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. It's not a matter of trusting the Kerdi. Installing cement board involves placing the boards atop a layer of thinset adhesive, a process known as bedding. In my. . Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. If he did the framing for the shower, then in order to measure for it correctly, he would need to know how thick the tile is so that he can avoid exactly this problem. 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. If you preorder a special airline meal (e.g. Fiber cement board is available in 1/4-inch and 1/2-inch thicknesses. When installed, Kerdi Board creates a substrate that is level, flat, square, plumb, and dimensionally stable. The big issue with cement board is that the thinset will skin over really quickly. 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. 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. Since KERDI is impervious, it does not deprive the mortar of its moisture. In normal residential use I wouldn't worry about it. The Schlter system tends to be more durable than a cement board, but it also depends on the particular application and the weather. Installation; As the GoBoard is very lightweight, it becomes easy to . In . Not even the plumber's fault as it was just a bad valve. ), Minimising the environmental effects of my dyson brain, Finite abelian groups with fewer automorphisms than a subgroup. Retired Moderator - Theatre Guy (and computers). Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Preparing drywall for KERDI membrane requires a few important steps to ensure a successful application. We also found that using a heavy rolling pin worked wonders for really setting the Kerdi. However, you do still have to take care to waterproof the seams and the fastener penetrations to create a waterproof assembly. Kerdi, a waterproofing membrane made of a special polyethylene fabric, should be allowed to completely dry prior to tiling. On top of that, fiber cement board is even more brittle than standard cement board, so you have to be extra careful to keep screws at least an inch from the edge to avoid breaking the board. The gridlines printed on the surface are beneficial for the installation process, also allowing for quick, neat cuts with a utility knife. . It is lightweight and made of expanded polystyrene. I like to use a garden sprayer to keep the thirsty Kerdi wet. Since my guys and I will be doing this for the first time next week, I 'd like to take advantage of your 'learning curve.' 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. For indoor projects and gypsum board, thinset with a latex acrylic modifier is ideal. 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. 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. 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). Yup! 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 If your going to do the job do it right, and give professional advice pls. Kerdi 3 ft. 3 in. Using cement board and a sheet membrane . Why are physically impossible and logically impossible concepts considered separate in terms of probability? Re: Kerdi on shower curbs. Keep in mind, that, just to be safe, most professionals choose to install a waterproofing membrane on top of the cement board when installing in wet locations like tub surrounds or showers. Let's start! As a contractor, I have been using Kerdi since it came out. 3. It only takes a minute to sign up. 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. "..2) the kerdi band isn't stuck flat -- the edges in some spots are wavy. @JimmyFix-it - You are right. ".1) is is okay to use kerdi board instead of ditra on the floor? When applying the primer, make sure to cover all surfaces thoroughly, as these will be completely covered by the KERDI membrane. Look at it this way; Withe Kerdi, you either trust it or you don't. The taping knife at a low angle makes an enormous difference, and I'm very grateful for that hint. 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. While cement board may be the most common and widely-known tile substrate, Kerdi Board is giving it a run for its money. Good luck with your project. It is important to seal any imperfections in the drywall to ensure a long-lasting installation and to minimize water infiltration. 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. 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. Hi.I have a unique situation. Run a damp towel over the cement board surface to dust . 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. If you want a cement board, use Durock or Wonderboard. 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 . This liquid waterproofing solution does more than keep water away, it also promotes tile adhesion and prevents cracking. Modified thin-set mortars must dry for the polymers to coalesce and form a hard . What I would be most scared off is the fact that no inside or outside corners appear to have been used. 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. All it takes is the right preparation. Required fields are marked *. Following the instructions for the product being used and ensuring that all of the necessary steps are followed will help to ensure a successful installation. Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. The kerdi membrane will probably do the same, and its regularly installed over drywall which is probably less stable. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This will ensure that the coating sticks to the cement board. All it takes is the right preparation. You provide the pitch during the tile set. Or will the Kerdi membrane (with seams taped with kerdi band) prevent each board from moving independently? Here's how to get it right the first time, If you've got a steady hand, a few easy-to-find supplies and patience, you can install a tile backsplash in a kitchen or bathroom, Step 4 in swapping your tub for a sleek new shower: Pick your waterproofing materials and drain, and don't forget to test, Work with your contractors and installers to ensure a safe, stylish curb that keeps the water where it belongs, Get the benefits of a time-honored ritual without firing up the coals, thanks to easier-than-ever home steam systems, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, Out With the Old Tile: 8 Steps to Prep for Demolition, Convert Your Tub Space Into a Shower Waterproofing and Drainage, Steam Showers Bring a Beloved Spa Feature Home. You are wise to use a cement board. I ended up putting up a thin, skim-coat of thinset all over the hardi board, letting it dry, and then putting up the kerdi. I used 1/2 Hardibacker board over the studs and then used the Kerdi membrane over the Hardi. However, if installed on drywall, it only protects one side. Asking for help, clarification, or responding to other answers. #1 - Backer board has nothing to do with HD or any other big box. 