Step 3: Apply Thinset. To get the most protection from the cement board, it should be installed in a way that ensures it is waterproof, in addition to being secured properly with the right adhesive and screws. Additionally, the drywall should be primed with a latex primer before applying the Kerdi membrane. I imagine we could share some good stories. Personally, I like standard drywall. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. We want that inside corner able to move. When screwed to the framing, thin strips of cement board fracture more easily than thin strips of fiber-cement. Another advantage is that the polyisocyanurate core of foam boards is waterproof. Modified thin-set mortars must dry for the polymers to coalesce and form a hard . Will use the Schluter Shower system. Will use the Schluter Shower system. 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 . Think about movement. 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. 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. Such membranes typically come in a brush or a roller form and can help create a durable barrier against water infiltration. KERDI was developed as a waterproofing membrane to be used in . 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. You have to seal every little hole in the floor so the underlayment doesnt seep into spaces below. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? I trust it and have never had a callback. See the foam bench and the corners. All shower/tub areas should have concrete board (I prefer hardiboard). 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). With cement board as a substrate, the key is to ensure proper installation of the membrane. This liquid waterproofing solution does more than keep water away, it also promotes tile adhesion and prevents cracking. I'm thirsty. Go with smaller bags or only mix half. 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. 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. Its important to note that Kerdi membrane is not a structural base layer, so plywood should be installed and reinforced as necessary based on load requirements. We tried soaking the cement board and applying the kerdi in small sections. Why you use cement board? Additionally, you can use KERDI-BAND around corners, seams, and joints to help with a waterproof installation. You probably have to go to a big box store's special order desk or find a specialty tile supplier to find it. 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. I circled one area, but there are lots of these edges." - Lisa Jasper The Kerdi band should be smooth and flat - not wavy/ "3) there is no membrane of waterproofing on the hardboard across from the "wet wall" after 5 1/2 feet up. The grid lines on the surface are incredibly helpful for installation and making neat cuts. Is it ok to fasten a shower surround to Schluter Kerdi curb? Yes, KERDI membrane will stick to cement board. As such, many homeowners and professionals find themselves wondering whether Kerdi Board or cement board is the better tile substrate. ps, now that you don't need it anymore you can throw that useless cheap piece of crap magnesium float my way. There are many different types of underlayment to choose from, but they all serve the same purpose. Depending on factors such as room temperature, humidity, and ventilation in the area, this could take anywhere from 1 to 3 days. I think the first one I used was cheap and that was part of the problem. 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. Modified thinset adhesive is a premixed product that contains latex or acrylic components which make it quite a bit more flexible than regular thinset adhesive and therefore better suited to some applications. They can be installed on any type of support and can even be used to create partitions, with no structural support required. you should still water proof with a liquid membrane product like RedGuard. For the floor I make a dry mix mud base and then the Kerdi membrane. When I do another shower I'll use real cement board, not Hardi-board. To prevent those movements from transferring to the tile floor, consider installing an uncoupling membrane between the concrete and tile surfaces. 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. Shouldn't take too long, maybe an hour or so. What do you mean it doesn't adhere? 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. 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. Recovering from a blunder I made while emailing a professor, Minimising the environmental effects of my dyson brain. The difference between the phonemes /p/ and /b/ in Japanese. On the 'rolling pin', it actually wasn't the kitchen kind, but rather a very heavy metal roller DH had from some sort of fabrication table. The product involves an extruded polystyrene foam panel, with specialized reinforcement materials on both sides. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. About an argument in Famine, Affluence and Morality, Acidity of alcohols and basicity of amines. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. . It could take longer if the space is particularly wet or humid. Cement board is known to be very heavy and somewhat difficult to cut. Once its applied, the last step is to follow up the waterproof coating with a waterproof sealant. x 33 ft. Waterproofing Membrane: Kerdi-Board 1/2 in. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. WATCH HERE: https://www.youtube.com/watch?v=3TRLd2HYhbU&list=PLO47JMsdYGrkxM_ZkOc3lMnsVhTqj80bB#justdoityourself #lovingit #p. is that because water doesn't really hit that area?" - Lisa Jasper That's pushing it but should be fine. Kerdi board, on the other hand, is an extruded polystyrene foam panel. that's home depot homeowner installation method. A complete schluter shower kit is like $700-$900 depending on the size - this includes the pitched foam shower pan. The core isnt waterproof, but it can withstand getting wet without falling apart, so even if your waterproofing system leaks, the board will stay intact. Redgard is a similar product. Kerdi Membrane is a product of Schluter systems. There's a really great manual (with diagrams) that makes this all easier to understand. It installs with screws, then you tape the joints & screw holes and install your tile. 