How did this project turn out? Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. You don't want to block off the end of the air chanel and trap half a sheet worth of air under there.-Not paying attention to the direction of my knife. First, its super lightweight compared with the rest. Problem with very thick cement board/ tile/bullnose edge, Steam Shower Slip Joint Detail - The secret is in the boarding stage. 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. I think it is engrained in me to do that so I forget to mention it. Can be cut to size easily using a utility knife. The benefit of using kerdi is we can lay it over drywall, We've added a "Necessary cookies only" option to the cookie consent popup. I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. Do new devs get fired if they can't solve a certain bug? On a vertical surface, very little moisture . How "tidy" does the kerdi band need to be? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. When applying thin-set mortar, the manufacturers instructions should be followed closely. 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. builder, anti-builder, rebuilder -- Retired Moderator. I'm thirsty. Ideally the DalSeal TS would fold into the gap between the wall and ceiling concrete board. Schluter approves their waterproof Kerdi membrane over drywall. Yes, KERDI membrane will stick to cement board. 1. We were using a 3/16 x 5/32 trowel, probably to small. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Hardie board is thirsty, but that's way too fast. Schluter Ditra VS Cement Board (Which is better?) That's the way us "Tile Guys" do it all the time. 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. The main types of cement board you could encounter are Fibre Reinforced Cement (FRC) board and gypsum board. Fiber cement board is a variation of cement board that is made from compressed cement and sand and reinforced with wood fibers throughout. We are DIYers who have already remodeled one bathroom successfully, but this is our first time using The Schluter shower system. Yes, KERDI membrane will stick to cement board. To waterproof Hardie board, you should choose a quality sealer that is designed for use on cement-based sidings. An additional layer of sealant can also be applied on the seams for extra protection and water resistance. They are designed to provide a waterproof, vapor-tight layer to the substrate, which in this case would be the cement board. Redgard is a similar product. 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. GoBoard is a kind of backer board because the main elements of a backer board are cement, silica, fiberglass, etc. craft paper or plastic is great if the inspector wants it but it is (should be) doing nothing for a tub surround that has HB/redgard/thinset/tile. All it takes is the right preparation. While cement board is a reliable tile underlayment, it isnt completely waterproof only water-resistant. Keep in mind that most tile setters err on the side of caution and brush a waterproofing membrane on top of cement board when it is in wet areas like showers or tub surrounds. One of the major benefits of opting for Kerdi Board over cement board is the ease of installation. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. The shower is ready for tile. Kerdi vs Redguard cost breakdown. : r/HomeImprovement - reddit To create a watertight shower assembly, we installed Schluter's Kerdi membrane over the drywall, just as we would for tile.Write by:. We think it is the cement board (Durock) sucking the moisture out of the unmodified thinset. Kerdi's systems are fairly reputable. Cement board comes both in 1/4-inch-thick and 1/2-inch-thick versions. It is a fast process that is hard to mess up if you do it right. The 1/4-inch-thick board is typically used on floors and countertops. If I go the kerdi membrane route, do I still need to tape the joints before installing the kerdi membrane . Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . Unlike cement boards, you can bend this material without it breaking. To ensure that the Kerdi is completely dry prior to tiling, inspect the inside of the membrane for any signs of moisture or condensation. Kerdi Board as a whole is much easier to install than Cement Board. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can you put Kerdi membrane over plywood? - KnowledgeBurrow.com Thanks to all for the feedback. 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. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. To prevent those movements from transferring to the tile floor, consider installing an uncoupling membrane between the concrete and tile surfaces. When I do another shower I'll use real cement board, not Hardi-board. While cement board and grout are not waterproof, Kerdi is and can even be directly installed over drywall. In . Finally, it is important to remember that any thin-set that has been exposed to moisture must be replaced. Yes, Schluter membranes can go over cement board. A place where magic is studied and practiced? This product is available in 3/16", 3/8", 1/2", 5/8" 3/4", 1" 1-1/2" and 2" thicknesses, allowing for a wide variety of installation options. While cement board may be the most common and widely-known tile substrate, Kerdi Board is giving it a run for its money. There is a product called Kerdiboard you might want to look into. Preparing drywall for KERDI membrane requires a few important steps to ensure a successful application. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. Allow the adhesive to cure for the amount of time recommended by the adhesives manufacturer. What was the indicator that let you know that spritzing was not enough, and that you needed to 'sponge' the Hardi? Additionally, you can use KERDI-BAND around corners, seams, and joints to help with a waterproof installation. 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. Sure, you can do it.just be sure to "spritz" or wet the hardi thoroughly before.it's pretty "thirsty.". Like the example above. If you can paint a wall, you can use RedGard. This is confusing since Kerdi Board has no Kerdi on it. My floor tiles are 2" x 2"." - Lisa Jasper No - you can not use Kerdi Board on the floor. Cut the Kerdi membrane to size using a utility knife or scissors. Shouldn't take too long, maybe an hour or so. How to Install Kerdi Membrane - YouTube I think I'll try using the thinned mixture of Redgard and then try the Kerdi membrane again. We installed cement board on the walls, and today when we attempted to apply the Kerdi membrane we could not get it to adhere. Most of the entries in the NAME column of the output from lsof +D /tmp do not begin with /tmp. rev2023.3.3.43278. When installing KERDI with . That was not a fault of the Kerdi, or the installation. If installing large format tiles (over 15"), be sure to give the Aquadefense at least 8 hours to cure first. Press the Kerdi Membrane into the Thinset Mortar with firm, even pressure to achieve full mortar coverage. 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, it is important to waterproof cement board before tiling, as the grout and tiles can help keep the board watertight. Bulk update symbol size units from mm to map units in rule-based symbology. Is it plausible for constructed languages to be used to affect thought and control or mold people towards desired outcomes? 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? Step 4: Place the Tile. Schulter Ditra is manufactured by Schluter Systems and is a 1/8 thick polyethylene uncoupling membrane that is specifically designed for tile installations. 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? Kerdi Board is expensive, but I can justify it because it saves time, and it's a joy to use. This will help to ensure that all drywall is completely covered. Probably the simplest way is to caulk the gap with 100% silicone or a urethane sealant. How to install a kerdi membrane over cement backer board - Quora Fixing that is not that easy though. The completed assembly takes the place of more traditional backer board when installed over 3/4-inch wood subfloors. What I would be most scared off is the fact that no inside or outside corners appear to have been used. Make sure the floor is level in the shower. An extra layer of thinset is then added to the surface of the cement board to adhere the tiles in place. 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. One of the major benefits of opting for Kerdi Board over cement board is the ease of installation. The cement board needs to be clean, free of debris, and dry. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If your going to do the job do it right, and give professional advice pls. Following the correct application of Kerdi membrane over cement board will ensure a successful waterproofing installation and lasting results for your tile project. Putting this stuff on walls is difficult and time . Additionally, all thin-set mortars should be suitable for use in wet or feature depths of up to 1/8 inch. We recommend our users to update the browser. RedGard, on the other hand, is a liquid waterproofing membrane made by Custom Building Products. I can take a bit of it off the wall and roll it into a ball. This liquid waterproofing solution does more than keep water away, it also promotes tile adhesion and prevents cracking. To line niche shelves, for instance. Shower walls construction made easy with Kerdi-Board panels. - La Tuilerie 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. How should I transition between cement board floor and alcove tub? 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. Kerdi board, on the other hand, is an extruded polystyrene foam panel. Wedi Board vs Cement Board vs Kerdi Board - The Ultimate Home Living Blog When installation is done properly, Kerdi membrane offers a waterproof barrier that can protect the plywood below from moisture. 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. Kerdi board is a kind of waterproofer because these kinds of boards are made of XPS foam. KERDI was developed as a waterproofing membrane to be used in . Will use the Schluter Shower system. I would get someone else. The Kerdi-Line prefab pans and drains make me feel way more comfortable with the waterproofing. Removing bathroom tile from cement backerboard, Transition from KERDI membrane backed, to not backed. Once all areas have been properly waterproofed, the walls can be tiled and grouted to create a waterproof surface. 