When you set the curb, try to get a little slope into the shower with it. Schlter-KERDI-BOARD is simply cut to size with a utility knife. Copyright 2022 Zonda Media, a Delaware Corporation. If you intend to install another type of floor, such as hardwood, there is no need for DITRA. All shower/tub areas should have concrete board (I prefer hardiboard). Not good. Generally, Schluter-SET, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar is used. Kgphoto Veteran Contributor Join Date: Jun 2004 Location: Los Angeles, CA DITRA performs all these functions while still providing adequate support/load distribution for the tile covering. Learn more about the essentials of waterproofing. The pan itself is pretty much locked in place by the walls and curb, and the bond, while important, isn't the main thing holding it in place. and KERDI-SEAL-MV at the mixing valve. 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. I think I'd get it well dampened before covering with the deckmud and maybe painting a slurry of cement or some thinset to help bond things. Anyone have any experience with this? Have you looked over the Ditra website? The use of really cold water might give you an extra minute or two. 2. I will give it a shot. Schluter-KERDI-KERECK and KERDI-KERS-B are preformed, seamless corners made for waterproofing inside and outside corners of KERDI, KERDI-BOARD, and DITRA assemblies to prevent leaks and mold-growth. Do I need to prime plywood before tiling? The KERDI-SHOWER-T is offered in five sizes with perimeter heights ranging from 1-3/32" (28 mm) to 1-1/4" (32 mm). Kerdi fix does not stick to thin-set FYI. You only need a pair of scissors to cut the DITRA uncoupling membrane. say that I expect to be a life-long subscriber." 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. Undoubtedly, the OSB board will suck some moisture from the thinset mortar. All shower trays feature integrated KERDI waterproofing and are designed specifically to integrate with the KERDI-DRAIN. No. The nominal 5/16 (8mm) thickness minimizes tile assembly thickness. Well damn. RedGuard is not harder to adhere to. http://www.johnbridge.com/vbulletin/showthread.php?t=91369. How do I know if the thin-set mortar is modified or unmodified? Use unmodified thin set to That means it will expand and shrink when exposed to water or moisture. Well, im fearful but interested. Can you use KERDI membrane on plywood floor? Higher latex content is essential for bonding to plywood. Using KERDI-BOARD to build walls over stud framing in wet areas is an efficient alternative to using gypsum board. We just read the article in Fine Homebuilding No. Hi Bill,That's right, John Bridge uses LIGHTLY modified thinset under Schluter's membrane products. 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. The other steps required for a successful installation are listed That's what it was designed to be applied over in most applications, but I'd use 3/4" ply for the seating area. Any specific type/brand to look for? Ouch. Its important to note that when working with a concrete subfloor, a bonded mortar bed of appropriate thickness must be used to build up the rest of the bathroom floor. The KERDI-SHOWER-TS features an off-center drain placement and is 1-1/2" (38 mm) high. KERDI-BOARD can be mounted vertically or horizontally on wood framing with the KERDI-BOARD screw and washer hardware set. 7. If you achieve a consistent thickness with the modified thinset mortar, you dont have to worry about it being sucked up by OSB. I'll be sure to let everyone know if/when I find out the hard way! Thanks! Tiles should never be installed on a substrate that expands and contracts. Please note that you need 48 hours for full cure on the Kerabond. Thanks for the reply, I appreciate it. Kerdi Membrane Installation is typically Step 1 of 4 in the Kerdi Shower Kit installation Process. Measure carefully, as it's not always possible to seat the drain onto the riser except when it is coated with the fresh cement. Besides Schluters recommendation, several experts have used DITRA as an uncoupling membrane for tile installation over OSB. Follow the Wood Underlayment installation guidelines as found in the Schluter-DITRA or Schluter-DITRA-HEAT Installation Handbooks for fastening guidelines. Below is a quick guide on the installation of DITRA over OSB. That would be ideal for me right now. Keep in mind all of the work your doing. A fully waterproof assembly is easily achieved by sealing seams and fastener penetrations with KERDI-BAND. However if installed on drywall it is only protecting one side. Glass tiles are unique products and may require special consideration. 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. "I have learned so much thanks to the searchable articles on the FHB website. Waterproofing strip seals abutting joints of membranes and building panels, Waterproof, multifunctional tile substrate and building panel, Point drain with integrated bonding flange, Bonded waterproofing and vapor-retardant membrane, Single-component sealing and bonding compound, Contact us: 888-472-4588 The latter is ideal for structural and load-bearing applications such as floors. Its crucial to pre-cut before installation as that will make your work easier. Over a concrete subfloor use a bonded mortar bed of appropriate thickness to build up the rest of the bathroom floor. Acrylic is the best system to use for shower walls because it is the safest, least high maintenance, and easy to install, meaning your shower could be done in as little as one day. Used unmodified as called for between ditra and tile. Invictus, by Henley. Podcast 529: Members-only AftershowHow Good is Good Enough? This is very important for OSB boards that are used as floors. Please call Schluter-Systems Can I install Schluter-KERDI over drywall in my tiled shower? KERDI features a modified polyethylene (PEVA) core with non-wovenpolypropylene on both sides to anchor the membrane in the thin-set mortar. Yes. Let me ask you thisif i use just the four longest (and therefore the highest) quick pitch sticks that go out to the cornersthey could still serve as a guide right?or would you suggest eliminating the sticks all together and just go for it?.How long will this dry pack stay workable? Danny, download Irfanview (http://www.irfanview.com/), a free image viewer/editor. 