kerdi membrane over cement board
Waterproofing cement board is relatively simple and there are several different waterproofing products available. This is the traditional tile backer. And second, since it's foam, the board is super easy to cut with just a utility knife. In my. Kerdi's systems are fairly reputable. 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. ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. Find the website that's made specifically for you. As a contractor, I have been using Kerdi since it came out. All shower/tub areas should have concrete board (I prefer hardiboard). And second, since its foam, the board is super easy to cut with just a utility knife. Step 6: Choosing the Next Tile. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround. Properly waterproofed Hardie board should last for many years. This will prevent water from entering from behind the membrane, and will provide a more secure waterproof layer. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? Continuing Education for Architects & Designers. Finally, use a roller or brush to ensure that the membrane is secure and has no wrinkles or air bubbles. Cut the shower tray to size. Jun 21, 2017. . We sponge water onto the cement board. A square foot of half-inch thick cement board weighs roughly 40 ounces, while the equivalent area of a Wedi board weighs about 75% less. A 1/2-inch thick, 3 x 5 foot sheet weighs just 7-1/2 pounds, compared with 45 pounds for a similar size sheet of cement board. ), Minimising the environmental effects of my dyson brain, Finite abelian groups with fewer automorphisms than a subgroup. This product is available in 3/16", 3/8", 1/2", 5/8" 3/4", 1" 1-1/2" and 2" thicknesses, allowing for a wide variety of installation options. Kerdi Shower Pan and Cement Board Walls - DIY Home Improvement Forum Is a PhD visitor considered as a visiting scholar? 4. Hi.I have a unique situation. If you are looking for a way to minimize height buildup and eliminate a large level difference at thresholds, a mat product is a good solution. The thickness of the tile is important, and should be known, but not because it changes the method of building. RedGard On Hardibacker Board. Another advantage is that the polyisocyanurate core of foam boards is waterproof. I think the first one I used was cheap and that was part of the problem. I have to redo my tub surround due to moisture leaks and failing grout. En cliquant sur Accepter , j'accepte l'utilisation des cookies telle qu'elle est dcrite plus en dtail dans la Politique d'Utilisation des Cookies de Houzz. x 33 ft. Waterproofing Membrane: Kerdi-Board 1/2 in. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'remodelormove_com-mobile-leaderboard-2','ezslot_25',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0');Waterproofing should be done prior to the installation of any tile including behind the shower tile. Why is this the case? 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. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? Asking for help, clarification, or responding to other answers. Why does the plumbing rough need to be moved? I used to "trust" the Kerdi and drywall until I had a shower that the valve broke inside the wall cavity four years after being put in. Once you have selected the right sealer, follow the manufacturers instructions and apply a generous, even coat over the entire surface of the Hardie board. Waterproof showers are the trend today, so RedGard is an excellent alternative to cement boards that act as vapor barriers. Your Get free, zero-commitment quotes from pro contractors near you. Kerdi Board Vs. Cement Board (What's The Difference?) - Home Mindset The best answers are voted up and rise to the top, Not the answer you're looking for? Various products can be used to waterproof shower walls such as water-resistant drywall and cement backer boards. Is it Sinful to put Kerdi over Hardi-backer? - Houzz 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. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. This will help to extend its lifespan and make sure it looks its best for years to come. 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. No, you do not need to install a vapor barrier, as Kerdi Board is the vapor barrier. How to install a kerdi membrane over cement backer board - Quora Yes. See the foam bench and the corners. Will use the Schluter Shower system. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Builder saying he doesn't want to put my trim tile in here. Kerdi Membrane not sticking to cement board - John Bridge Politique d'Utilisation des Cookies de Houzz. 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. LONDON. We are DIYers who have already remodeled one bathroom successfully, but this is our first time using The Schluter shower system. Most of the entries in the NAME column of the output from lsof +D /tmp do not begin with /tmp. Thanks Paul! Probably the simplest way is to caulk the gap with 100% silicone or a urethane sealant. FRC board tends to be more moisture-resistant than gypsum board and is best suited for outdoor projects such as showers or tub surrounds. I don't want to use the Ditra membrane product but rather tiles directly over the cement boards. We also found that using a heavy rolling pin worked wonders for really setting the Kerdi. 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. Shower walls construction made easy with Kerdi-Board panels. - La Tuilerie When I do another shower I'll use real cement board, not Hardi-board. 