There's a really great manual (with diagrams) that makes this all easier to understand. Thanks CX. Cover the joints with KERDI-FLEX. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. When I watched the videos on Schluter, they had the "drywall" installed first and then they butted the pan right up to the "drywall".but we've now had someone tell us that it goes the other way. A leak at the wall connection is a particularly common issue, and it, Your email address will not be published. The kerdi membrane will also extend 4" up the north wall and 4" up the west wall. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. Plank. Before proceeding though, the installer should get this method approved through the local building inspector, as it is counter-intuitive. Send us an email: , This kit contains all the elements of the complete Schluter, Using a Prefabricated Shower Tray and Ramp, Designed to create a fully waterproof and vapor-tight enclosure in tiled showers and residential steam showers, Contains shower tray, shower curb, waterproofing membrane and waterproofing strips, Drain grate and flange must be ordered separately. Y2M1NDYzZjc3N2NjYzI3ZmU2MTE0OGEyYjQwNjQyNGIzMDI1YTdmZmMyMzBl YjJjYjdkNGQ0M2E2YzJmMTU5NDhiN2RmN2RlMWNhZjQ3YmM0N2VhZjQzMDc1 MmRkMzM1NjhiYTY4NGU4YmRiOTc4Y2U0YTlmYzZmMjRhOWVhZWEwODhmNmZh I trust it and have never had a callback. The price is $9.95. x 60 in. Hello, I just joined this forum. It looks to me from his diagram that there's a joist right in the center of the 38" wall. If the null hypothesis is never really true, is there a point to using a statistical test without a priori power analysis? YjVhODU1NzVjYmQ3MDA1ZmI3YWM1ODYwNzhjOTAyMWYzMTRjMzJlMGQ0YTc1 By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Holes can typically be repaired by installing a patch of KERDI or Schluter-KERDI-BAND with What is a water test? Save my name, email, and website in this browser for the next time I comment. depth. Questions: In taking off the old kerdi-band and tile, from the west and north . Thanks for contributing an answer to Home Improvement Stack Exchange! The transition from redgaurd to the niche will be a potential weakspot and may also lead to a hump that will make tiling hard. It is important to check the subfloor for level and to make any necessary adjustments to ensure that the shower pan will sit evenly. Scan this QR code to download the app now. The Schluter shower pan and membrane, along with the band and other accessories, are all specifically engineered to work together to create a durable and reliable waterproofing system. Tray dimensions are: 38 in. You can lap the floor Kerdi up and on top of the wall membrane, or use a strip of kerdi to connect the wall membrane to the tray membrane. The shower tray eliminates the need for a mortar bed making installation quick and easy. Walk the walls with us and explore some of the amazing possibilities only Marlite can offer. ZGM1MzU4OWM2YzhkMGQ4ZGYwMGE3YzY2YzBiODIyZDliNGM5ODBmMDRmNzJj Install new kerdi-band along the floor seam where the shower pan meets the ditra. Waterproof niche is perfect for shower installations. You can read about the book at The Kerdi Shower Book Web Site. But a Kerdi pan costs 2 hours or less of my time. It won't always be easy, but always try to do what's right. Thanks to all for the feedback. It is important to follow the manufacturers instructions for installing the shower pan, as different models may have different requirements. As a contractor, I have been using Kerdi since it came out. 5. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround. MmY4NTk0MzM5ZDI1MTFlOTRjMzExOTk3MGNhMGZhZjAxODBlN2M2YmJmODU3 Whether or not you need a Kerdi membrane is a factor of use. Learning is my key. It is lightweight and made of expanded polystyrene. Are the two incompatible for some reason? the cost of the tile job. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. These insects are attracted to moisture and food and may use the grout as a, If your shower drain is clogged, the first step would be to clear the obstruction by using a plunger or snake. ZWE0ODFmYTA2NDNmNjI5MzlkMmFjZWI1ZDY2NWMzYWYxZTdmZGQxZTBiODcz Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? The best answers are voted up and rise to the top, Not the answer you're looking for? I have attached four photos with notes so you can see current state. Cement board is a mineral-based board, usually 30 inches by 60 inches, that is used as a lower, dimensionally stable surface for installing ceramic tile, porcelain tile, or stonework. If the null hypothesis is never really true, is there a point to using a statistical test without a priori power analysis? Mold and mildew resistant and easy to clean shower pans. I am a DIYer and tackling a bathroom remodel. I was the first person to use Kerdi in my area and I had to educate the inspectors, show them the certificates from Schluter, etc. Assumption is that the mprtar bed for final slope will also apply pressure to the lower inch or so of kerdi? Detailed instructions and videos are available to guide homeowners through the installation process. @DMoore- OK, I agree that with redguard it would be redundant. It's easier that way. 8. A water test is a quality control check performed on any shower installation before setting tile. This is exactly how I will do my shower, I have no reason to think that the Kerdi pan cannot work well with the cement walls. The shower base pan has a 'lip' at the sides. The best answers are voted up and rise to the top, Not the answer you're looking for? Will use the Schluter Shower system. Follow up question. Slag Concrete. The kerdi band will also go 4" up the west wall. Schluter-KERDI is a pliable, sheet-applied, bonded waterproof membrane and vapor retarder with limited crack-bridging capabilities. Yes. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! For complete installation guidelines and warranty criteria for shower applications, please download the Schluter-Shower System Installation Handbook and view the installation videos available below. NmMwMTYwYjI0Y2JkZmEzNzg0MzViZDFmZjBkZjM1MGQwNWQzMjNjOTVlNTI1 You can use it over drywall. This is important because even small leaks can cause significant damage over time, and can lead to mold and other health hazards. Be sure not to screw through the shower liner--if you need to screw low on the Kerdi board put a dwang (cross-block) in above the liner and screw to that. This video focuses on the installation of the shower wall concrete backer board with an acrylic shower pan. Oatey recommends an x-15 bonding adhesive for their pvc layerthis is fine for the dam corner on the curb, but what will stick the dam corner to the kerdi? Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. 3 Beds. For floor/wall connections, use KERDI-BAND. Point drain with integrated bonding flange, Complete bathtub and shower base surround kit, Bonded waterproofing and vapor-retardant membrane, Contact us: 888-472-4588 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). Test the shower for leaks before using it. Which language's style guidelines should be used when writing code that is supposed to be called from another language? A Kerdi membrane will be more compatible with the Kerdi shower pan than other waterproofing products. Press KERDI fully into the bond coat. It is appreciated and I feel like I have a much better understanding, so thanks again. MjJjZTMwMDMzMDMwNTg5ODQwMDIwZmE0MGUyYzdjOTFlZjQyMTBlZmVjODUx Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. Any recommendations? To learn more, see our tips on writing great answers. In addition to the shower pan, the Kerdi system also includes a waterproofing membrane and bands that are used to seal the seams between the pan and the walls. MTZjMjBhZjI0ZmVkOWNhYzVjNmExODFiMTU0YmQ2ZTBkMDhiNGM3YWVkY2M0 To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If you believe Wordfence should be allowing you access to this site, please let them know using the steps below so they can investigate why this is happening. Redoing your kitchen? If the toilet is not properly secured and leveled, it can rock from side, Ants coming through the grout in a shower can be a frustrating and annoying problem. Install the drain adapter, if needed.. OGFiMDViY2JkNDE5ODNiYmVlZmE1YzI0MjQ4MGIyMzQ0ZTdlNDlkYmZlMmU2 Once you have installed your cement board substrate, you need to determine what waterproofing system you will use for your shower. So I removed the west section of the threshold, extending about 9" from the west wall, and removed that section of the kerdi pre-fab shower pan as well so as to maintain level on the north-south plane. NWE1OTcxZDg1MTNiMGU5ODMxMGUyODJhN2JkZDcyMjFiMDUzNGQ0NDRjYzI5 For showers and bathtub surrounds, KERDI must be carried to the height of the showerhead at minimum What size notched trowel should I use to install Schluter-KERDI? To save money and assure a good slope to the shower floor, we purchased the Kerdi pan, membrane, bans, drain and mortar. Since the existing wall board will be removed, I'd prefer to go a little extra and install a water proof cement board type base so the tile has a solid substrate even if it were to get wet, such as from a plumbing leak, or from infiltration on an exterior wall (as unlikely as that might be). At a minimum you could seal the transition with kerdifix More posts you may like r/HomeImprovement Join 2 yr. ago KERDI is suitable for use in intermittent use steam showers. It is not necessary to tape the joints between drywall panels before installing KERDI. Schluter KERDI-Board-SN: Shower Niche (with Shelf) 12"x28" (Two Pack) . Note: Water testing of the assembly YmE3MzkzMTAwZjg2NTdjNmQ1YjU3ZTcwZGNmMWE2Nzg0ODU4OTc2ZGQ4ZjIz YjNiMDg0MzJlMTllMDI5YTQ3ZGUwMWZjZWYzMGViMjFjYzlkOTcxMjIxOGM1 DIYers on this forum seem to have nothing but problems with Hardi. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. MTE2OGZmOTBkYTViYmQyZWEwMTNhNzIxYzlmNWE3ZTVjNDI1YzdhNWEyZDI2 The joint should be around inches. As for the Kerdi, go to the following link. x 38 in. N2EzMTFiNzI0NmI2ZTczZTIyMjMzZDRhMzQyOGNkNzE4YWZiNmZiODQ4MTUi Regular old gray papered drywall is actually the backer that the manufacturer recommends. You need to do some Reading about showers and baths foundational issues. Traditional System, How to waterproof your shower installation with the Schluter-KERDI-SHOWER-KIT Complete Kit. YmJjMmQ4Y2JiNTdlNGY3Y2IyNGJiZDIwMGYxODU3MWI0YjYxOWI2NTg1NDNk Kerdi pan WILL work perfectly fine with cement board walls, but that assumes the walls are covered with Kerdi membrane. The rubber/waterproof layer remains intact on the walls. Cement Board is not water impervious - but it is - NOT damaged by water. craft paper or plastic is great if the inspector wants it but it is (should be) doing nothing for a tub surround that has HB/redgard/thinset/tile. YWRiNmRjZGUyOWMyY2JjMGE0MGFmNTYyNDAxYjZmYWZmZTM1M2UzMjZhMWUx There's a big controversy brewing herelol. Dal Tile Kerdi-Shower-Kit 38-inch x 60-inch Off-Center Shower Kit in ABS with Stainless Steel Drain Grate . By following the manufacturers instructions and using the entire system, homeowners can ensure that their shower is properly waterproofed and protected. All that said? NTFlNDE3ZGMwOThlZGM1NGQxZmEzZTIxYmZkNzZlYjMxZmEyYjFmYjZmY2U1 Thanks. Cement board around shower but what. https://www.youtube.com/channel/UCaC_m-r_CXQ-jXQK28M17wQ. Look at it this way; Withe Kerdi, you either trust it or you don't. Now that you know a Kerdi shower pan can be installed alongside cement board walls, its time to get into the nitty-gritty. The manufacturer of the Kerdi system provides comprehensive customer support, including technical assistance and warranty information. 3. The Kerdi shower pan and membrane are specifically designed to create a watertight seal, preventing water from penetrating the walls and floor and causing damage. Once the shower pan is in place, the next step is to install the Kerdi membrane and bands on the walls. Do the prefab Schluter niches like the double unit 12 by 28shelf have a built in pitch to the bottom and middle shelves to drainoff water as shown in niche that you built in that thread? I really don't see any videos of people installing Kerdi board with an Oatey membrane. This creates a continuous waterproof barrier that prevents water from penetrating the walls or the shower pan. You need to do some Reading about showers and baths foundational issues. MDlmZmFhNThiYjE1ZWU2NjcyZGZhNmMyYzNjOTA1MDc3YjUwODg3ODYxZmFi The Kerdi shower pan is a popular choice for waterproofing showers because it is easy to install and creates a reliable waterproof barrier. KERDI was developed as a waterproofing membrane to be used in . Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Here is a video off the Schluter-Kerdi website that describes how to apply the waterproof membrane on top of the substrate (gypsum board in this case): http://www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter%C2%AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT. Important to overlap seams in a shingle method. It won't work the same way against RedGard, so I'm not sure if that's warranted or not. THere is no lip on the Kerdi shower pan to accept the backer boards. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. KERDI-DRAIN grate and flange must be ordered separately. If you are planning a bathroom renovation, consider the benefits of the Kerdi system for your own shower project. No, the KERDI membrane does not have a front/back to it. The Kerdi system is compatible with a variety of surfaces and installation methods, making it a versatile option for many different shower projects. Actually if you watch any pros work (not on crappy shows) on TV you will see them use backer board 99% of the time. The DensShield, Cement board, whatever - go on after that - so that they fit on top of the 'lip' This allows water to run down the wall and into the pan, and not have any opportunity to run BEHIND the wall 5. You may also need someKerdi Kereckfor the corners. If you have decided to use the Schluter shower system, then its pretty obvious that a Kerdi shower pan should be installed withKerdi board walls. A forum community dedicated to Do it yourself-ers and home improvement enthusiasts. OTc1YTQ0ZmFlMWZjMjYyYWVhZWRmYmU4Mjc4MmFlNTYzMWJiNGQ4YjNlYTdi I would like to use Kerdi board on the walls, but not the floor. wide integrated bonding flange. MzIxMWUwODMxYTkzNmQ3ZjE2YjFiMjJjN2YwNzIzOWJlNDA0NWY2Mzc2Mjc1 Is this overkill? Personally, I like standard drywall. ZWVlNjMyMGQ3YjQyODkwNTQwY2ZhYWEwMWRkMDJlMWFjNDE3MjY2YWRlMmFj What differentiates living as mere roommates from living in a marriage-like relationship? 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. I have already provided you with the latter. So pick the system you like and use that for the walls, pan/base and drain. These four materials will provide a seamless and waterproof transition between cement board walls and a Kerdi shower pan. MjdkOGQzMmFmMDZmOWJhMjQ2YTAzZmViNTNiY2EwMTMyMTA0MDA5ZDE5ODkx Tammy, all you need is a 2" overlap minimum. surfer thanked Avanti Tile & Stone / Stonetech, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, How to cut cement backer boards for the toilet? I'll even use it for steam showers in preference over any other system available. That should be the starting point of your cement board walls. But if you are too busy or dont enjoy engaging in DIY projects, its better to call an expert to install the shower for you. A Kerdi shower pan would operate efficiently regardless of what is in the wall if installed correctly. Install new kerdi-band along the floor seam where the shower pan meets the ditra.