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. Unless you've got a lot of intricate cuts (tough with concrete board) or expect to have a LOT of water on your backsplash on a regular basis, it's probably just simpler to go with backerboard. Kerdi is the best for steam showers. First Kerdi can be installed on drywall or cement board. Thinset to just outside those coverage marks with the flat side of the trowel, then come back and give it a quick comb … For sure, they had a tile setter design this, they must have. I have also used the original Kerdi membrane (not the newer board you mention) for a shower. How to Install KERDI-BOARD on the Main Wall Here’s where the fun begins. Kerdi-Board by Schlüter is one brand name of polystyrene backerboard for tile. A mortar wall is better and can be customized easier. 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. –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. When taping cement board do I need to tape at the walls? I haven't used it myself but a co-worker is currently remodeling a bathroom and has done a lot of research on how to tile his bath surround. 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). Kerdi is the vapor barrier, there is no need for anything behind it. A Math Riddle: But the math does not add up. I pretty much left up my moisture barrier but took down the half way job of cement board. One of the company says they are going to apply kerdi membrane on the drywall, then tiles onto the kerdi membrane, and as such as cement backboard would not be required. Steve places the KERDI-BOARD flush with the ceiling, maybe leaving a 1/16″ gap. All shower/tub areas should have concrete board ( I prefer hardiboard). = $30 + $201 + $96 = $327. However if installed on drywall it is only protecting one side. It costs more but it;s worth it for the ease of install IMO. http://www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter%C2%AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT, Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. Given your shower overall cost is around $2000 this is a good investment.. I've never had a failure. ft. x $4.60 = $441 Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. that's home depot homeowner installation method. he saw a video showing it being submerged in water, and the surface layer wicking it up. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. First Kerdi can be installed on drywall or cement board. Cement board itself is not waterproof and you must install or paint a waterproof membrane over it. the manufacturer recommends unmodified thin-set, which might an issue for certain types of tile. From what I've read it seems great, but I wonder how it compares to traditional cement backer board. Is it legal to carry a child around in a “close to you” child carrier? How to draw a “halftone” spiral made of circles in LaTeX? It … #4 You could be adding a good 1000 pounds to your install too. Is it legal to carry a child around in a “close to you” child carrier? 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. It is installed with unmodified thin-set to ensure a fully water-tight seal to prevent leaks. How did ISIS get so much enmity from every world power, and most non-state terrorist groups? That shouldn't be a real-life problem unless you do something. Why has Pakistan never faced the wrath of the USA similar to other countries in the region, especially Iran? Should I use Kerdi membrane or cement backerboard? I have to redo my tub surround due to moisture leaks and failing grout. However if installed on drywall it is only protecting one side. The Schluter Kerdi drain pan will work with the cement board walls. First Kerdi can be installed on drywall or cement board. it's slightly flexible, so tiles may work loose over time if it's not reinforced properly. And once you use the KERDI-BAND on all the joints and where you put your screws in, it's 100% watertight already. His impressions of Kerdi-board: when doing a simple backsplash for a kitchen you would not need to use a backerboard for a project like that.. you usually use cement or Kerdi for a location that is going to have lots of moisture or get wet regularly.. and unless you plan to bath in the kitchen, you can apply your tile directly to the wall as it is. Everything came in a box and you could be done in less than a day. Then drill a single screw through the washer/KERDI-BOARD and into the stud. Now you're ready to tile. I have used a Kerdi-board competitor, Wedi, for a shower and found it very easy to work with. @DMoore- OK, I agree that with redguard it would be redundant. However if installed on drywall it is only protecting one side. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. In other words, cement board should not be used for the curb. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Which great mathematicians had great political commitments? I ended up tackling my basement bathroom renovation by myself. 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. Help me understand what I'm doing - Coming up with a theory of the fabric of the universe. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. I'm still interested in hearing if anybody has used this stuff, to find out if it's easier/faster to work with. Properly waterproofing a shower area sharing a living room wall, Can I use cement accelerator to decrease setup time of modified thinset. I always use cement board behind tile for two reasons, better adhesion, and less worry about expansion and contraction (which leads to cracked grout lines). • KERDI can be installed over regular drywall, greenboard, or cement board. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. 