To properly seal a cement board for a shower, its important to first properly prepare the surface. Yes, it is possible to put Kerdi over regular drywall. How do I align things in the following tabular environment? Wedi Board vs Cement Board vs Kerdi Board - The Ultimate Home Living Blog Can I install Kerdi board just on the walls of my shower and use a PVC membrane on the floor? The boards come in three-foot by five-foot and four-foot by eight-foot panels, sized for efficient use in bathrooms. We mixed the thinset, it wasn't as smooth as the utube video, but it was close, and we gave it ten minutes. Your Get free, zero-commitment quotes from pro contractors near you. Cement boards are typically capable of withstanding larger amounts of water, while a Schlter system is designed to hold up well only in dry conditions. The problem is on the back side of the drywall, which is not protected. It also helped me to work in smaller sheets. Such membranes typically come in a brush or a roller form and can help create a durable barrier against water infiltration. Once this is done, continue the installation by following the directions for the particular Kerdi product being used. Thanks to all for the feedback. The drywall's back side fails, and it's just as bad or worse than it was on the tile side. I have corrugated metal shower surround & grab bars. When installing KERDI with . Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . I trust it and have never had a callback. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. Kerdi 3 ft. 3 in. Run a damp towel over the cement board surface to dust . Schluter Kerdi 108 Sq Ft Waterproofing Membrane - amazon.com rev2023.3.3.43278. But that doesn't address your question, so it's just a comment, not an answer as such. We ended up sponging the Hardi and wetting and booking the Kerdi (a la wallpaper), and that made the installation go much smoother. Yup! It is important to overlap the edge of the membrane so that it covers slightly more than half of the drywall behind it. Let's start! First, its super lightweight compared with the rest. Probably the simplest way is to caulk the gap with 100% silicone or a urethane sealant. And by 'booking the Kerdi' I mean we put it in the bathtub, sprayed it with the handshower, then booked it (just like wallpaper). The surface of Wedi is perfect for bonding. Ready to join the 100,000+ homeowners matched with pros? The major drawback to cement boards is their weight, as they are incredibly heavy and can be difficult to cut. What do you mean it doesn't adhere? Liquid membrane over cement board | Terry Love Plumbing Advice 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. Here are the fundamentals of tile installation over cement board. 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. First, felt paper is stapled to the floor and covered with expanded metal lath. What's the difference between a power rail and a signal line? Kerdi Membrane Installation (Step-by-Step Installation Guide) The Kerdi/Daltile TS underlayments do have some valid applications such as in steam shower installations where a bullet proof vapor barrier is required. . 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. I hope you made the guy flood test his work prior to tiling the shower floor. Cross your fingers and hope it's all OK. Not the best Kerdi Showcase. Hello D Zak! I'm thirsty. Once the adhesive has been applied and has had time to properly cure, then the KERDI membrane can be applied to the wall. The Kerdi-Line prefab pans and drains make me feel way more comfortable with the waterproofing. The Pros and Cons of Various Tile Backers | Family Handyman The shower is ready for tile. Let the mortar dry for 24 hours then test the shower. WATCH HERE: https://www.youtube.com/watch?v=3TRLd2HYhbU&list=PLO47JMsdYGrkxM_ZkOc3lMnsVhTqj80bB#justdoityourself #lovingit #p. 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. It only takes a minute to sign up. What changes do you suggest to make Bathroom looks more updated? KERDI features a modified polyethylene (PEVA) core with non-woven polypropylene on both sides to anchor the membrane in the thin-set mortar. Using cement board and a sheet membrane . 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. Press the Kerdi Membrane into the Thinset Mortar with firm, even pressure to achieve full mortar coverage. Recovering from a blunder I made while emailing a professor, Minimising the environmental effects of my dyson brain. 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. But a mortar bed does have advantages. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. It is a fast process that is hard to mess up if you do it right. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-narrow-sky-1','ezslot_27',168,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-narrow-sky-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-narrow-sky-1','ezslot_28',168,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-narrow-sky-1-0_1');.narrow-sky-1-multi-168{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}Waterproofing should also be done on other areas in the shower as well such as the corners, window sills and other areas where water can easily accumulate. My idea is to block in and install the tub in the existing corner, erect the new wet wall, and use hardi-backer to shim the wall out over the tub flange, then apply kerdi over the whole thing.Does kerdi take offense at being installed over hardi? Schluter Kerdi on regular drywall - GreenBuildingAdvisor Bulk update symbol size units from mm to map units in rule-based symbology. I posted a plea for help and Mongo and Bill both gave me good advice. Both may be effective substrates, but Kerdi Board boasts significant advantages. The curb doesn't have to be any wider than a 2x4. We tried adding water to the thinset, we tried . Installation; As the GoBoard is very lightweight, it becomes easy to . #2 - Your suggestion has plenty of merit though. 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. A place where magic is studied and practiced? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. that's home depot homeowner installation method. The difference between the phonemes /p/ and /b/ in Japanese. 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. When it comes to tile underlayment, your options can be categorized into three main classifications, each suitable for different tiling circumstances: Although cement board is the most commonly used underlayment for tile, Kerdi board is growing in popularity as a multifunctional tile substrate. No, you do not need to install a vapor barrier, as Kerdi Board is the vapor barrier. Can you remove tile from Kerdi membrane? 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. A lot of folks like using cement board but it's heavy and requires a waterproofing membrane over it. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. First, it's super lightweight compared with the rest. Putting this stuff on walls is difficult and time . I just a few weeks ago put kerdi on top of hardi-board in my shower and it was PAINFUL! rev2023.3.3.43278. The shower tray eliminates the need for a mortar bed. 