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I agree that gypsum seems very questionable anywhere in the wet areas of a shower. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How to prep a shower for tile with Schluter Kerdi - TwoFeetFirst We tried soaking the cement board and applying the kerdi in small sections. It looks like Kerdi membrane is ~$2/sqft ($200 for a 108sqft roll) and kerdi board is $3.7/sqft ($115 for a 4x8 sheet (Lowes)). Cement board comes both in 1/4-inch-thick and 1/2-inch-thick versions. 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. Why unmodified thinset with kerdi? - qyvxl.dixiesewing.com Additionally, the drywall should be primed with a latex primer before applying the Kerdi membrane. The kerdi membrane will probably do the same, and its regularly installed over drywall which is probably less stable. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Hi.I have a unique situation. I also used the Kerdi drain. When applying the thin-set, it should be applied in such a way that it fully fills any empty space between the Tile and Schluter product and is solid enough to support the weight of the tiles being installed. Politique d'Utilisation des Cookies de Houzz. Your email address will not be published. Sure, you can do it.just be sure to "spritz" or wet the hardi thoroughly before.it's pretty "thirsty.". Seams and joints should also be waterproofed and caulked to prevent water from seeping through. Another advantage is that the polyisocyanurate core of foam boards is waterproof. the cost of the tile job. You'll know the RG is dry when it turns reallllly dark bright red as opposed to the pinkish color when applied. Not everyone knows how to do mud and lathe it's so old school plus it wears you out, ive been a setter for 27 yrs and I have yet to go back to one of my showers I installed using perma base or durock, with a liner, i have started using waterproofing such as redguard or aqua-defense. This will include installing its components, such as drain plate and drain collar, as well as Kerdi Band for further protection of seams and corners. Ceramic and porcelain tile, more than almost any other surface material, need a stable . 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. Can you put Kerdi membrane over cement board? 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. When applying the primer, make sure to cover all surfaces thoroughly, as these will be completely covered by the KERDI membrane. Putting this stuff on walls is difficult and time . First Kerdi can be installed on drywall or cement board. It's still applied to cement board. Step 3: Apply Thinset. 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. The shower tray eliminates the need for a mortar bed. Prime first to create a flat, uniform surface that is free of dust, grease and other debris. The mortar does . Kerdi Board is suitable for a number of interior applications. She grew up surrounded by constant home improvement projects and owes most of what she knows to helping her dad renovate her childhood home. 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. As a contractor, I have been using Kerdi since it came out. On the downside, the cement boards are heavy, somewhat difficult to cut and can leave abrasive sandy crumbs that can damage tubs and shower bases if youre not careful. With that said, the key benefits of Kerdi Board include: While cement board may be the most common and widely-known tile substrate, Kerdi Board is giving it a run for its money. Why is there a voltage on my HDMI and coaxial cables? Additionally, a liquid water-resistant membrane should be applied over all surface areas before installation. But I can't give you a +1 because telling someone to mortar all the walls in a large shower is like telling them to make an ice sculpture. I would avoid Hardi, as Avanti is right that it is thirsty. Well, I'm going to give you three different ways to seal the backer board at the tub flange. This is often accomplished by filling any holes and cracks in the wall with appropriate spackling or patching material. With cement board as a substrate, the key is to ensure proper installation of the membrane. 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. They can be installed on any type of support and can even be used to create partitions, with no structural support required. bathroom - Kerdi Membrane over cement backerboard - Home Improvement There's a really great manual (with diagrams) that makes this all easier to understand. It is important to seal any imperfections in the drywall to ensure a long-lasting installation and to minimize water infiltration. ;). Ideally the DalSeal TS would fold into the gap between the wall and ceiling concrete board. Not to mention, its warrantied by Schluter, giving you the ultimate peace of mind. Step 4: Place the Tile. Thinset with a latex acrylic modifier is best for interior projects, but if youre installing outdoors, you should use thinset with a polymer modified (PM) compound for greater moisture resistance. Underlayment is designed to smooth out uneven areas of the subfloor and form a rigid layer that prevents the flooring from bending. Install the Schluter Kerdi membrane over the backer board using the correct mortar. Kerdi board, on the other hand, is an extruded polystyrene foam panel. 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. We think it is the cement board (Durock) sucking the moisture out of the unmodified thinset. This will help protect the cement board from water damage, and is often a specific type of coating designed for use with cement boards. Additionally, all seams should be sealed with Kerdi Fix and covered with fleece. Wedi Board vs Cement Board vs Kerdi Board - The Ultimate Home Living Blog Cross your fingers and hope it's all OK. Not the best Kerdi Showcase. Hello D Zak! 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 I have watched it done 10-15 times, have good skills, and if I tried to make large mortar walls myself it might like a little kid threw up concrete Should I use Kerdi membrane or cement backerboard? Kerdi Board as a whole is much easier to install than Cement Board. 