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. Additionally, all thin-set should be allowed to cure for 24 hours before tiles are installed. Houzz utilise des cookies et d'autres technologies de suivi similaires pour personnaliser mon exprience utilisateur, me proposer du contenu pertinent et amliorer ses produits et services. What was the indicator that let you know that spritzing was not enough, and that you needed to 'sponge' the Hardi? When it comes to using thinset with Schluter products, the Schluter-Systems website recommends using unmodified thin-set mortars specifically designed for use with Schluter membranes. Not to mention, its warrantied by Schluter, giving you the ultimate peace of mind. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? Kerdi membrane over drywall in shower - qkfb.recidivazero.it We waterproof the outside the hardiboard in 99% of the install with something like redgard. . You're correct if you use the shluter kerdi membrane you do not use a vapour barrier since it creates a sandwhich effect that doesn't allow the substrate . (3ft-3in wide)Or will the Kerdi membrane (with seams taped with kerdi band) prevent each board from moving . Why is there a voltage on my HDMI and coaxial cables? Additionally, you can use KERDI-BAND around corners, seams, and joints to help with a waterproof installation. Though, each product comes with its own individual characteristics, and pros and cons. This liquid waterproofing solution does more than keep water away, it also promotes tile adhesion and prevents cracking. RedGard, on the other hand, is a liquid waterproofing membrane made by Custom Building Products. #3 This is a DIY site. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? Caulk the gap. If you preorder a special airline meal (e.g. KERDI features a modified polyethylene (PEVA) core with non-woven polypropylene on both sides to anchor the membrane in the thin-set mortar. There are many different types of underlayment to choose from, but they all serve the same purpose. It is easier to cut than cement board, it is mold resistant, and it has a built-in moisture barrier. 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. I simply sponge off the excess. It could take longer if the space is particularly wet or humid. Step 7: Cut the Tile. It is a pliable waterproofing membrane that also doubles as a vapor retarder. Step 8: Allow to dry. you should still water proof with a liquid membrane product like RedGuard. @DMoore- OK, I agree that with redguard it would be redundant. is the contractor creating a waterproof schluter-kerdi shower? Any recommendations? Do new devs get fired if they can't solve a certain bug? The Schlter system tends to be more durable than a cement board, but it also depends on the particular application and the weather. They are designed to provide a waterproof, vapor-tight layer to the substrate, which in this case would be the cement board. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. 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. To put things into perspective, consider that a tile floor is made up of three layers: the subfloor, the underlayment, and the tile surface you walk on. I will say that to is easier to put the membrane over drywall than cement board. This is a bit difficult to answer as it depends on the particular application for the floor system. The major drawback to cement boards is their weight, as they are incredibly heavy and can be difficult to cut. Hardi is definitely a "thirsty" substrate but will work, even without a primer of RedGard. 120 sq feet including the floor. If a pipe or faucet ever leaks in the wall this will ruin your shower. Then you can apply a thin layer of KERDI-FIX to the board, the membrane over top . Using self-leveling underlayment takes careful prep work. Install the drain adapter, if needed. A quality underlayment will also serve as a waterproof barrier between the subfloor and the tile surface. I hang Kerdi on cement board and fibercement board all the time. We were using a 3/16 x 5/32 trowel, probably to small. Why do small African island nations perform better than African continental nations, considering democracy and human development? The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. It worked well - just like wallpapering. It costs more but it;s worth it for the ease of install IMO. However, a cement board is generally easier and less expensive to replace if a repair is needed. A lot of folks like using cement board but it's heavy and requires a waterproofing membrane over it. Is it ok to fasten a shower surround to Schluter Kerdi curb? Using Kerdi Schlueter membrane with cement board. - Houzz Problem with very thick cement board/ tile/bullnose edge, Steam Shower Slip Joint Detail - The secret is in the boarding stage. Unlike cement boards, you can bend this material without it breaking. If installing large format tiles (over 15"), be sure to give the Aquadefense at least 8 hours to cure first. Whether or not you need a Kerdi membrane is a factor of use. Yes, it is possible to put Kerdi over regular drywall. Tile Backer Board Breakdown - DIYTileGuy Go with smaller bags or only mix half. 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. This thread is 9 years old and it's the Hardi board that's thirsty not the Kerdi. You are telling someone "to have" an artistry that not only takes art skills, knowing how to mix mortar for different situations, and a good amount of practice. Is this overkill? With that said, lets take a look at the importance of choosing the right tile substrate, the options you have, and which tile underlayment material you should choose Kerdi Board or cement board?