Blocking should be constant across this area when openings are larger than your fist. Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. We are DIYers who have already remodeled one bathroom successfully, but this is our first time using The Schluter shower system. Been clankin' away at this computer for a couple of hours now, guys. 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. How do you show the depth of a hole in a drawing? 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. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. #4 You could be adding a good 1000 pounds to your install too. Yes. . This will prevent water from entering from behind the membrane, and will provide a more secure waterproof layer. Making statements based on opinion; back them up with references or personal experience. The use of modified thinset adhesive could result in an inadequate bond and could lead to possible delamination. Kerdi Board as a whole is much easier to install than Cement Board. After installing your mud bed, make sure it is fully cured before applying Aquadefense. Sweeby-Can you clarify- I undestood that the thinset would tend to dry out from the thirsty hardi or skim over from the air; so how does booking the Kerdi help with the first? BTW the older Kerdi thread referencedwas excellent. Kerdi membrane prevents water damage and mold development. Plus, most self-leveling formulas harden very fast, so you have to plan carefully so you can mix and pour quickly. The Kerdi/Daltile TS underlayments do have some valid applications such as in steam shower installations where a bullet proof vapor barrier is required. This creates a strong, waterproof tile backer that also functions as an uncoupling membrane. 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. 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. How do I align things in the following tabular environment? If you preorder a special airline meal (e.g. 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. It is a pliable waterproofing membrane that also doubles as a vapor retarder. Cut the Kerdi membrane to size using a utility knife or scissors. To learn more, see our tips on writing great answers. KERDI was developed as a waterproofing membrane to be used in . More waste, yes, but I think you have to have a LOT of practice to hang those huge sheets like mongo does. However, you do still have to take care to waterproof the seams and the fastener penetrations to create a waterproof assembly. Required fields are marked *. link to What Kind Of Paint For Garage Walls? But you might be struggling to figure out what kind of paint to use on garage walls. Using self-leveling underlayment takes careful prep work. How should I transition between cement board floor and alcove tub? Yup! After today's tutorial, you'll gain the confidence to transform your old bathroom into a new space. Unlike cement boards, you can bend this material without it breaking. there should be a small gap between the backer board and the tub. 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. Following the correct application of Kerdi membrane over cement board will ensure a successful waterproofing installation and lasting results for your tile project. Politique d'Utilisation des Cookies de Houzz. Installing cement board involves placing the boards atop a layer of thinset adhesive, a process known as bedding. The gridlines printed on the surface are beneficial for the installation process, also allowing for quick, neat cuts with a utility knife. Step 6: Choosing the Next Tile. Also - use a good thinset. She grew up surrounded by constant home improvement projects and owes most of what she knows to helping her dad renovate her childhood home. Additionally, all thin-set should be allowed to cure for 24 hours before tiles are installed. And by 'booking the Kerdi' I mean we put it in the bathtub, sprayed it with the handshower, then booked it (just like wallpaper). If you can paint a wall, you can use RedGard. This thread is 9 years old and it's the Hardi board that's thirsty not the Kerdi. 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. 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. Kerdi is not a user friendly product, and when you shrink your working time down it is downright stressful. #2. This feature makes building the base structure much easier and more cost . I've never had a failure. Both may be effective substrates, but Kerdi Board boasts significant advantages. is that because water doesn't really hit that area?" - Lisa Jasper That's pushing it but should be fine. This is the traditional tile backer. Tile Shower SurroundCement Backerboard Location? 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. Kerdi can even be installed over drywall. We ended up sponging the Hardi and wetting and booking the Kerdi (a la wallpaper), and that made the installation go much smoother. They can be installed on any type of support and can even be used to create partitions, with no structural support required. Tile can be installed directly over Kerdi-Board using the thinset method; For use with ceramic and natural stone tile; Return Policy; California residents. Cement board is the most common and widely-known backer board. Step 4: Place the Tile. You peeled it off? Kerdi Board is expensive, but I can justify it because it saves time, and it's a joy to use. It looks like you have Kerdi installed on the floor and not Kerdi Board. I agree that gypsum seems very questionable anywhere in the wet areas of a shower. Bulk update symbol size units from mm to map units in rule-based symbology. Need help liner vs liquid membrane question. Do I have to use Kerdi tape with Ditra membrane? Ditra is manufactured in a 3'3 width and comes in various roll lengths (54sf, 150sf, and 323 sf). Using cement board and a sheet membrane . Jun 21, 2017. It is lightweight and made of expanded polystyrene. Other mistakes I was making early on:-over working the thinset. Cement board is a mineral-based board, usually 30 inches by 60 inches, that is used as a lower, dimensionally stable surface for installing ceramic tile, porcelain tile, or stonework. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. This liquid waterproofing solution does more than keep water away, it also promotes tile adhesion and prevents cracking. It's a lightweight polystyrene board faced with Kerdi that comes in various thicknesses that you can use in place of drywall or cement board. 