Finally, it is important to remember that any thin-set that has been exposed to moisture must be replaced. Using Kolmogorov complexity to measure difficulty of problems? Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar must be used to construct all KERDI seams to ensure watertightperformance of the system. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. We recommend our users to update the browser. We are still most comfortable with full plumber's pan over the curb, including glue-on preformed corners, and also a second layer (usually Kerdi but can be paint-on) on top of CBU wrap over curb. Drywall under Kerdi would have been a better choice. (3ft-3in wide)Or will the Kerdi membrane (with seams taped with kerdi band) prevent each board from moving . Step 1: Measure the area. Yes, it is possible to put Kerdi over regular drywall. Maybe try another brand of thinset? Kerdi is also used as shower lining, as required in IRC Section P2709.2 and IPC Section 417.5.2, over concrete, mortar, tile backerboard, expanded polystyrene foam board, prefabricated polystyrene shower trays, curb and ramp, gypsum board and masonry substrates." So, you can choose what board you want in your shower when using Kerdi. How do you show the depth of a hole in a drawing? This flexible polyethylene layer is easy to install and can protect the tile from both cracking and moisture. It is a pliable waterproofing membrane that also doubles as a vapor retarder. see Prop 65 WARNINGS. If I go the kerdi membrane route, do I still need to tape the joints before installing the kerdi membrane . ), Minimising the environmental effects of my dyson brain, Finite abelian groups with fewer automorphisms than a subgroup. Recovering from a blunder I made while emailing a professor, Minimising the environmental effects of my dyson brain. The colour is different. Ditra is manufactured in a 3'3 width and comes in various roll lengths (54sf, 150sf, and 323 sf). 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. As fiber cement board is similar to regular cement board, it makes sense to choose the one that is cheaper or more readily available. Too little, and the kerdi will never show you gray, no matter how you sweat. The boards come in three-foot by five-foot and four-foot by eight-foot panels, sized for efficient use in bathrooms. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround. We think it is the cement board (Durock) sucking the moisture out of the unmodified thinset. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. Gettin' a little delirious. The 1/4-inch-thick board is typically used on floors and countertops. They are square. How do I align things in the following tabular environment? Allow the adhesive to cure for the amount of time recommended by the adhesives manufacturer. No, that doesn't sound right. It's not a matter of trusting the Kerdi. The Kerdi is essentially replacing the backerboard. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . As far as the tile/prep work, you are right that he is shifting the blame. Finally, use a roller or brush to ensure that the membrane is secure and has no wrinkles or air bubbles. The tub flange can really be a pain in the butt when installing a tile tub surround. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? Furthermore, if you're working in an older home KERDI-BOARD fits better than cement board in odd spaces. If there is no blocking behind the seam, i would just tape prior to installing the membrane, the thinset will fill the seam and embed the mesh. The main types of cement board you could encounter are Fibre Reinforced Cement (FRC) board and gypsum board. You just need a hammer and wonderbar for the walls. Once its cleaned, use caulk to seal all of the seams where the cement board meets the walls. GoBoard is a kind of backer board because the main elements of a backer board are cement, silica, fiberglass, etc. 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. Since KERDI is impervious, it does not deprive the mortar of its moisture. Yes, KERDI membrane will stick to cement board. Unlike cement boards, you can bend this material without it breaking. We tried soaking the cement board and applying the kerdi in small sections. Find the website that's made specifically for you. True cement board (Durck, Wonderboard) is my first choice as a tile or Kerdi backer. I can take a bit of it off the wall and roll it into a ball. The main issue caused by non-waterproof cement boards is the eventual warping and damage to the tiles, making it difficult and costly to fix without removing all the tile and starting over. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I always install it over cement board or backerboard, never over drywall, even blueboard or the mold resistant greenboard. 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. They are designed to provide a waterproof, vapor-tight layer to the substrate, which in this case would be the cement board. Good luck with your project. That would tell him where the edge of the framing needs to be. This is necessary to ensure that the membrane will adhere properly to the drywall. Once youre sure that the membrane is completely dry, you can then move forward with tiling. I look at ceramic tile as a lifetime-of the house-product, so I use the best material for the job.I prefer to use cement board as the substrate with the Kerdi on top. Seams and joints should also be waterproofed and caulked to prevent water from seeping through. Cement board comes both in 1/4-inch-thick and 1/2-inch-thick versions. 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. Another advantage is that the polyisocyanurate core of foam boards is waterproof. Then you can apply a thin layer of KERDI-FIX to the board, the membrane over top, and use a rolling pin to press it down and ensure a secure bond. ", Signed,Never Hung Kerdi A Day In Her Life. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'remodelormove_com-box-3','ezslot_2',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');Yes, you can put Kerdi membrane over cement board. The use of modified thinset adhesive could result in an inadequate bond and could lead to possible delamination. It may take more than 1 beer:). What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Asking for help, clarification, or responding to other answers. Dean, our tile consultant, says glass mat backer board is his first choice due to the ease of installation, cost, and because his workers like it. To ensure that the Kerdi is completely dry prior to tiling, inspect the inside of the membrane for any signs of moisture or condensation. When I do another shower I'll use real cement board, not Hardi-board. (3ft-3in wide). Can be cut to size easily using a utility knife. It worked well - just like wallpapering. #4 You could be adding a good 1000 pounds to your install too. It also helped me to work in smaller sheets. We use a pump action garden sprayer and its usually dry by the time we clean the sprayer. Following the correct application of Kerdi membrane over cement board will ensure a successful waterproofing installation and lasting results for your tile project. Personnaliser mon exprience l'aide de cookies, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, epoxy or marine paint over greenboard for my shower walls (not tile), Need advice on bathroom remodel - using hardiebacker boards, HELP! Is this overkill? Sledge hammers for the floor, that might take a bit of time. This will help you achieve the best results and ensure the longevity of your project. We don't expect people to master this and in fact I know maybe two guys in my area (live in big city) that could do this. First, felt paper is stapled to the floor and covered with expanded metal lath. The most important thing to remember when applying the membrane over the cement board is to make sure the surface is clean and free of any debris, dust or other contaminants. A hundred times better to have too much before you comb than too little. 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. Let the mortar dry for 24 hours then test the shower. 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? It's a lightweight polystyrene board faced with Kerdi that comes in various thicknesses that you can use in place of drywall or cement board. 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). How did this project turn out? It is a fast process that is hard to mess up if you do it right. Both may be effective substrates, but Kerdi Board boasts significant advantages. 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. The shower is ready for tile. In a perfect job, it will waterproof. BTW the older Kerdi thread referencedwas excellent. Regardless, cement board is a great, trusted tile substrate that will work well on both walls and floors. vegan) just to try it, does this inconvenience the caterers and staff? The major drawback to cement boards is their weight, as they are incredibly heavy and can be difficult to cut. The mortar does . A mortar wall is better and can be customized easier. To learn more, see our tips on writing great answers. tripadvisor car rental tampa airport xnxx big tits; roommate questionnaire google form shadow of the dragon queen deluxe; cities where home prices are rising 2022 beachbody bodi block; mahogany tree seeds uses It is important to overlap the edge of the membrane so that it covers slightly more than half of the drywall behind it. Will be replacing tub shower combination with tiled shower in my home. Even the tiling subs have moved away from mortar walls because of the labor cost and lack of craftsmen in the industry.