Carl Pavlovic (Construction Manager): Schluter's thought of everything. the cost of the tile job. First Kerdi can be installed on drywall or cement board. 1/2" inch Kerdi board is $3.60 sq. Why has Pakistan never faced the wrath of the USA similar to other countries in the region, especially Iran? Synthetics (KIRDI-BOARD and similar products) tend to run on the expensive side. I have a lot of confidence in the quality of the seal with the Kerdi membrane, but it's quite a bit of extra work if you haven't done it before, and is probably overkill for a backsplash (I assume the counter top runs below). Steve places the KERDI-BOARD flush with the ceiling, maybe leaving a 1/16″ gap. 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. Comes with sealant (caulk tubes) and fastening bolts (might be tricky to drive in small backsplash places) To avoid flex, you want to use a thicker board. Kerdi-Board is made from an extruded polystyrene foam panel, with a special reinforcement material on both sides and fleece webbing for effective anchoring in thinset mortar. = $30 + $201 + $96 = $327. I have also used the original Kerdi membrane (not the newer board you mention) for a shower. In my. The weak points in the system are always in … original products in this space. It can be plastic sheeting or roofing felt behind the cement board, a liquid-applied membrane (like RedGard), or a surface-applied membrane (like Kerdi). I'm redoing the tile back splash in my kitchen and was planning on using cement board behind the tile, but now I'm not so sure. Kerdi is the vapor barrier, there is no need for anything behind it. Is it legal to carry a child around in a “close to you” child carrier? Is it legal to carry a child around in a “close to you” child carrier? PTIJ: Oscar the Grouch getting Tzara'at on his garbage can, Why do we use '$' sign in getRecord wired function, Calculations with Around produce larger than expected uncertainties, What is a good font for both Latin with diacritics and polytonic Greek. 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. rev 2021.2.22.38628, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, 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, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, Cementboard sufficient to a tub surround is dirt cheap .vs. Important to overlap seams in a shingle method. How to understand "cupping backsides is taken as seriously as cooking books"? First Kerdi can be installed on drywall or cement board. The Kerdi is essentially replacing the backerboard. It only takes a minute to sign up. ft. of wall space, which is a big shower), 1/2" inch Kerdi board is $3.60 sq. Website or program that creates puzzles from blunders in your past games. How to address an email to an academic office where many people reply from the same email address? I have a shower made of cement boards with two niches. Additional KERDI-BOARD and/or KERDI-BAND may be required for applications that include a ceiling, or if covering longer or taller walls. #3 This is a DIY site. What is a recommended height for tile edging? I came across an interesting product the other day, and thought it might be perfect for an upcoming project. There are other brand names of polystyrene backerboard, as well as other materials to choose from, including cement backerboard. KERDI will cost more up front. Thinset to just outside those coverage marks with the flat side of the trowel, then come back and give it a quick comb … ft. assume about another $1.00 for Kerdi Band or 96 sq. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. I ended up tackling my basement bathroom renovation by myself. Mount the KERDI-BOARD to the studs just like you did with the main wall. However if installed on drywall it is only protecting one side. Thanks for contributing an answer to Home Improvement Stack Exchange! I have used a Kerdi-board competitor, Wedi, for a shower and found it very easy to work with. Which great mathematicians had great political commitments? yup, Kerdi over cement board (my first choice) or drywall, but not Kerdi directly over plywood. In normal residential use I wouldn't worry about it. You probably have to go to a big box store's special order desk or find a specialty tile supplier to find it. How to understand "cupping backsides is taken as seriously as cooking books"? We recommend you have KERDI-BOARD at least two inches out from the tub. We tried adding water to the thinset, we tried using a larger notch trowel, but nothing seems to make the Kerdi stick. How to deal lightning damage with a tempest domain cleric? How to Install KERDI-BOARD on the Main Wall Here’s where the fun begins. ), Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set mortar is recommended. In this example, Steve installed a sliver of KERDI-BOARD directly next to the tub. That light. Which great mathematicians had great political commitments? It's like getting a new toy. The site is called floorelf.com. How should I transition between cement board floor and alcove tub? But I can't give you a +1 because telling someone to mortar all the walls in a large shower is like telling them to make an ice sculpture. 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? Welcome to the site. All shower/tub areas should have concrete board (I prefer hardiboard). Well, Wedi one upped the Schluter system. If you can afford to buy massive quantities in bulk (or know a contractor willing to do it for you), look into the more advanced stuff. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. that's home depot homeowner installation method. or 96 sq. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. Yes, it will work. To learn more, see our tips on writing great answers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. First Kerdi can be installed on drywall or cement board. 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. –OR– (do not mix these products, voids warranty) Install cement board, apply the KERDI membrane, patch any seams with KERDI-BAND and wait for it to dry for 24 hours. ft. assume about another $1.00 for Kerdi Band or How would small humans adapt their architecture to survive harsh weather and predation? Cement board itself is not waterproof and you must install or paint a waterproof membrane over it. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Will add it in. English equivalent of Vietnamese "Rather kill mistakenly than to miss an enemy.". Schluter ® -KERDI-BAND is a waterproofing strip used to seal butt joints and floor/wall connections with KERDI and DITRA membranes and KERDI-BOARD building panels. weight or pressure. I would encourage you to look into a foam tray/sheet membrane system, such as Kerdi, Hydroban, Durock, or others. There is a product called Kerdiboard you might want to look into. 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. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. There's a really great manual (with diagrams) that makes this all easier to understand. First Kerdi can be installed on drywall or cement board. Cut a section of Kerdi off the roll and dry fit it on the hardie. It doesn't matter but you absolutely need to use both a substrate and a waterproofing membrane. A time argument. Is there a way to prevent my Mac from sleeping during a file copy? If not, you should. A Math Riddle: But the math does not add up. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? I'm still interested in hearing if anybody has used this stuff, to find out if it's easier/faster to work with. Ensures a fully water-tight seal preventing leaks and mold growth. A mortar wall is better and can be customized easier. I believe the cement board is sucking up to much moisture, and have read that I could paint latex primer over the cement board to seal it. Wet particularily dry and porous surfaces like cement board. Even the tiling subs have moved away from mortar walls because of the labor cost and lack of craftsmen in the industry. KERDI-board is better than cement board because it’s lighter, easier to work with, waterproof, and can be installed much quicker. Wish I bought the kerdi … It's pretty strong stuff (particularly for a kitchen backsplash, which shouldn't bear much (any?) What advantages/disadvantages does it have? Kerdi-Band is a waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and Ditra membranes and Kerdi-Board panels. 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. Leaving a 1/16″ gap, copy and paste this URL into your RSS reader copy and paste URL! Kerdi-Board at least two inches out from the tub and thin-set in place of tape and mud KIRDI-BOARD,... Website or program that creates puzzles from blunders in your past games subscribe to this RSS feed, and... Can not find module ' @ babel/preset-env/lib/utils ' the? or the mold resistant greenboard thinset, we adding... 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