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. My floor tiles are 2" x 2"." - Lisa Jasper No - you can not use Kerdi Board on the floor. "..2) the kerdi band isn't stuck flat -- the edges in some spots are wavy. 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. It fell right off? Porcelain and ceramic tiles are stiff and hard materials, so if they are installed on an unlevel or bouncy surface they are highly susceptible to cracking. Cement board is a bit better, but you need to spray either one before applying the mortar so that it doesn't "skin over" before you can get the Kerdi up. A lot of folks like using cement board but it's heavy and requires a waterproofing membrane over it. Kerdi board, on the other hand, is an extruded polystyrene foam panel. Cement board is readily available and relatively inexpensive (about $10 for a 3 x 5-ft. sheet). To ensure that the Kerdi is completely dry prior to tiling, inspect the inside of the membrane for any signs of moisture or condensation. The thickness of the tile is important, and should be known, but not because it changes the method of building. With cement board as a substrate, the key is to ensure proper installation of the membrane. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). When doing so, it is important to ensure that the drywall surface is clean and free of dust, grease, and loose paint. First, felt paper is stapled to the floor and covered with expanded metal lath. Then you can apply a thin layer of KERDI-FIX to the board, the membrane over top . If I go the kerdi membrane route, do I still need to tape the joints before installing the kerdi membrane . For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. Well, I'm going to give you three different ways to seal the backer board at the tub flange. If you ensure that silicone goes in and that the thin-set and grout do not bind there you should be good to go. Because it can let some moisture wick through it, you have two choices: put a moisture barrier behind it to protect the structure, or, waterproof the front of it. There is a product called Kerdiboard you might want to look into. Is a PhD visitor considered as a visiting scholar? see Prop 65 WARNINGS. This will help to ensure that all drywall is completely covered. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I hope you made the guy flood test his work prior to tiling the shower floor. If you do not already have the hardi up, I recommend using real cement board (Hardi is a fiber-cement) or drywall. True cement board (Durck, Wonderboard) is my first choice as a tile or Kerdi backer. It is a fast process that is hard to mess up if you do it right. And for a more secure fit, you can also use screws. 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. Whether or not you need a Kerdi membrane is a factor of use. We just went through a learning curve on the Kerdi and Hardi. When installing KERDI with unmodified thin-set mortar over particularly dry and porous substrates, it is recommended to wet the substrate first, in order to help prevent premature drying or skinning of the thin-set mortar. 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. Or will the Kerdi membrane (with seams taped with kerdi band) prevent each board from moving independently? Kerdi really offers very little advantage over hardiboard plus membrane. 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. x 48 in. Kerdi Board is suitable for a number of interior applications. All shower/tub areas should have concrete board (I prefer hardiboard). 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. 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. As far as the tile/prep work, you are right that he is shifting the blame. The completed assembly takes the place of more traditional backer board when installed over 3/4-inch wood subfloors. Will use the Schluter Shower system. Finally, use a roller or brush to ensure that the membrane is secure and has no wrinkles or air bubbles. If any is found, wait a few more hours and then re-inspect. Putting this stuff on walls is difficult and time . Both may be effective substrates, but Kerdi Board boasts significant advantages. It's still applied to cement board. x 5-ft. and 3 x 5-ft. sheets of cement board are sized for efficient use around bathtubs and showers. ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. 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. I think I'll try using the thinned mixture of Redgard and then try the Kerdi membrane again. This allows for future compression and an area at the corner where things are more forgiving. By: Author Olin Wade (Remodel or Move Stuff). 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. Sloped Shower Tray KST1220/1525 - The Home Depot. 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. 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 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). 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. See the foam bench and the corners. Yes, KERDI membrane will stick to 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. But that doesn't address your question, so it's just a comment, not an answer as such. This flexible polyethylene layer is easy to install and can protect the tile from both cracking and moisture. Thanks to all for the feedback. Anyone who has done more than 1 shower shouldn't start without knowing that. Good luck with your project. Shouldn't take too long, maybe an hour or so. (3ft-3in wide). RedGard On Hardibacker Board. Now there's nothing particularly wrong with fiber-cementit's just not my first choice. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Install an Uncoupling Membrane Between Concrete and Tile. Hang the cement boar. How to follow the signal when reading the schematic? Sledge hammers for the floor, that might take a bit of time. Can be cut to size easily using a utility knife. http://www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter%C2%AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT, We've added a "Necessary cookies only" option to the cookie consent popup. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. It is designed to form a waterproof layer between cement board and tiles, helping create a watertight installation. Is it ok to fasten a shower surround to Schluter Kerdi curb? The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. Fiber cement board is a variation of cement board that is made from compressed cement and sand and reinforced with wood fibers throughout.
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