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. On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs. It doesn't matter but you absolutely need to use both a substrate and a waterproofing membrane. It is also widely available and a relatively inexpensive option approximately $10 for a 3-foot by 5-foot sheet. You have to seal every little hole in the floor so the underlayment doesnt seep into spaces below. x 33 ft. Waterproofing Membrane: Kerdi-Board 1/2 in. We just went through a learning curve on the Kerdi and Hardi. KERDI was developed as a waterproofing membrane to be used in . The boards come in three-foot by five-foot and four-foot by eight-foot panels, sized for efficient use in bathrooms. The surface of Wedi is perfect for bonding. Without an underlayment, even the slightest movement of the subfloor can result in cracking of the tile and crumbling of the grout lines. Ratings (91) (5) (91) (3 . To waterproof Hardie board, you should choose a quality sealer that is designed for use on cement-based sidings. Once all that is completed and the Aquadefense has dried, you can install your tile with a polymer modified mortar meeting the ANSI requirements of A118.4 or A118.11. To line niche shelves, for instance. If you can paint a wall, you can use RedGard. When installing KERDI with . Kerdi-Board is an extruded polystyrene foam panel, with reinforcing material on both sides, covered by fleece webbing for effective anchoring of thin-set mortar. But I did want to understand the cost breakdown as the walls then become WAY more expensive than it would be with Redguard. RedGard, on the other hand, is a liquid waterproofing membrane made by Custom Building Products. This flexible polyethylene layer is easy to install and can protect the tile from both cracking and moisture. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'remodelormove_com-mobile-leaderboard-1','ezslot_24',166,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-1-0');If cement board is not waterproof, it can negatively impact the integrity of the tile that is installed on top of it, and can lead to a variety of issues. I barely touch it with my hands before going to the tape knife. This feature makes building the base structure much easier and more cost . The niche' intermediate shelf isn't actually attached, to enable specific placement for each unique tiling application. RedGard can be applied to cement board panels in two ways: Roll it on the wall with a 3/4-inch nap roller or spray it on the wall. You still use metal lath, but then mix bags of powder and pour the soupy mix onto the floor. I used 1/2 Hardibacker board over the studs and then used the Kerdi membrane over the Hardi. We waterproof the outside the hardiboard in 99% of the install with something like redgard. Yes, Hardie board needs to be waterproofed. While cement board and grout are not waterproof, Kerdi is and can even be directly installed over drywall. This creates a strong, waterproof tile backer that also functions as an uncoupling membrane. Hardibacker is a VERY "thirsty" material that sucks the moisture out of the mortar VERY quickly and I don't like it. I just a few weeks ago put kerdi on top of hardi-board in my shower and it was PAINFUL! 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. 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. Is this overkill? Continuing Education for Architects & Designers. Welcome to the site. Whether or not you need a Kerdi membrane is a factor of use. Kerdi membrane over drywall in shower - qkfb.recidivazero.it is that because water doesn't really hit that area?" - Lisa Jasper That's pushing it but should be fine. I guess that why it was so frustrating that cement board is just sooo thirsty. Sealing the tub flange for tile: 3 methods - DIYTileGuy With so many different types of underlayment to choose from, it can be hard to decide which is best for your project. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. For the floor I make a dry mix mud base and then the Kerdi membrane. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. GoBoard Vs. Kerdi For Your Shower: In-depth Comparison Cement board is readily available and relatively inexpensive (about $10 for a 3 x 5-ft. sheet). 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. Can you put Kerdi membrane over plywood? - KnowledgeBurrow.com Once its cleaned, use caulk to seal all of the seams where the cement board meets the walls. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . Press the Kerdi Membrane into the Thinset Mortar with firm, even pressure to achieve full mortar coverage. It is a pliable waterproofing membrane that also doubles as a vapor retarder. Let's start! Kerdi Membrane Over Plywood ThePlywood.com Yup! if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'remodelormove_com-large-mobile-banner-1','ezslot_17',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-large-mobile-banner-1-0');As an added precaution, you may want to consider to adding a water-resistant layer afterwards, such as a caulking or flashing tape. Installation is simple- just trowel a layer of thin-set adhesive on the floor and embed the mat in it, then fill the cavities with thin-set. 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. Yeah it seems that the only products that will be compatible with cement board and the kerdi membrane are bostik ditra-set and schluter all-set (or one of schluters other products). 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. A mortar wall is better and can be customized easier. Let the mortar dry for 24 hours then test the shower. I hang Kerdi on cement board and fibercement board all the time. Yes, it is recommended to waterproof cement board, especially if it is going to be used in exterior settings or in places where it will be in contact with water. 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? I have used kerdi, and I have applied it over cement board. I think the first one I used was cheap and that was part of the problem. Waterproof showers are the trend today, so RedGard is an excellent alternative to cement boards that act as vapor barriers.

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