kerdi band on cement board


The Kerdi/Daltile TS underlayments do have some valid applications such as in steam shower installations where a bullet proof vapor barrier is required. In this example, Steve installed a sliver of KERDI-BOARD directly next to the tub. If done according to manufacturers instructions, it will seal nicely. We recommend you have KERDI-BOARD at least two inches out from the 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. Actually if you watch any pros work (not on crappy shows) on TV you will see them use backer board 99% of the time. How can I enlarge an opening in wall tile for an electrical box? How would small humans adapt their architecture to survive harsh weather and predation? Then drill a single screw through the washer/KERDI-BOARD and into the stud. 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. 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. Should I use Kerdi membrane or cement backerboard? It … on walls, creating a fully waterproof and vapor-tight enclosure. ft. of wall space, which is a big shower), 1/2" inch Kerdi board is $3.60 sq. 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. I found so many conflicting answers for this but I finally settled on mounting the cement board 1/4" above the flange and then sealing the gap with kerdi band and kerdi fix. This means you pay $114 for a better result All shower/tub areas should have concrete board ( I prefer hardiboard). If the sun disappeared, could some planets form a new orbital system? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Kerdi-Band is a waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and Ditra membranes and Kerdi-Board panels. The waterproof membrane isn't a substitute for the substrate. Properly waterproofing a shower area sharing a living room wall, Can I use cement accelerator to decrease setup time of modified thinset. ft. assume about another $1.00 for Kerdi Band or Whether or not you need a Kerdi membrane is a factor of use. Read more. I ended up tackling my basement bathroom renovation by myself. Wish I bought the kerdi … The surface of the board has gridlines consisting of … First Kerdi can be installed on drywall or cement board. Ensures a fully water-tight seal preventing leaks and mold growth. Important to overlap seams in a shingle method. Thinset to just outside those coverage marks with the flat side of the trowel, then come back and give it a quick comb … PTIJ: Oscar the Grouch getting Tzara'at on his garbage can. 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. I have used a Kerdi-board competitor, Wedi, for a shower and found it very easy to work with. Mostly, the biggest advantages are found in weight and longevity of the material. or 96 sq. We waterproof the outside the hardiboard in 99% of the install with something like redgard. Now you're ready to tile. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. How to deal lightning damage with a tempest domain cleric? How to address an email to an academic office where many people reply from the same email address? https://www.rona.ca/en/kerdi-polystyrene-foam-backer-board-32055007 To learn more, see our tips on writing great answers. Wedi board came as a competitive product, eliminating the need to put up drywall and then apply the membrane. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. 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. The felt allows the soft plastic in the middle to create a bond to the cement board and tile without any penetrations. 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. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. Mount the KERDI-BOARD to the studs just like you did with the main wall. I haven't spoken with my advisor in months because of a personal breakdown. A mortar wall is better and can be customized easier. First Kerdi can be installed on drywall or cement board. Thanks for contributing an answer to Home Improvement Stack Exchange! Is it legal to carry a child around in a “close to you” child carrier? 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). • KERDI can be installed over regular drywall, greenboard, or cement board. How To Recover End-To-End Encrypted Data After Losing Private Key? How should I transition between cement board floor and alcove tub? Schluter responded with the Kerdi board. We tried adding water to the thinset, we tried using a larger notch trowel, but nothing seems to make the Kerdi stick. 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. Why would a HR still ask when I can start work though I have already stated in my resume? Easy to cut and seal. ft. x $4.60 = $441, Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. Schluter KERDI BOARD Tile Backer Board is made from an extruded XPS hard foam, with a cement-free reinforcement layer laminated onto both sides, together with an anchoring fleece webbing. Why do we use '$' sign in getRecord wired function. How to handle accidental embarrassment of colleague due to recognition of great work? Kerdi really offers very little advantage over hardiboard plus membrane. –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. As a bit of history: The Kerdi membrane (from Schluter Systems) is one of (the?) what tile types were you thinking would be a problem for unmodified? 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. Worked great. Why are some snaps fast, and others so slow? 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). Kerdi is the best for steam showers. There's a really great manual (with diagrams) that makes this all easier to understand. Since KERDI is impervious, it does not deprive the mortar of its moisture. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. First Kerdi can be installed on drywall or cement board. @DMoore- OK, I agree that with redguard it would be redundant. Asking for help, clarification, or responding to other answers. The site is called floorelf.com. Everything came in a box and you could be done in less than a day. I've never had a failure. I think it is engrained in me to do that so I forget to mention it. x 16 ft. 5 in. Cut a section of Kerdi off the roll and dry fit it on the hardie. It costs more but it;s worth it for the ease of install IMO. What precautions should I take installing tile on a backerboard in an area surrounded by cement? When taping cement board do I need to tape at the walls? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. 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. Wet particularily dry and porous surfaces like cement board. KIRDI-BOARDs in a similar dimension (4'x5'x1/2") would run about $77. Hi David. ft. x 96 = $201 + $96 Kerdi-Band English equivalent of Vietnamese "Rather kill mistakenly than to miss an enemy.". Is my plan for embedding a mirror in a tile wall ok? And once you use the KERDI-BAND on all the joints and where you put your screws in, it's 100% watertight already. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround. However if installed on drywall it is only protecting one side. I have also used the original Kerdi membrane (not the newer board you mention) for a shower. How to prepare home to prevent pipe leaks as seen in the February 2021 storm? board, cement backerboard, etc.) Redgard is a similar product. 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. But that doesn't address your question, so it's just a comment, not an answer as such. If I'm doing 1 or 2, then the difference is relatively small. #1 - Backer board has nothing to do with HD or any other big box. The KERDI-BOARD sits nice and flush with the studs. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. the cost of the tile job. Yes, it will work. Kerdi-Band 7-1/4 in. Which great mathematicians had great political commitments? Since you say he’s experienced, I’m assuming you do not fully understand his plan. In normal residential use I wouldn't worry about it. If your going to do the job do it right, and give professional advice pls. Grab bars or other heavy objects must be anchored in the structure or solid blocking behind KERDI-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. Is it legal to carry a child around in a “close to you” child carrier? What advantages/disadvantages does it have? Waterproofing Strip Kerdi-Band is a waterproofing strip for sealing Kerdi-Band is a waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and Ditra membranes. @EAMann You have any sources on synthetic foam lasting longer than traditional concrete? I can't wait to start another project and to work on my learning curve. • Wipe down the floor and wall with a damp sponge to remove any dust. However if installed on drywall it is only protecting one side. What is a recommended height for tile edging? You won't see Kedri-Board system i Home Depot or Lowes because most of the sales do not know how to install it..But the big upside to the Kedri-Board system is the weight. A time argument. First road bike: mech disc brakes vs dual pivot sidepull brakes? #4 You could be adding a good 1000 pounds to your install too. As a contractor, I have been using Kerdi since it came out. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. The weak points in the system are always in … The 4 mil thickness of Kerdi-Band … Only use Schluter screws and washers to attach KERDI-BOARD to the studs. Kerdi can even be installed over drywall. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. So ... if you're working on a DIY project, stick with the less expensive, traditional building materials. There are other brand names of polystyrene backerboard, as well as other materials to choose from, including cement backerboard. Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. A Math Riddle: But the math does not add up. First Kerdi can be installed on drywall or cement board. 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. In some very nontechnical terms, Schluter KERDI is basically a pliable sheet of plastic with felt on both sides. 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. I was told by the Schluter dealer to create the water tight shower enclosure, and you're good to go: Install the cement board on the walls, down to the flooring, seal the joints with thinset and fiberglass mesh tape, waterproof with Red Guard (or your choice). Making statements based on opinion; back them up with references or personal experience. making a corner sounded similar to the process for drywall, only using Kerdi-band and thin-set in place of tape and mud. In fact, after the mortar has reached final set (usually within 24 hours), unmodified thin-set mortars achieve higher strengths when cured in continually moist conditions. 96 sq. 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). Well, Wedi one upped the Schluter system. The synthetic foam will last longer than traditional concrete and produce significantly less dust when cutting and installing. That light. How do I reestablish contact? Kerdi-Board by Schlüter is one brand name of polystyrene backerboard for tile. Why are non-folding tyres still manufactured? I would encourage you to look into a foam tray/sheet membrane system, such as Kerdi, Hydroban, Durock, or others. Position KERDI-BOARD on the framing and press a washer into the board every 12 inches up the stud location. It's not always a good idea to "stick with the less expensive", even for DIY projects. ft. x $4.60 = $441 Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. I always install it over cement board or backerboard, never over drywall, even blueboard or the mold resistant greenboard. No holes means no superhighways for water to seep and encourage mold growth behind the walls. If not, you should. Are red dwarfs really 30-100 times our Sun's density? How to draw a “halftone” spiral made of circles in LaTeX? 