When applying Kerdi membrane to cement board, the edges and seams of the membrane must be lapped, meaning that each layer should overlap the portion underneath it by a minimum of two inches. Should I use Kerdi membrane or cement backerboard? . Required fields are marked *. KERDI was developed as a waterproofing membrane to be used in . Installation; As the GoBoard is very lightweight, it becomes easy to . Underlayment is designed to smooth out uneven areas of the subfloor and form a rigid layer that prevents the flooring from bending. The thickness of the tile is important, and should be known, but not because it changes the method of building. When having to put it up on the wall or measure it for size, you will find that you can get the exact measurements you need without much trouble. Spacers are the next step. http://www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter%C2%AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT, We've added a "Necessary cookies only" option to the cookie consent popup. One thing I do like fibercement (Hardie) for is when I need thin strips of cement board. What? x 5-ft. and 3 x 5-ft. sheets of cement board are sized for efficient use around bathtubs and showers. Seems like I've been using the full measure of water the bag calls for, plus about 10%.-50 lbs of thinset at a time is too much for an amatuer. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Your real issues are the lack of proper corners on this shower. Waterproofing cement board is relatively simple and there are several different waterproofing products available. Once the membrane is in place, it can be sealed and reinforced with Kerdi-Fix sealant, Kerdi band, and Kerdi-Drain for added waterproofing strength. Putting this stuff on walls is difficult and time . If you preorder a special airline meal (e.g. It may take more than 1 beer:). It fell right off? Like cement board, the boards are heavy and hard to cut. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. Additionally, if the cement board isnt waterproof, it can also cause mold and mildew issues, as well as dry wall damage from the moisture seeping through. They are square. If you are good with a trowel and understand how to set up and use screeds as a guide for leveling or forming the mortar, pouring a traditional mortar bed may be a good alternative to tile backer board, especially on uneven or sloping floors. It is a pliable waterproofing membrane that also doubles as a vapor retarder. Cement board is the most common and widely-known backer board. The cement board can also become weakened and start to flake away when it absorbs moisture, causing ugly spots and patches to start appearing on the wall. I have to redo my tub surround due to moisture leaks and failing grout. However if installed on drywall it is only protecting one side. x 60 in. You can apply it on PVC, metal, slabs, walls, and floors. After installing your mud bed, make sure it is fully cured before applying Aquadefense. Do I have to use Kerdi tape with Ditra membrane? Because it can let some moisture wick through it, you have two choices: put a moisture barrier behind it to protect the structure, or, waterproof the front of it. For the floor I make a dry mix mud base and then the Kerdi membrane. There's a really great manual (with diagrams) that makes this all easier to understand. My floor tiles are 2" x 2"." - Lisa Jasper No - you can not use Kerdi Board on the floor. We waterproof the outside the hardiboard in 99% of the install with something like redgard. Can be cut to size easily using a utility knife. 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. We use a pump action garden sprayer and its usually dry by the time we clean the sprayer. In order to determine which tile underlayment is right for your project, you need to know which issue youre trying to solve whether its preventing subfloor cracks from transferring to the tile, soundproofing, moisture protection, or providing more rigidity to the tile. This thread is 9 years old and it's the Hardi board that's thirsty not the Kerdi. DensShield is one common brand. 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. All it takes is the right preparation. The Kerdi membrane should be applied with the standard procedure, using a hogg brush or a notched trowel to spread the thin-set mortar and a roller to ensure appropriate adhesion. Cement board is the industry standard when it comes to tile substrates and the most preferred among professionals when installing porcelain or ceramic tile. Connect and share knowledge within a single location that is structured and easy to search. First Kerdi can be installed on drywall or cement board. Gettin' a little delirious. When installing Schluter Kerdi Membrane over cement backerboard: Should I use Alkali Resistant Mesh Tape and thinset on the seams of the backer board (for long term durability to prevent each board moving independently thus preventing cracking) prior to installing the Kerdi membrane. This creates a strong, waterproof tile backer that also functions as an uncoupling membrane. It is also essential that cement board joints and fasteners