A mortar wall is better and can be customized easier. In order to determine which tile underlayment is right for your project, you need to know which issue youre trying to solve whether its preventing subfloor cracks from transferring to the tile, soundproofing, moisture protection, or providing more rigidity to the tile. First, felt paper is stapled to the floor and covered with expanded metal lath. I like to use a garden sprayer to keep the thirsty Kerdi wet. When applying thin-set mortar, the manufacturers instructions should be followed closely. 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. We recommend our users to update the browser. Jun 21, 2017. Also - use a good thinset. Step 2: Determine the room's center. ), Schluter SET, ALL-SET, FAST-SET or an unmodified thin-set mortar is recommended. Step 4: Place the Tile. Furthermore, if another trade, such as the shower glass installers, makes a mistake then you'll be . However, if installed on drywall, it only protects one side. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin? The bag says Mapei floortile mortar, it was the only unmodified thinset at our hardware store. Go with smaller bags or only mix half. 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. 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. We tried adding water to the thinset, we tried using a larger notch trowel, but nothing seems to make the Kerdi stick. In normal residential use I wouldn't worry about it. Schluter Kerdi on regular drywall - GreenBuildingAdvisor Allow the primer to dry completely before proceeding with the KERDI installation. How to prep a shower for tile with Schluter Kerdi - TwoFeetFirst Why does drywall work in a Kerdi Shower? - Terry Love Plumbing Advice We waterproof the outside the hardiboard in 99% of the install with something like redgard. She grew up surrounded by constant home improvement projects and owes most of what she knows to helping her dad renovate her childhood home. I also used the Kerdi drain. And by 'booking the Kerdi' I mean we put it in the bathtub, sprayed it with the handshower, then booked it (just like wallpaper). While cement board is a reliable tile underlayment, it isnt completely waterproof only water-resistant. Cement board is a heavy mess compared to drywall, and drywall is a heavy mess compared to Kerdi Board. . Not to mention, its warrantied by Schluter, giving you the ultimate peace of mind. Kerdi Membrane is a product of Schluter systems. How "tidy" does the kerdi band need to be? Thanks for contributing an answer to Home Improvement Stack Exchange! The best answers are voted up and rise to the top, Not the answer you're looking for? Need help liner vs liquid membrane question. The cement board needs to be clean, free of debris, and dry. "thanks in advance :-) I know so little about this stuff, but when I watch videos (made by schluter-kerdi) everything looks so tidy and perfect - maybe that's not realistic'''" - Lisa Jasper It should look better than that and it's hard to tell but the wall stud spacing looks extreme and more than 16" I could not see if the screw heads where covered in the photos and in the one picture you can see that the screw and washer fitting where not covered. Kerdi Membrane Over Greenboard (Is It 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, such as from a plumbing leak, or from infiltration on an exterior wall (as unlikely as that might be). If you ensure that silicone goes in and that the thin-set and grout do not bind there you should be good to go. Various products can be used to waterproof shower walls such as water-resistant drywall and cement backer boards. They are square. . I think the first one I used was cheap and that was part of the problem. I also used the Kerdi drain. What's the difference between a power rail and a signal line? 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. if you go with vapour barrier, then cement board. Wedi vs. Kerdi Waterproof Membranes: Which Is Better? No, you do not need to install a vapor barrier, as Kerdi Board is the vapor barrier. First Kerdi can be installed on drywall or cement board. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? All it takes is the right preparation. Do new devs get fired if they can't solve a certain bug? 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. How can I find out which sectors are used by files on NTFS? 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. What changes do you suggest to make Bathroom looks more updated? ! Liquid membrane over cement board | Terry Love Plumbing Advice Re: Kerdi on shower curbs. Given the complexity, its easy to see why even experienced tile setters avoid dry-pack mortar and use backer board instead when they can. As a contractor, I have been using Kerdi since it came out. GoBoard Vs. Kerdi For Your Shower: In-depth Comparison I would fear leaks in all corners of this shower. 120 sq feet including the floor. Kerdi-Shower-T/-TS/-TT is a prefabricated sloped shower tray with integrated Kerdi waterproofing. If cement board had been used, most likely the damage would have been much less that what I have to deal with now. Do the prefab Schluter niches like the double unit 12 by 28shelf have a built in pitch to the bottom and middle shelves to drainoff water as shown in niche that you built in that thread? Cementboard sufficient to a tub surround is dirt cheap .vs. Our thinset was more watery than the videos, but it still managed to dry out quickly, even in the time it takes to apply the small corners in our shampoo niche. The Kerdi-Line prefab pans and drains make me feel way more comfortable with the waterproofing. Cement board is particularly vulnerable to water damage, so waterproofing can help protect it and help it last longer. This allows for future compression and an area at the corner where things are more forgiving. In general, the Schlter system is typically more expensive than a cement board, and some people may find this an attractive option for its long lasting, easy to maintain qualities. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? 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. 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. Why is this the case? By: Author Olin Wade (Remodel or Move Stuff). There are many different types of underlayment to choose from, but they all serve the same purpose. 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. Cement board sucks up the moisture and as a result, the kerdi doesn't always stick as well to cement board. You have to seal every little hole in the floor so the underlayment doesnt seep into spaces below. Is this overkill? Can You Put RedGard On HardieBacker Board? - Next Modern Home We just went through a learning curve on the Kerdi and Hardi. Kerdi vs Redguard cost breakdown. : r/HomeImprovement - reddit As such, many homeowners and professionals find themselves wondering whether Kerdi Board or cement board is the better tile substrate. Why is there a voltage on my HDMI and coaxial cables? Kerdi board, on the other hand, is an extruded polystyrene foam panel. 