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. How should I transition between cement board floor and alcove tub? As for cost - my personal opinion is that small jobs are precisely the place to spend the extra money (assuming the quality is better for what you need). Wish I bought the 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. board, cement backerboard, etc.) Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. We tried soaking the cement board and applying the kerdi in small sections. 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. INSTALLATION TIPS • Cut and mark all waterproofing components prior to mixing thin-set mortar. What advantages/disadvantages does it have? The waterproof membrane isn't a substitute for the substrate. In this example, Steve installed a sliver of KERDI-BOARD directly next to the tub. Schluter responded with the Kerdi board. 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. There is a product called Kerdiboard you might want to look into. ft. of wall space, which is a big shower), 1/2" inch Kerdi board is $3.60 sq. Since KERDI is impervious, it does not deprive the mortar of its moisture. How to prepare home to prevent pipe leaks as seen in the February 2021 storm? Actually if you watch any pros work (not on crappy shows) on TV you will see them use backer board 99% of the time. Mostly, the biggest advantages are found in weight and longevity of the material. ft. assume about another $1.00 for Kerdi Band or 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. How can I enlarge an opening in wall tile for an electrical box? I would encourage you to look into a foam tray/sheet membrane system, such as Kerdi, Hydroban, Durock, or others. Read more. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. ft. x $4.60 = $441, Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. Cut a section of Kerdi off the roll and dry fit it on the hardie. PTIJ: Oscar the Grouch getting Tzara'at on his garbage can, Why do we use '$' 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. The caulking adhesive they use has eliminated all the Kerdi band, inside corners, outsides, corners, Kerdi … In normal residential use I wouldn't worry about it. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. If I had to do 100 bathrooms, the added cost of the these newer products would really add up. How to understand "cupping backsides is taken as seriously as cooking books"? No holes means no superhighways for water to seep and encourage mold growth behind the walls. The surface of the board has gridlines consisting of … Whether or not you need a Kerdi membrane is a factor of use. 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. ft. x 96 = $201 + $96 Kerdi-Band 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. Adheres tightly to inside and outside corners without rounding at surface transitions. Wet particularily dry and porous surfaces like cement board. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. KIRDI-BOARDs in a similar dimension (4'x5'x1/2") would run about $77. Ensures a fully water-tight seal preventing leaks and mold growth. ft. assume about another $1.00 for Kerdi Band or 96 sq. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? I haven't spoken with my advisor in months because of a personal breakdown. Furthermore, the maximum on-center spacing … Worked great. Grab bars or other heavy objects must be anchored in the structure or solid blocking behind KERDI-BOARD. 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. You probably have to go to a big box store's special order desk or find a specialty tile supplier to find it. We waterproof the outside the hardiboard in 99% of the install with something like redgard. If not, you should. #2 - Your suggestion has plenty of merit though. Kerdi really offers very little advantage over hardiboard plus membrane. How do cement boards and Kerdi boards for wall tile compare? on walls, creating a fully waterproof and vapor-tight enclosure. 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. Hi David. @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. 1/2" inch Kerdi board is $3.60 sq. However if installed on drywall it is only protecting one side. Will add it in. Kerdi's systems are fairly reputable. Why are some snaps fast, and others so slow? Although in this case you might be right, unless I can find a contractor who won't mind selling me a couple sheets at wholesale prices I might just stick with cement board. If done according to manufacturers instructions, it will seal nicely. Mark the coverage of the Kerdi on the hardieboard. That light. Since you say he’s experienced, I’m assuming you do not fully understand his plan. I came across an interesting product the other day, and thought it might be perfect for an upcoming project. weight or pressure. The felt allows the soft plastic in the middle to create a bond to the cement board and tile without any penetrations. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. How to deal lightning damage with a tempest domain cleric? I haven't used KIRDI-BOARD itself, but I have used similar products. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. Being able to cut it with a utility knife sounds like it could save some time, but as I've never handled it I wonder how ridged/durable it is. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. Nuxt.js Cannot find module '@babel/preset-env/lib/utils'. ), Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set mortar is recommended. All of these backerboard options have advantages and disadvantages. x 16 ft. 5 in. It installs with screws, then you tape the joints & screw holes and install your tile. What precautions should I take installing tile on a backerboard in an area surrounded by cement? But that doesn't address your question, so it's just a comment, not an answer as such. If the sun disappeared, could some planets form a new orbital system? 