. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. With Wedi products, the compound curves are easy to produce quickly. 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 also used the Kerdi drain. Politique d'Utilisation des Cookies de Houzz. Glass mat gypsum board is a better choice. Will be replacing tub shower combination with tiled shower in my home. 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. I usually use Durock. Learn more about Stack Overflow the company, and our products. When applying the primer, make sure to cover all surfaces thoroughly, as these will be completely covered by the KERDI membrane. Additionally, all thin-set should be allowed to cure for 24 hours before tiles are installed. Can I put Kerdi board over drywall? For the floor I make a dry mix mud base and then the Kerdi membrane. Seams and joints should also be waterproofed and caulked to prevent water from seeping through. PROBLEM SOLVED for Tub Flange when Installing Cement Board and Tile. Cement board is a good, reliable backer board that works well on both floors and walls. Kerdi, a waterproofing membrane made of a special polyethylene fabric, should be allowed to completely dry prior to tiling. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. It costs more but it;s worth it for the ease of install IMO. First Kerdi can be installed on drywall or 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. To learn more, see our tips on writing great answers. In the worst case, it's OK to cut the Kerdi, remove the damaged section, scrape up the thinset from the areas, and set a new piece of Kerdi. 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. x 48 in. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? is that because water doesn't really hit that area?" - Lisa Jasper That's pushing it but should be fine. 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. If any is found, wait a few more hours and then re-inspect. Your email address will not be published. The thickness of the tile is important, and should be known, but not because it changes the method of building. To waterproof Hardie board, you should choose a quality sealer that is designed for use on cement-based sidings. It is a pliable waterproofing membrane that also doubles as a vapor retarder. Hi.I have a unique situation. Both Kerdi Board and cement board are designed to smooth out uneven spots on the installation surface, create an unbending layer that wont flex underfoot, and also provide a waterproof barrier. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. Finally, use a roller or brush to ensure that the membrane is secure and has no wrinkles or air bubbles. rev2023.3.3.43278. When installed, Kerdi Board creates a substrate that is level, flat, square, plumb, and dimensionally stable. Hang the cement boar. First, its super lightweight compared with the rest. Needed to interject a little "amateur humor. Waterproofing is an important aspect of any bathroom or wet-area installation. Will use the Schluter Shower system. The waterproof membrane isn't a substitute for the substrate. Some being easier to work with than others. It is also widely available and a relatively inexpensive option approximately $10 for a 3-foot by 5-foot sheet. 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. However if installed on drywall it is only protecting one side. See the foam bench and the corners. Why do small African island nations perform better than African continental nations, considering democracy and human development? 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. Yes, Hardie board needs to be waterproofed. 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). The boards come in three-foot by five-foot and four-foot by eight-foot panels, sized for efficient use in bathrooms. Using Kolmogorov complexity to measure difficulty of problems? RedGard On Hardibacker Board. I can take a bit of it off the wall and roll it into a ball. ! Other mistakes I was making early on:-over working the thinset. The Kerdi is essentially replacing the backerboard. Make sure the floor is level in the shower. How do I align things in the following tabular environment? Moisture resistant can cause similar problems, and there is absolutely no advantage to it. @DMoore- OK, I agree that with redguard it would be redundant. There is definitely skill & planning required to doit right. Maybe try another brand of thinset? Kerdi-Board panels allow the installer to prepare and create a broad range . She grew up surrounded by constant home improvement projects and owes most of what she knows to helping her dad renovate her childhood home. Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers before tiles are installed. Should I redo this wall to avoid a mold sandwich? Make sure to use multiple coats, if necessary. However, a cement board is generally easier and less expensive to replace if a repair is needed. Why is there a voltage on my HDMI and coaxial cables? Step 2: Determine the room's center. Asking for help, clarification, or responding to other answers. 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. Think about movement. If you do not already have the hardi up, I recommend using real cement board (Hardi is a fiber-cement) or drywall. First, you would waterproof with your favorite liquid waterproofing membrane of . Hardibacker is a VERY "thirsty" material that sucks the moisture out of the mortar VERY quickly and I don't like it. To line niche shelves, for instance. First, felt paper is stapled to the floor and covered with expanded metal lath. How do you show the depth of a hole in a drawing? 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. As fiber cement board is similar to regular cement board, it makes sense to choose the one that is cheaper or more readily available. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? We mixed the thinset, it wasn't as smooth as the utube video, but it was close, and we gave it ten minutes. By the time you switch from the RG application to the Kerdi installation, it should be dry. 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. Why you use cement board? This is confusing since Kerdi Board has no Kerdi on it. Water-resistant gypsum board, or green board, was used in the past as a tile backer but is no longer recommended, mainly because better products are available. 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. With cement board as a substrate, the key is to ensure proper installation of the membrane. There are many different types of underlayment to choose from, but they all serve the same purpose. The cement board core itself is not waterproof, but it can withstand water without falling apart. Such membranes typically come in a brush or a roller form and can help create a durable barrier against water infiltration. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. Kerdi Board panels have a number of other advantages: they can be cut to size using an ordinary utility knife, can be glued or screwed into place, and are very lightweight. No, you do not need to install a vapor barrier, as Kerdi Board is the vapor barrier. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . It only takes a minute to sign up. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. 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. How "tidy" does the kerdi band need to be? I also used a larger sized trowel than the one recommend by Schluter. Ceramic Tile Advice Forums - John Bridge Ceramic Tile, http://www.youtube.com/watch?v=G4HjHT6_cUo, http://www.youtube.com/watch?v=wEt6irjJCI0, My master suite addition & full bath to 1/2 bath renovation. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? The bag says Mapei floortile mortar, it was the only unmodified thinset at our hardware store. Thanks Paul! The cement board needs to be clean, free of debris, and dry. It's not a matter of trusting the Kerdi. Your Get free, zero-commitment quotes from pro contractors near you. Connect and share knowledge within a single location that is structured and easy to search. Why does the plumbing rough need to be moved? 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. They can be installed on any type of support and can even be used to create partitions, with no structural support required. I'm guessing he put a 2x6 across for the curb? ", Signed,Never Hung Kerdi A Day In Her Life. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. Kerdi does admit that you can use cement board. Cement board (cbu) is not waterproof, but is not damaged by being wet. But there are downsides. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is this the case? 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 Yup! 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? Anytime Mongo. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. Once the wall is prepped, use a primer that is compatible with the KERDI membrane so that it will properly adhere to the wall. Ditra is manufactured in a 3'3 width and comes in various roll lengths (54sf, 150sf, and 323 sf). Good luck with your project. Yes, it is possible to put Kerdi over regular drywall. As such, many homeowners and professionals find themselves wondering whether Kerdi Board or cement board is the better tile substrate. When applying thin-set mortar, the manufacturers instructions should be followed closely. And second, since its foam, the board is super easy to cut with just a utility knife. Using self-leveling underlayment takes careful prep work. Self-leveling underlayment has many of the same advantages as a dry-pack mortar bed but doesnt require as much skill to install. 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. We are no longer supporting IE (Internet Explorer), Do not Sell or Share My Personal Information. Following the correct application of Kerdi membrane over cement board will ensure a successful waterproofing installation and lasting results for your tile project. is the contractor creating a waterproof schluter-kerdi shower? 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. We tried adding water to the thinset, we tried . 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! . Out of curiosity, why are any of you suggesting backerboard at all? :/. Let the mortar dry for 24 hours then test the shower. You are wise to use a cement board. On a vertical surface, very little moisture . Jun 21, 2017. We waterproof the outside the hardiboard in 99% of the install with something like redgard. Sledge hammers for the floor, that might take a bit of time. When I do another shower I'll use real cement board, not Hardi-board. On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs. This will prevent water from entering from behind the membrane, and will provide a more secure waterproof layer. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. There is no cutting or fitting of boards, and a mortar bed is good for leveling and flattening uneven or out-of-level floors, which are common in old houses. First, it's super lightweight compared with the rest. Here are the fundamentals of tile installation over cement board. I will say that to is easier to put the membrane over drywall than cement board. 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. The manual can be found here: http://floorelf.com/waterproof, I would say unless you are experienced in working with Schluter-Kerdi waterproofing membrane kit, then I would say work with an easier waterproofing approach, either liquid waterproofing or a combination of liquid and traditional waterproofing (plastic covering the wood frame). If you want to go to the extra effort of putting the membrane over drywall, there is no need to use greenboard. Kerdi's systems are fairly reputable. 120 sq feet including the floor. Builder saying he doesn't want to put my trim tile in here. Plus, most self-leveling formulas harden very fast, so you have to plan carefully so you can mix and pour quickly. Thanks for contributing an answer to Home Improvement Stack Exchange! I simply sponge off the excess. The cement board can also become weakened and start to flake away when it absorbs moisture, causing ugly spots and patches to start appearing on the wall. The great thing about Kerdi Board is that it is lightweight and easier to maneuver. The best answers are voted up and rise to the top, Not the answer you're looking for? Another advantage is that the polyisocyanurate core of foam boards is waterproof. 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. 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. We also found that using a heavy rolling pin worked wonders for really setting the Kerdi. We think it is the cement board (Durock) sucking the moisture out of the unmodified thinset. Cement board is a heavy mess compared to drywall, and drywall is a heavy mess compared to Kerdi Board. (3ft-3in wide). They are designed to provide a waterproof, vapor-tight layer to the substrate, which in this case would be the cement board. Cement board is known to be very heavy and somewhat difficult to cut. x 5-ft. and 3 x 5-ft. sheets of cement board are sized for efficient use around bathtubs and showers. I think I'll try using the thinned mixture of Redgard and then try the Kerdi membrane again. While cement board is a reliable tile underlayment, it isnt completely waterproof only water-resistant. Kerdi can even be installed over drywall. Then you can apply a thin layer of KERDI-FIX to the board, the membrane over top . After roughly two days I would fill the corner with silicone. Once you have determined the type of thinset, its important to also consider the weather conditions during installation.
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