be sealed and waterproofed with the Kerdi Fix sealant to help prevent water from leaking into the wall and floor cavities. rev2023.3.3.43278. Send us an email: , What type of thin-set mortar should I use when installing Schluter, Using a Prefabricated Shower Tray and Ramp. Welcome to the site. I like to use a garden sprayer to keep the thirsty Kerdi wet. That would tell him where the edge of the framing needs to be. I guess that why it was so frustrating that cement board is just sooo thirsty. That means that you do not have to rely on a surface membrane or worry about the board failing if the core is exposed to water. The manual can be found here: http://floorelf.com/waterproof, I would say unless you are experienced in working with Schluter-Kerdi waterproofing membrane kit, then I would say work with an easier waterproofing approach, either liquid waterproofing or a combination of liquid and traditional waterproofing (plastic covering the wood frame). We like that the Kerdi membrane material installs easily over almost any substrate, including standard wallboard. We want that inside corner able to move. Various products can be used to waterproof shower walls such as water-resistant drywall and cement backer boards. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. Please feel free to reach out to our Product Support Team at 1-800-992-6273 if you need anything. Schluter approves their waterproof Kerdi membrane over drywall. Kerdi Board is expensive, but I can justify it because it saves time, and it's a joy to use. vegan) just to try it, does this inconvenience the caterers and staff? Kerdi membrane prevents water damage and mold development. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I set the Kerdi with my hands, pat it into the thinset with my hands, then go over it with a 4" taping knife held at a low angle to embed the Kerdi in the thinset. Being a Los Angeles resident, Jessica spends a lot of her time looking for her next DIY project and sharing her love for home design. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. If you choose to use Aquadefense as a shower pan liner, be sure to continue it up the walls at least 6", tying into your waterproofing on the walls. Applying a conventional cement backer board to such a structure is almost impossible. My understanding is that Schluter-Kerdi, being a sheet topical membrane, recommends just going with regular drywall instead of cement board but you can certainly use cement board as the substrate. More waste, yes, but I think you have to have a LOT of practice to hang those huge sheets like mongo does. see Prop 65 WARNINGS. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. Our thinset was more watery than the videos, but it still managed to dry out quickly, even in the time it takes to apply the small corners in our shampoo niche. Recovering from a blunder I made while emailing a professor, Minimising the environmental effects of my dyson brain. Politique d'Utilisation des Cookies de Houzz. And second, since it's foam, the board is super easy to cut with just a utility knife. Most cement-based thin-set mortars are suitable; however, it is important to check the manufacturers instructions to ensure that the product is approved for use with Schluter systems. In normal residential use I wouldn't worry about it. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. #4 You could be adding a good 1000 pounds to your install too. After priming, use an approved adhesive to adhere the KERDI membrane to the drywall, making sure the edges are well sealed and joints are tight.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[468,60],'remodelormove_com-medrectangle-4','ezslot_12',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0'); A successful installation of KERDI requires well-prepared surfaces and a proper application, so take the time to properly prime the drywall before installation. We recommend our users to update the browser. Well, DH said he had virtually no time to work with the stuff before it dried out, so he switched from my spritz bottle to a sponge. Anytime Mongo. Thanks to all for the feedback. If you want a cement board, use Durock or Wonderboard. The grid lines on the surface are incredibly helpful for installation and making neat cuts. Step 8: Allow to dry. 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. Most of the entries in the NAME column of the output from lsof +D /tmp do not begin with /tmp. And how do you keep too much water from interfering with the adhesion in the second scenario?Thanks!! The mortar does . It is important to overlap the edge of the membrane so that it covers slightly more than half of the drywall behind it. Yes, Hardie board needs to be waterproofed. The gridlines printed on the surface are beneficial for the installation process, also allowing for quick, neat cuts with a utility knife. Kerdi's systems are fairly reputable. GoBoard is a kind of backer board because the main elements of a backer board are cement, silica, fiberglass, etc. And second, since its foam, the board is super easy to cut with just a utility knife. 