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. Sealing the tub flange for tile: 3 methods - DIYTileGuy Schulter Ditra is manufactured by Schluter Systems and is a 1/8 thick polyethylene uncoupling membrane that is specifically designed for tile installations. In a perfect job, it will waterproof. Is it Sinful to put Kerdi over Hardi-backer? - Houzz Tile Shower SurroundCement Backerboard Location? The 30-in. I'm guessing he put a 2x6 across for the curb? I have to redo my tub surround due to moisture leaks and failing grout. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. Plus, if you use the mold and moisture resistant drywall, it will be extra insurance against mold. There's a really great manual (with diagrams) that makes this all easier to understand. 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. Portland cement-based unmodified thin-set mortars are dependent on the presence of moisture for hydration in order to gain strength. What are the differences between "paperless drywall" and "cement board"? Once youre sure that the membrane is completely dry, you can then move forward with tiling. The product involves an extruded polystyrene foam panel, with specialized reinforcement materials on both sides. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. Modified vs. Unmodified Mortar With Kerdi Membranes Why do small African island nations perform better than African continental nations, considering democracy and human development? Kerdi Board vs. Cement Board. And second, since its foam, the board is super easy to cut with just a utility knife. Let the mortar dry for 24 hours then test the shower. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There is definitely skill & planning required to doit right. Yes, Hardie board needs to be waterproofed. This is confusing since Kerdi Board has no Kerdi on it. Spacers are the next step. Installation; As the GoBoard is very lightweight, it becomes easy to . How to follow the signal when reading the schematic? Personally, I like standard drywall. Most of the entries in the NAME column of the output from lsof +D /tmp do not begin with /tmp. Properly waterproofed Hardie board should last for many years. We use a pump action garden sprayer and its usually dry by the time we clean the sprayer. Should I redo this wall to avoid a mold sandwich? After roughly two days I would fill the corner with silicone. If you are laying tile on floors that are wavy or out of level, self-leveling underlayment is a great solution. Can you put Kerdi membrane over cement board? Drywall under Kerdi would have been a better choice. You can apply it on PVC, metal, slabs, walls, and floors. What I would be most scared off is the fact that no inside or outside corners appear to have been used. Will use the Schluter Shower system. Once its applied, the last step is to follow up the waterproof coating with a waterproof sealant. Other mistakes I was making early on:-over working the thinset. Once you have determined the type of thinset, its important to also consider the weather conditions during installation. Will be replacing tub shower combination with tiled shower in my home. Anytime Mongo. HardieBacker with Hydrodefense instead of Kerdi Board? : r/DIY - reddit The colour is different. As far as the tile/prep work, you are right that he is shifting the blame. Ready to join the 100,000+ homeowners matched with pros? No, that doesn't sound right. To waterproof Hardie board, you should choose a quality sealer that is designed for use on cement-based sidings. On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs. Why do you think each board should be able to move at all let alone independently? By the time you switch from the RG application to the Kerdi installation, it should be dry. Hardi is definitely a "thirsty" substrate but will work, even without a primer of RedGard. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). 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. This will ensure a strong bond between the KERDI membrane and the substrate. But a mortar bed does have advantages. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Hi David. Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. This feature makes building the base structure much easier and more cost . There is a product called Kerdiboard you might want to look into. 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. We tried adding water to the thinset, we tried . Kerdi really offers very little advantage over hardiboard plus membrane. 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. Continuing Education for Architects & Designers. And how do you keep too much water from interfering with the adhesion in the second scenario?Thanks!! Allow the adhesive to cure for the amount of time recommended by the adhesives manufacturer. Installing cement board involves placing the boards atop a layer of thinset adhesive, a process known as bedding. You probably have to go to a big box store's special order desk or find a specialty tile supplier to find it. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. Their lighter weight makes moving panels around during installation a cinch, which is a far cry from the heft of conventional cement board. Je peux rejeter les cookies non essentiels en cliquant sur Grer mes prfrences . Ratings (91) (5) (91) (3 . PROBLEM SOLVED for Tub Flange when Installing Cement Board and Tile. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. 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. This will help to extend its lifespan and make sure it looks its best for years to come. We sponge water onto the cement board. Should I use Kerdi membrane or cement backerboard? The best answers are voted up and rise to the top, Not the answer you're looking for? is that because water doesn't really hit that area?" - Lisa Jasper That's pushing it but should be fine. It's still applied to cement board. 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. After installing your mud bed, make sure it is fully cured before applying Aquadefense. It is lightweight and made of expanded polystyrene. We tried soaking the cement board and applying the kerdi in small sections. Ditra is manufactured in a 3'3 width and comes in various roll lengths (54sf, 150sf, and 323 sf). The mortar does . Building Panel: Price $ 119 00 $ 202 06 $ 279 00. Blocking should be constant across this area when openings are larger than your fist. Yup! Regardless, cement board is a great, trusted tile substrate that will work well on both walls and floors. The cement board core itself is not waterproof, but it can withstand water without falling apart. Kerdi Board vs. Cement Board: What Are The Major Differences? Hi.I have a unique situation. What is the proper substrate to use on tiled wall?
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