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. Why do you think each board should be able to move at all let alone independently? Yes, Kerdi membrane can be installed over plywood. Best Cement Boards for the Shower - The Spruce The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. A complete schluter shower kit is like $700-$900 depending on the size - this includes the pitched foam shower pan. Schluter-KERDI | Waterproofing (KERDI) | Schluter 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. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. 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. "..2) the kerdi band isn't stuck flat -- the edges in some spots are wavy. I simply sponge off the excess. 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. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. 120 sq feet including the floor. ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. 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 . As far as the tile/prep work, you are right that he is shifting the blame. Hang the cement boar. How do you show the depth of a hole in a drawing? 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. 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. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). Sloped Shower Tray KST1220/1525 - The Home Depot. Additionally, it is important to waterproof cement board before tiling, as the grout and tiles can help keep the board watertight. 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. More waste, yes, but I think you have to have a LOT of practice to hang those huge sheets like mongo does. The gridlines printed on the surface are beneficial for the installation process, also allowing for quick, neat cuts with a utility knife. 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. What is a word for the arcane equivalent of a monastery? Foam-core tile backing board has two big advantages over other backer boards. liquid waterproofing (redgard) over durock cement board - bathroom Modified vs. Unmodified Mortar With Kerdi Membranes The big issue with cement board is that the thinset will skin over really quickly. Kerdi really offers very little advantage over hardiboard plus membrane. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. The 30-in. The fastest method [for me and possibly other dilettants] is to stroke the knife at a diagonal to the comb marks, top down, center out, pushing all the air before you with short, overlapping strokes.-Thinset needs to be pretty darn wet: Needs to stay put when combed, but should be soft and shiney. Your real issues are the lack of proper corners on this shower. 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. By: Author Olin Wade (Remodel or Move Stuff). Kerdi can be installed first on drywall or cement board. PROBLEM SOLVED for Tub Flange when Installing Cement Board - YouTube 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. The best answers are voted up and rise to the top, Not the answer you're looking for? Kerdi membrane over drywall in shower - qkfb.recidivazero.it For the floor I make a dry mix mud base and then the Kerdi membrane. We apply the thinset the recommended trowel, can't remember what size off the top of my head, in small sections and by the time my husband hands my the piece of membrane the thinset is not skinned over but certainly dry. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Ratings (91) (5) (91) (3 . How to install a kerdi membrane over cement backer board - Quora 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. 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. First Kerdi can be installed on drywall or cement board. Can you put KERDI over regular drywall? - remodelormove.com 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. As a contractor, I have been using Kerdi since it came out. When applying thin-set mortar, the manufacturers instructions should be followed closely. This makes Kerdi Board suitable for a wide variety of interior applications, including kitchen countertops. 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 Finally, make sure to select a thinset that is appropriate for the job, check the manufacturers recommendation, and always follow the instructions on the product label. Ditra is manufactured in a 3'3 width and comes in various roll lengths (54sf, 150sf, and 323 sf). Properly waterproofed Hardie board should last for many years. 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)). When it comes to applying KERDI, however, it is advised to use a regular thinset that includes portland cement as its main component. No, that doesn't sound right. Make sure to use multiple coats, if necessary. The waterproof membrane isn't a substitute for the substrate. 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. you should still water proof with a liquid membrane product like RedGuard. 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). Schulter Ditra is manufactured by Schluter Systems and is a 1/8 thick polyethylene uncoupling membrane that is specifically designed for tile installations. If you do not already have the hardi up, I recommend using real cement board (Hardi is a fiber-cement) or drywall. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. Then you can apply a thin layer of KERDI-FIX to the board, the membrane over top . Even the tiling subs have moved away from mortar walls because of the labor cost and lack of craftsmen in the industry. I can take a bit of it off the wall and roll it into a ball. Like cement board, the boards are heavy and hard to cut. I've seen preferences regarding HardieBacker and the cement board products such as Wonder Board. Asking for help, clarification, or responding to other answers. It only takes a minute to sign up. Politique d'Utilisation des Cookies de Houzz. 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. 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. Yes, you need waterproofing behind shower tile. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. 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. For the floor, he should've put a mortar bed, then a membrane that goes over the curb, then another mortar bed. I like to use a garden sprayer to keep the thirsty Kerdi wet. The Kerdi is essentially replacing the backerboard. Connect and share knowledge within a single location that is structured and easy to search. 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? 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. Continuing Education for Architects & Designers. That's the way us "Tile Guys" do it all the time. There's a really great manual (with diagrams) that makes this all easier to understand. link to What Kind Of Paint For Garage Walls? This feature makes building the base structure much easier and more cost . 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? ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. Will be doing a bathroom gut and will be laying durock cement board over plywood sub floor. DIYers on this forum seem to have nothing but problems with Hardi. Will add it in. True cement board (Durck, Wonderboard) is my first choice as a tile or Kerdi backer.