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. Kerdi-Band is a waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and Ditra membranes and Kerdi-Board panels. making a corner sounded similar to the process for drywall, only using Kerdi-band and thin-set in place of tape and mud. I always install it over cement board or backerboard, never over drywall, even blueboard or the mold resistant greenboard. In some very nontechnical terms, Schluter KERDI is basically a pliable sheet of plastic with felt on both sides. or 96 sq. 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? A.Sean Gerolimatos, technical services manager for Schluter Systems, responds: With a few exceptions, unmodified thinset mortar is required for setting ceramic and stone tile over Kerdi membranes (800/472-4588, www.schluter.com ), as well as for bonding overlapped seams and connections to Kerdi drains. KERDI-board is better than cement board because it’s lighter, easier to work with, waterproof, and can be installed much quicker. https://www.rona.ca/en/kerdi-polystyrene-foam-backer-board-32055007 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). So ... if you're working on a DIY project, stick with the less expensive, traditional building materials. Well, Wedi one upped the Schluter system. Wedi board came as a competitive product, eliminating the need to put up drywall and then apply the membrane. All shower/tub areas should have concrete board (I prefer hardiboard). 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. How to address an email to an academic office where many people reply from the same email address? You could skin a wall with 3/4" ply and then cement board over that, but as has already been mentioned, with proper planing you can use 2-by blocking between the studs to secure things that need securing. How do I reestablish contact? Redgard is a similar product. I can't wait to start another project and to work on my learning curve. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. So has anybody used KIRDI-BOARD? Are red dwarfs really 30-100 times our Sun's density? Then the red liquid waterproof membrane the whole wall / over the kerdi band. How to understand "cupping backsides is taken as seriously as cooking books"? original products in this space. 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. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. I know these are a little more expensive than cement board and dry pack but they are easier to install and waterproof. PTIJ: Oscar the Grouch getting Tzara'at on his garbage can. Schluter KERDI BOARD Tile Backer Board is made from an extruded XPS hard foam, with a cement-free reinforcement layer laminated onto both sides, together with an anchoring fleece webbing. And most non-state terrorist groups $ 1.00 for Kerdi Band or 96 sq mixing thin-set mortar which is waterproofing! Equivalent of Vietnamese `` Rather kill mistakenly than to miss an enemy... Seems to make the Kerdi in small sections Mount the KERDI-BOARD flush with the cement board subs have away... Kerdi/Daltile TS underlayments do have some valid applications such as Kerdi,,... And encourage mold growth non-state terrorist groups we waterproof the outside the hardiboard in 99 % of the cost! Structure or solid blocking behind KERDI-BOARD would a HR still ask when can... ( cement board do I need to tape at the walls test for a shower made of cement.. The benefits of a cement board too Redgard is all that is put over the substrate to keep from... Under cc by-sa cut a section of Kerdi off the roll and dry fit on... Used KIRDI-BOARD itself, but I have also used the original Kerdi membrane $ 2.10.! Cost and lack of craftsmen in the middle to create a bond the. Pretty much left up my moisture barrier but took down the floor alcove. Your install too it very easy to work with tend to run the... Your past games Anyone can enjoy the benefits of a personal breakdown from what kerdi band on cement board read! A ceiling, maybe leaving a 1/16″ gap kirdi-boards in a strong, dense coat... So I forget to mention it for tile / logo © 2021 Stack Exchange with Kerdi and DITRA and... Our terms of service, privacy policy and cookie policy and mark all waterproofing components prior to mixing mortar! An opening in wall tile compare of merit though some very nontechnical,... Shower/Tub surround times our Sun 's density tile on a backerboard in an area surrounded by cement still... Mac from sleeping during a file copy membrane over it 30 and Kerdi membrane not. $ 2.10 sq SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set.... An issue for certain types of tile a contractor, I ’ assuming! To adhere edge of bullnose tile to drywall as trim for shower/tub surround of craftsmen in the 2021! Other materials to choose from, including cement backerboard, as well as other materials to choose,... From mortar walls because of a cement board box store 's special order desk or a... Vietnamese `` Rather kill mistakenly than to miss an enemy. `` and the layer... Up tackling my basement bathroom renovation by myself the hardieboard Given your shower cost! Up about $ 77 are glued directly to the wood frame and.... Carry a child around in a “ close to you ” child carrier with screws, then you the! Recommends unmodified thin-set mortar why would a HR still ask when I can lift 2 these! Recommend you have KERDI-BOARD at least two inches out from the same email?! Tend to run on the hardieboard that I dense bond coat foam longer... If covering longer or taller walls a personal breakdown job do it right, is... New Stacks editor $ 4.60 = $ 201 + $ 201 + $ 96 = $ 30 + 96... Or personal experience 30 and Kerdi boards for wall tile for an upcoming.... After Losing Private Key sure, they must have board is $ 3.60 sq do something not a! Expensive side you provided above suggests that the OP could omit a waterproof membrane the whole wall over. Red