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. Send us an email: , Using a Prefabricated Shower Tray and Ramp, 1. For good new rock music, click on: http://www.wolfmother.com. I am out of level less than 1/4" from side to side and I'm going over OSB. 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. 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. California Specification 01350 is referenced by various green building standards and rating systems. Does Schluter-KERDI waterproofing membrane have a front/back to it? It takes a little longer than the traditional mud shower bed and water-proofing methods, but it is worth it. This site is protected by reCAPTCHA and the Google. 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. Hey every group has to have one. I'm a DIYer like you, and while I have a good bit of remodeling experience, this is my first bathroom. No brand recommendation from me. Its a water-resistant membrane used for tiles and paver coverings. Install KERDI-SEAL-PS pipe seals at showerhead, body sprays, etc. 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. More recently, Laticrete Hydroban Board, and Johns Manville GoBoard have all come on the market. Apply thin-set mortar to the substrate using a 1/4" x 3/16" (6 x 5 mm) V-notched trowel or the KERDI-TROWEL, which features a 1/8" x 1/8" (3 x 3 mm) square-notched design (Note the open time of the mortar). Since you're using a tray, I think you better get the 7/8". We use cookies to ensure that we give you the best experience on our website. WebSchluter-KERDI and KERDI-DS waterproofing membranes provide protectionand peace-of-mindbehind your shower walls and other tiled elements subject to moisture. Most of the others can only be applied to a feather edge over concrete or a suitable backer boardi.e., not over a subfloor. I will explain why you should use the V-notched trowel. I'd also consider leaving the stuff outside in the garage (as long as it was above freezing) before mixing it up. Using the flat side of the trowel, work the thinset on the OSB floor. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. 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. Contact us: 888-472-4588 An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. WebStep 1 Clean Up the OSB Floor The first and most obvious step is to clean the OSB floor. Therefore, plywood or particle board, which has been treated against moisture absorption, should be used. Make sure the leveler says FEATHER edge on the instructions or something similar. Therefore, do not be surprised when you find this material used as the subfloor of your home. Waterproof, multifunctional tile substrate and building panel. Dont also forget the convenience that DITRA offers for tile installation jobs. You don't want a ridge there. Schluter-Systems does not recommend the use of premixed thin-set mortars (mastics/adhesives) in any KERDI installation. Since tiles should only be installed on cement boards, what options do people with OSB floors who want to install tiles have? The advantage is that your waterproofing membrane is located just under the tiles instead of below 1 or so inches of deck mud and can therefore dry out more easily. 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. Since KERDI is impervious, it does not deprive the mortar of its moisture. After the mud screed is set, fill the area between the mud screen and the drain fitting with mud, again slightly higher than needed, then use more straight edged boards to pack the mud down in a straight line beteen the mud screed and the drain. After a quick check with local suppliers, I do have the Mapei uncoupling mortar available to me. Since backerboard isn't waterproof itself, sealing the edges or joints won't do anything for you. We just read the article in Fine Homebuilding No. This is a dialog window which overlays the main content of the page. This is a dialog window which overlays the main content of the page polyethylene ( PEVA ) core non-wovenpolypropylene. A suitable backer boardi.e., not over a subfloor 529: Members-only AftershowHow Good Good! 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California Specification 01350 is referenced by various green building standards and rating systems achieved. Been treated against moisture absorption, should be used or particle board, and Johns Manville GoBoard have come... The wood Underlayment installation guidelines as found in the KERDI shower Kit installation Process n't anything. Find this material used as the subfloor of your home pipe seals at showerhead, sprays... Bed and water-proofing methods, but it is worth it to pre-cut before installation as will! Mortars ( mastics/adhesives ) in any KERDI installation experience on our website has! Is referenced by various green building standards and rating systems longer than the mud.
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