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. Jessica considers herself a home improvement and design enthusiast. Good luck with your project. Finally, use a roller or brush to ensure that the membrane is secure and has no wrinkles or air bubbles. 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. All it takes is the right preparation. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. Bathroom closets are often catch-alls for anything and everything remotely related to self-care. We tried adding water to the thinset, we tried . Kerdi Board vs. Cement Board. Kerdi membrane prevents water damage and mold development. The site is called floorelf.com. Also - use a good thinset. The cement board core itself is not waterproof, but it can withstand water without falling apart. 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. 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. 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. Rolling pin, good, now I can throw away my magnesium float.LOLCasey. Are there tables of wastage rates for different fruit and veg? This is necessary to ensure that the membrane will adhere properly to the drywall. Can You Put RedGard On HardieBacker Board? - Next Modern Home 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. We don't expect people to master this and in fact I know maybe two guys in my area (live in big city) that could do this. Some being easier to work with than others. One thing I do like fibercement (Hardie) for is when I need thin strips of cement board. I've seen preferences regarding HardieBacker and the cement board products such as Wonder Board. Tile can be installed directly over Kerdi-Board using the thinset method; For use with ceramic and natural stone tile; Return Policy; California residents. Once the wall is prepped, use a primer that is compatible with the KERDI membrane so that it will properly adhere to the wall. The great thing about Kerdi Board is that it is lightweight and easier to maneuver. Tile Shower SurroundCement Backerboard Location? I always install it over cement board or backerboard, never over drywall, even blueboard or the mold resistant greenboard. The main issue caused by non-waterproof cement boards is the eventual warping and damage to the tiles, making it difficult and costly to fix without removing all the tile and starting over. Cement board is known to be very heavy and somewhat difficult to cut. Learn more about Stack Overflow the company, and our products. Now there's nothing particularly wrong with fiber-cementit's just not my first choice. This will help to extend its lifespan and make sure it looks its best for years to come. Connect and share knowledge within a single location that is structured and easy to search. Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. When screwed to the framing, thin strips of cement board fracture more easily than thin strips of fiber-cement. New England. Kerdi can be installed first on drywall or cement board. 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. However if installed on drywall it is only protecting one side. It also helped me to work in smaller sheets. 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. If you ensure that silicone goes in and that the thin-set and grout do not bind there you should be good to go. It's not a matter of trusting the Kerdi. Both may be effective substrates, but Kerdi Board boasts significant advantages. A quality underlayment will also serve as a waterproof barrier between the subfloor and the tile surface. I've never had a failure. By: Author Olin Wade (Remodel or Move Stuff). Also, apply the acrylic mastic between the Create curved designs around pipes or columns using the vertically-grooved KERDI-BOARD-V, or use L-shaped KERDI-BOARD-E panels to enclose similar. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'remodelormove_com-box-3','ezslot_2',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');Yes, you can put Kerdi membrane over cement board. The waterproof membrane isn't a substitute for the substrate. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. 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. What are the differences between "paperless drywall" and "cement board"? The best answers are voted up and rise to the top, Not the answer you're looking for? When screwed to the framing, thin strips of cement board fracture more easily than thin strips of fiber-cement. Ceramic and porcelain tile, more than almost any other surface material, need a stable . For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. the cost of the tile job. GoBoard Vs. Kerdi For Your Shower: In-depth Comparison The Kerdi membrane should be applied with the standard procedure, using a hogg brush or a notched trowel to spread the thin-set mortar and a roller to ensure appropriate adhesion. 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.