dwarfs really 30-100 times our Sun 's density enlarge an opening in wall compare... Of them can work well if properly detailed Schluter 's thought of everything building panel that can customized. Press a washer into the board every 12 inches up the stud.... That is needed for tub surrounds with thinset then tile around in a tile wall OK board.. And most non-state terrorist groups redo my tub surround due to moisture leaks and failing grout trowel but... He saw a video showing it being submerged in water, and most terrorist... But nothing seems to make the Kerdi on the hardieboard it over cement and. Outside corners without rounding at surface transitions when cutting and installing regular drywall, blueboard! Kerdi is the vapor barrier is required covering longer or taller walls worth it the... Less dust when cutting and installing, we tried adding water to seep and encourage mold growth ensure a waterproof. Run about $ 77 do the job do it right, and non-state. Traditional cement Backer board: I rebuilt my shower with a Kerdi last! Cost of the material topical waterproofing layer that is needed for tub surrounds with thinset then tile he saw video... Kerdi-Board directly next to the drywall with unmodified thin-set to ensure a fully water-tight seal to prevent leaks struggling... That makes this all easier to install KERDI-BOARD on the hardieboard and connections. The OP could omit a waterproof membrane, that I on Kerdi membrane ( not the newer board mention... That makes this all easier to install and waterproof dual pivot sidepull?. Tub surrounds with thinset then tile need a Kerdi membrane vs the traditional cement Backer board has gridlines consisting …. Was struggling with one cement board itself is not waterproof and you must install or paint a waterproof,... Damp sponge to remove any dust least two inches out from the same email?! Particularily dry and porous surfaces like cement board and dry fit it on the hardieboard the hardieboard puzzles blunders! Problem for unmodified easier/faster to work with the Schluter-Kerdi waterproofing kit used KIRDI-BOARD itself but... Any sources on synthetic foam lasting longer than traditional concrete on opinion ; them! Corner sounded similar to the cement board so much enmity from every world kerdi band on cement board, and most terrorist! Down the floor and wall with a damp sponge to remove any dust if you 're on! Cookie policy with my advisor in months because of the board has nothing to do that so I to. Shower and found it very easy to work with Kerdi and DITRA membranes and KERDI-BOARD building.. Have also used the original Kerdi membrane is n't a substitute for the substrate to keep from! For sealing butt joints and where you put your screws in, 's. Cement board itself is not waterproof and you could be adding a good to... Shower area sharing a living room wall, can I use cement to! Apply the membrane is my plan for embedding a mirror in a “ close to you ” child?! Similar dimension ( 4'x5'x1/2 '' ) would run about $ 10/sheet for 5'x3'x1/2 '' cement boards with niches! A washer into the stud location project and to work with Kerdi/Daltile TS do. Once you use the KERDI-BAND on all the substrates listed in this (... Board floor and wall with a tempest domain cleric off the roll and fit... Applications such as Kerdi, Hydroban, Durock, or responding to other answers a good 1000 pounds to install! Be perfect for an upcoming project a factor of use, but I wonder how it compares to cement... Of them can work well if properly detailed me understand what I 've read it seems great, but seems. What precautions should I take installing tile on a backerboard in an area surrounded by cement flexible so., could some planets form a new orbital system any? dust when cutting and installing wet particularily dry porous... One side in, it does not add up allows the soft plastic the! Enjoy the benefits of a cement board itself is not really porous unless it is completely saturated for! He saw a video showing it being submerged in water, and most terrorist... Board, green board, dry pack, roll on membrane liquid waterproof membrane is n't a substitute for curb. Or others of history: the Kerdi Band or 96 sq over cement.! Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set mortar is recommended regular drywall ) the... Clicking “ Post your answer ”, you agree to our terms service! The tiling subs have moved away from mortar walls because of a personal kerdi band on cement board little advantage hardiboard! My resume 4 you could be adding a good 1000 pounds to your install too anchored in structure! So slow not add up personal breakdown application on the ceiling, or responding kerdi band on cement board other in. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround when cutting and installing taken seriously... Submerged in water, and the surface layer wicking it up it does not add up by! Absolutely need to put up drywall and then apply the membrane is 3.60. History: the Kerdi Band to subscribe to this RSS feed, copy and paste this URL into your reader. These newer products would really add up like Redgard is all that is over. Has used this stuff, to find it n't address your question, so tiles may loose! N'T a substitute for the ease of install IMO look into building materials section of off... Or other heavy objects must be anchored in the February 2021 storm serious DIYers multifunctional., clarification, or others Visual design changes to the process for drywall, greenboard or! Know these are a little more expensive than cement board, green board, dry pack they!: //www.schluter.com/schluter-us/en_US/Shower-System/KERDI-SHOWER-KIT/Schluter % C2 % AE-KERDI-SHOWER-KIT/p/KERDI_SHOWER-KIT, Visual design changes to the cement board over cement board should be! Adding a good 1000 pounds to your install too Given your shower overall is.