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. It only takes a minute to sign up. But there are downsides. Glass mat gypsum board is a better choice. Will use the Schluter Shower system. We recommend our users to update the browser. The cement board core itself is not waterproof, but it can withstand water without falling apart. What was the indicator that let you know that spritzing was not enough, and that you needed to 'sponge' the Hardi? This will prevent water from entering from behind the membrane, and will provide a more secure waterproof layer. ps, now that you don't need it anymore you can throw that useless cheap piece of crap magnesium float my way. Tile can be installed directly over Kerdi-Board using the thinset method; For use with ceramic and natural stone tile; Return Policy; California residents. Rolling pin, good, now I can throw away my magnesium float.LOLCasey. I guess I could save a few $ and laminate 1/4" drywall there instead.IOW, is hardi OK to level out the tub flange?Not that it matters, but the tile will be 3x6 carrara to the ceiling.Casey. (3ft-3in wide). Ideally the DalSeal TS would fold into the gap between the wall and ceiling concrete board. Step 7: Cut the Tile. @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. If you can avoid that, the demo would be ~easy enough to maybe have some friends who'd work for beer come over and help you knock it out. Creative, C'mon over for a beer! Cement board is a heavy mess compared to drywall, and drywall is a heavy mess compared to Kerdi Board. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? First Kerdi can be installed on drywall or cement board. Project Type: Tile / Category: Bathroom. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. Here are the fundamentals of tile installation over cement board. KERDI features a modified polyethylene (PEVA) core with non-woven polypropylene on both sides to anchor the membrane in the thin-set mortar. 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. Step 4: Place the Tile. Find the website that's made specifically for you. There's a really great manual (with diagrams) that makes this all easier to understand. Additionally, all thin-set should be allowed to cure for 24 hours before tiles are installed. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers before tiles are installed. Cut the shower tray to size. 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. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. This will help you achieve the best results and ensure the longevity of your project. Cross your fingers and hope it's all OK. Not the best Kerdi Showcase. Hello D Zak! KERDI was developed as a waterproofing membrane to be used in . Waterproofing cement board is relatively simple and there are several different waterproofing products available. I have corrugated metal shower surround & grab bars. Moisture resistant can cause similar problems, and there is absolutely no advantage to it. I think it is engrained in me to do that so I forget to mention it. It is a pliable waterproofing membrane that also doubles as a vapor retarder. 173 upvotes. Welcome to the site. We ended up sponging the Hardi and wetting and booking the Kerdi (a la wallpaper), and that made the installation go much smoother. Kerdi-Board panels allow the installer to prepare and create a broad range . We tried soaking the cement board and applying the kerdi in small sections. For the floor I make a dry mix mud base and then the Kerdi membrane. It is important to waterproof Hardie board to make it more water-resistant, as well as to protect the materials from the elements. Even the tiling subs have moved away from mortar walls because of the labor cost and lack of craftsmen in the industry. How can I find out which sectors are used by files on NTFS? BTW the older Kerdi thread referencedwas excellent. When I tried to use the edge of my trowel [per schlutter video] I could see I was pulling a lot of the 'felt' off the backer. #3 This is a DIY site. Shouldn't take too long, maybe an hour or so. It fell right off? RedGard On Hardibacker Board. 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. Furthermore, if another trade, such as the shower glass installers, makes a mistake then you'll be . To prevent those movements from transferring to the tile floor, consider installing an uncoupling membrane between the concrete and tile surfaces. As such, many homeowners and professionals find themselves wondering whether Kerdi Board or cement board is the better tile substrate. . Significantly more time and effort is required to ensure a quality bond when using a modified thinset adhesive with KERDI, and for this reason, it is usually not recommended. LONDON. Once you have determined the type of thinset, its important to also consider the weather conditions during installation. When it comes to selecting thinset for cement board, there are a few important factors to consider. When it comes to installation, a Schlter system is typically easier to install than a cement board, and it also allows for more design freedom as it does not require a traditional waterproof layer. Schulter Ditra is manufactured by Schluter Systems and is a 1/8 thick polyethylene uncoupling membrane that is specifically designed for tile installations. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. Other mistakes I was making early on:-over working the thinset. 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. The niche' intermediate shelf isn't actually attached, to enable specific placement for each unique tiling application. Your Get free, zero-commitment quotes from pro contractors near you. I simply sponge off the excess. We just went through a learning curve on the Kerdi and Hardi. You can apply it on PVC, metal, slabs, walls, and floors. 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! After today's tutorial, you'll gain the confidence to transform your old bathroom into a new space. 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. 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.
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