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. Go with smaller bags or only mix half. Now there's nothing particularly wrong with fiber-cementit's just not my first choice. This is necessary to ensure that the membrane will adhere properly to the drywall. Ditra is a 1/8-inch thick polyethylene membrane with a layer of anchoring fleece on the underside and a grid of square cavities on top. The curb doesn't have to be any wider than a 2x4. Whether youre installing tile on a floor, wall, or countertop, choosing the right type of substrate, or underlayment, is critical to preventing breaks and cracks in both the tile and the grout. First Kerdi can be installed on drywall or cement board. ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. It looks like you have Kerdi installed on the floor and not Kerdi Board. Personally, I like standard drywall. Why do small African island nations perform better than African continental nations, considering democracy and human development? I hope you made the guy flood test his work prior to tiling the shower floor. Important to overlap seams in a shingle method. Also are you saying that you wet ("booking the Kerdi") the Kerdi, as well? Whether or not you need a Kerdi membrane is a factor of use. Removing bathroom tile from cement backerboard, Transition from KERDI membrane backed, to not backed. When installing KERDI with unmodified thin-set mortar over particularly dry and porous substrates, it is recommended to wet the substrate first, in order to help prevent premature drying or skinning of the thin-set mortar. The Kerdi-Line prefab pans and drains make me feel way more comfortable with the waterproofing. Since KERDI is impervious, it does not deprive the mortar of its moisture. Blocking should be constant across this area when openings are larger than your fist. #2. Will be replacing tub shower combination with tiled shower in my home. If you want to go to the extra effort of putting the membrane over drywall, there is no need to use greenboard. How should I transition between cement board floor and alcove tub? there should be a small gap between the backer board and the tub. We store towels, medicine, toiletry supplies, first-aid gear, massage devices, facial steamers, spare Painting your garage is a great way to improve the look of the space and make the walls easier to clean. Do new devs get fired if they can't solve a certain bug? This is confusing since Kerdi Board has no Kerdi on it. Take care to cut the KERDI membrane to the appropriate size and apply it to the wall, ensuring that it is properly adhered and that the edges are sealed with KERDI sealant. Kerdi Board as a whole is much easier to install than Cement Board. Maybe try another brand of thinset? Jessica considers herself a home improvement and design enthusiast. One of the company says they are going to apply kerdi membrane on the drywall, then tiles onto the kerdi membrane, and as such as cement backboard would not be required. Firstly, it is important to ensure the wall is adequately prepared and that it is smooth, flat and free of defects. Your air bubbles will travel along the valleys you've made, and it's way better if you only have to move them 20 inches to the nearest edge rather than all the way from the ceiling to the floor [Again, Mongo can, but he has mad skills].-Not paying attention to the principle of bedding top down, center out. Too little, and the kerdi will never show you gray, no matter how you sweat. We also found that using a heavy rolling pin worked wonders for really setting the Kerdi. Actually if you watch any pros work (not on crappy shows) on TV you will see them use backer board 99% of the time. Do you have any pictures? If you want added info there's an old Kerdi thread here. 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. Building Panel: Price $ 119 00 $ 202 06 $ 279 00. Builder saying he doesn't want to put my trim tile in here. Learn about the options in exterior siding before you choose, Before you pick up a single tile, pull from these tips for expert results, Slip resistance, curves and even the mineral content of your water all affect which tile is best for your shower, We help a Houzz user ask all the right questions for designing a stylish, practical and safe shower bench, This isn't a light DIY project: You'll need heavy-duty tools and plenty of protection for your home and yourself, In steamy quarters, tile needs to stand up to all that water and vapor in style. Kerdi really offers very little advantage over hardiboard plus membrane. When it comes to tile underlayment, your options can be categorized into three main classifications, each suitable for different tiling circumstances: Although cement board is the most commonly used underlayment for tile, Kerdi board is growing in popularity as a multifunctional tile substrate. 3. Project Type: Tile / Category: Bathroom. Kerdi, a waterproofing membrane made of a special polyethylene fabric, should be allowed to completely dry prior to tiling.
Simi Valley Nixle, Barometric Pressure Denver, Usuhs Admissions Timeline, Muscle Tissue: An Overview Labster Quizlet, 244033224f3499b4ac2030d7 Ford 9 Inch Disc Brake Conversion 5x5, Articles K