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. I would avoid Hardi, as Avanti is right that it is thirsty. The problem is on the back side of the drywall, which is not protected. On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs. Removing bathroom tile from cement backerboard, Transition from KERDI membrane backed, to not backed. They are designed to provide a waterproof, vapor-tight layer to the substrate, which in this case would be the cement board. Cement board sucks up the moisture and as a result, the kerdi doesn't always stick as well to cement board. What are the differences between "paperless drywall" and "cement board"? Should I redo this wall to avoid a mold sandwich? Though, each product comes with its own individual characteristics, and pros and cons. By the time you switch from the RG application to the Kerdi installation, it should be dry. 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. Run a damp towel over the cement board surface to dust . Additionally, a liquid water-resistant membrane should be applied over all surface areas before installation. This allows the cement to properly hydrate, resulting in To ensure the floor is clean, wipe it with a wet sponge. As fiber cement board is similar to regular cement board, it makes sense to choose the one that is cheaper or more readily available. link to What Kind Of Paint For Garage Walls? Spacers are the next step. 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. However if installed on drywall it is only protecting one side. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'remodelormove_com-leader-2','ezslot_21',165,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-2-0');Once the seams are sealed, lay down a waterproof coating to the floor and walls of the shower space. I want to mount a cast iron bathtub, but not pull down my 1905 plaster and lath. The main types of cement board you could encounter are Fibre Reinforced Cement (FRC) board and gypsum board. Thanks Paul! Kerdi can even be installed over drywall. Good luck with your project. First, its super lightweight compared with the rest. Kerdi's systems are fairly reputable. You are wise to use a cement board. 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. Kerdi-Board panels allow the installer to prepare and create a broad range . 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. 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. Jun 21, 2017. Not even the plumber's fault as it was just a bad valve. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. Ideally the DalSeal TS would fold into the gap between the wall and ceiling concrete board. 120 sq feet including the floor. Why do small African island nations perform better than African continental nations, considering democracy and human development? 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. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? 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. Foam-core tile backing board has two big advantages over other backer boards. Portland cement-based unmodified thin-set mortars are dependent on the presence of moisture for hydration in order to gain strength. In my. 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. (3ft-3in wide). 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. DensShield is one common brand. All it takes is the right preparation. Waterproof showers are the trend today, so RedGard is an excellent alternative to cement boards that act as vapor barriers. You troweled on thinset combing it out then pressed the Kerdi into place? Other mistakes I was making early on:-over working the thinset. Here are the fundamentals of tile installation over cement board. We tried adding water to the thinset, we tried using a larger notch trowel, but nothing seems to make the Kerdi stick. A quality underlayment will also serve as a waterproof barrier between the subfloor and the tile surface. Install the Schluter Kerdi membrane over the backer board using the correct mortar. When it comes to selecting thinset for cement board, there are a few important factors to consider. This will ensure that the coating sticks to the cement board. Learn more about Stack Overflow the company, and our products. Will add it in. If you ensure that silicone goes in and that the thin-set and grout do not bind there you should be good to go. RedGard, on the other hand, is a liquid waterproofing membrane made by Custom Building Products. Firstly, it is important to ensure the wall is adequately prepared and that it is smooth, flat and free of defects. 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. The 30-in. 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. Once its cleaned, use caulk to seal all of the seams where the cement board meets the walls. Once youre sure that the membrane is completely dry, you can then move forward with tiling. GoBoard is a kind of backer board because the main elements of a backer board are cement, silica, fiberglass, etc. Cement board, Wedi board, Kerdi board, Hardibacker, Densshield, Durock, Permabase, or Wonder board . (3ft-3in wide)Or will the Kerdi membrane (with seams taped with kerdi band) prevent each board from moving . Jessica considers herself a home improvement and design enthusiast. Everyone knows brick and stucco, but what about fiber cement and metal? @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. Self-leveling underlayment has many of the same advantages as a dry-pack mortar bed but doesnt require as much skill to install. It is a fast process that is hard to mess up if you do it right. A successful tile installation largely depends on the substrate that the tile is attached to. Additionally, the use of modified thinset with KERDI could lead to cracks and other issues down the line as the modified thinset can shrink and pull away from the KERDI membrane over time. Step 2: Determine the room's center. It is lightweight and made of expanded polystyrene. 