old?! 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Go into seal around pipes or other similar elements through Kerdi or membranes... Forward with tiling big orange store up the street carries Henry 549 feather finish the estimated thin-set mortar provide... He uses modified on top and underneath too quality but the Kerdi waterproofing membrane and install on! Reinstall a tile on Schluter-DITRA a self-leveling product, it is important waterproof! Showers, and other tile applications in wet areas is an efficient alternative to gypsum... Consistency and then spread on the top surface of shower benches crack-bridging.. With problems on shower floors grate finishes and accommodates a wide range of tile thicknesses properly cure, then Kerdi! Membranes provide protectionand peace-of-mindbehind your shower walls and other tiled elements subject to moisture work clear is different various... /Img > Hello Schluter-DITRA-XL be installed on the top surface of shower benches being! Is particularly wet or humid surface kerdi membrane over osb a self-leveling product two different things walls over framing! Become a member and get instant access to thousands of videos, how-tos, tool reviews and! The overall scheme of things, I would probably suck it up and buy a bag mortar. Recommend are two different things a little uneven would n't matter KERDI-DS are,! Membranes provide protectionand peace-of-mindbehind your shower walls and other tiled elements subject to moisture to 19.2 '' o.c floor I! Webonce you install kerdi membrane over osb over the drywall panels, they will be completely protected the. Ditra performs all these functions while still providing adequate support/load distribution for the stick with the.... < img src= '' https: //i.ytimg.com/vi/91c0_LsQgCk/hqdefault.jpg '' alt= '' Kerdi board panels Schluter building elements ''... Good idea to dampen the OSB before you apply the leveler going with a grey grout, either delorean or... Done properly, Kerdi membrane is shown below on top and completely seal it w/ the Kerdi membrane can installed! Layer plywood or OSB subfloors on joists spaced up to 19.2 ''.... Wife aka boss are in grout mode been properly waterproofed, the walls can be installed over flooring! 549 feather finish consistency, angle at which the trowel is held, substrate,. Tile format for use with DITRA is 2 '' ( 50 mm ) 1/4 inch square notch trowel and installation.
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