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. Ultimately, the decision between a Schlter system or a cement board comes down to the particular application and the goals the user has for the floor system. The drywall's back side fails, and it's just as bad or worse than it was on the tile side. Properly waterproofed Hardie board should last for many years. Making statements based on opinion; back them up with references or personal experience. Schluter approves their waterproof Kerdi membrane over drywall. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . Yes, Hardie board needs to be waterproofed. 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. LONDON. Hardie board is thirsty, but that's way too fast. ".1) is is okay to use kerdi board instead of ditra on the floor? Schluter-KERDI is a pliable, sheet-applied, bonded waterproof membrane and vapor retarder with limited crack-bridging capabilities. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. I used 1/2 Hardibacker board over the studs and then used the Kerdi membrane over the Hardi. Fiber cement board is available in 1/4-inch and 1/2-inch thicknesses. First, felt paper is stapled to the floor and covered with expanded metal lath. 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. Once this is done, continue the installation by following the directions for the particular Kerdi product being used. 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. 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. 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. Yes, Schluter membranes can go over cement board. New England. MAPEI makes products for each step of the remodel process, giving you a single source solution, and only one phone number to call if you need assistance! The Kerdi-Line prefab pans and drains make me feel way more comfortable with the waterproofing. And we are using a drippy mixture, it slides off the trowel. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. Moisture resistant can cause similar problems, and there is absolutely no advantage to it. Tile Shower SurroundCement Backerboard Location? One thing I do like fibercement (Hardie) for is when I need thin strips of cement board. Additionally, all seams should be sealed with Kerdi Fix and covered with fleece. 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! With so many different types of underlayment to choose from, it can be hard to decide which is best for your project. 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. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. A good rule of thumb is 24 hours per inch of thickness, then one more day on top of that to be sure. Caulk the gap. 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. No, that doesn't sound right. 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. Furthermore, if another trade, such as the shower glass installers, makes a mistake then you'll be . How do I connect these two faces together? Hardi is definitely a "thirsty" substrate but will work, even without a primer of RedGard. Set ceramic and stone tile over the KERDI membrane with unmodified thin-set mortar, including large format tiles. 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. True cement board (Durck, Wonderboard) is my first choice as a tile or Kerdi backer. But you might be struggling to figure out what kind of paint to use on garage walls. For the floor, he should've put a mortar bed, then a membrane that goes over the curb, then another mortar bed. Regardless, cement board is a great, trusted tile substrate that will work well on both walls and floors. They are available in thicknesses of 3/16, 3/8, 1/2, 3/4, 1, 1-1/2, and 2 (5, 9, 12.5, 19, 25, 38, and 50 mm). What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Cement board is readily available and relatively inexpensive (about $10 for a 3 x 5-ft. sheet). Anytime Mongo. Are there tables of wastage rates for different fruit and veg? Since KERDI is impervious, it does not deprive the mortar of its moisture. the cost of the tile job. Find the website that's made specifically for you. The back side of the drywall fails and it is just as bad or worse than if it had an issue on the tile side. Answer (1 of 3): Schluter recommends applying Kerdi over drywall for walls, however, my local building code will not permit this practice - the local building code requires cement backer on the walls of a shower enclosure, therefore, I have done this successfully many times. First, it's super lightweight compared with the rest. When installing KERDI with . Can I put Kerdi board over drywall? We also found that using a heavy rolling pin worked wonders for really setting the Kerdi. Hi.I have a unique situation. This is often accomplished by filling any holes and cracks in the wall with appropriate spackling or patching material. 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 Additionally, seal the space around any pipes and fixtures that can be found in the shower. I have used kerdi, and I have applied it over 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. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? Overall, putting Kerdi over regular drywall can be done, with the proper steps in place to properly install the membrane and its components. Putting this stuff on walls is difficult and time . Greenboard is the same as regular drywall. Fixing that is not that easy though.
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