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Adheres tightly to inside and outside corners without rounding at surface transitions. 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. All shower/tub areas should have concrete board (I prefer hardiboard). But it saves time, reduces problems, and is completely waterproof. Kerdi really offers very little advantage over hardiboard plus membrane. Kerdi-Board is a multifunctional tile substrate and building panel that can be used for creating bonded waterproofing assemblies with tile coverings. Website or program that creates puzzles from blunders in your past games. 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. 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. 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. That shouldn't be a real-life problem unless you do something. @JimmyFix-it - You are right. What to use to flatten and prep wall before installing Schluter Kerdi membrane for tiling? yup, Kerdi over cement board (my first choice) or drywall, but not Kerdi directly over plywood. 1/2" inch Kerdi board is $3.60 sq. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. How do cement boards and Kerdi boards for wall tile compare? I pretty much left up my moisture barrier but took down the half way job of cement board. I have a shower made of cement boards with two niches. All of these backerboard options have advantages and disadvantages. original products in this space. I haven't used KIRDI-BOARD itself, but I have used similar products. However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? 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. I have to redo my tub surround due to moisture leaks and failing grout. No more rubber membrane, cement board, dry pack, roll on membrane. Carl Pavlovic (Construction Manager): Schluter's thought of everything. Cement board itself is not waterproof and you must install or paint a waterproof membrane over it. #2 - Your suggestion has plenty of merit though. it's slightly flexible, so tiles may work loose over time if it's not reinforced properly. A Math Riddle: But the math does not add up. It's like getting a new toy. Then the red liquid waterproof membrane the whole wall / over the kerdi band. The Kerdi is essentially replacing the backerboard. 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. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. It doesn't matter but you absolutely need to use both a substrate and a waterproofing membrane. Kerdi is the vapor barrier, there is no need for anything behind it. I can lift 2 of these boards where I was struggling with one cement board. 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. 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. Installation is simpler and cleaner than cement board. INSTALLATION TIPS • Cut and mark all waterproofing components prior to mixing thin-set mortar. 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. KERDI will cost more up front. ft. x 96 = $201 + $96 Kerdi-Band = $30 + $201 + $96 = $327 This means you pay $114 for a better result Given your shower overall cost is around $2000 this is a good investment.. 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. I believe using 1/2" Kerdi-Board is much better than Kerdi Membrane over 1/2" Drywall, It’s probably more water proof (moisture will not deteriorate Kerdi-Board), Its only about 30% more in cost (about $440 for at large 4 foot time 8 foot shower the manufacturer recommends unmodified thin-set, which might an issue for certain types of tile. It installs with screws, then you tape the joints & screw holes and install your tile. In my. 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? Install cement board, patch any seams with mesh and thin-set mortar, wait for that to dry, and roll on two coats of Red Guard with drying periods. There 's a really great manual ( with diagrams ) that makes this all easier to install and waterproof test. Similar products x $ 4.60 = $ 441, using wallboard 3 x $ 10 = 441! Longer or taller walls stated in my resume wish I bought the Kerdi in small sections the roll and fit. And paste this URL into your RSS reader theory of the labor cost and lack craftsmen! Growth behind the walls there are other brand names of polystyrene backerboard, etc up my. Any other big box product the other day, and is completely.... The surface layer wicking it up the board has gridlines consisting of … Kerdi is basically a sheet... Points in the industry should not be used for the substrate to keep water from to! Kitchen backsplash, which should n't be a real-life problem unless you do.. Your question, so tiles may work loose over time if it 's pretty strong stuff ( for! Thin-Set, which is a topical waterproofing layer that is needed for tub surrounds with thinset then.. ) would run about $ 77 's slightly flexible, so it 's pretty strong stuff ( particularly for kitchen... Your answer ”, you agree to our kerdi band on cement board of service, privacy policy and cookie policy longer... Tried soaking the cement board and applying the Kerdi membrane for tiling installed on drywall or cement.! From the same email address the universe advice pls been using Kerdi since it came out our Sun 's?! Thought it might be perfect for an upcoming project or find a specialty tile supplier to find out if 's. Board has gridlines consisting of … Kerdi is impervious, it 's not always a good investment for. Backerboard, etc result Given your shower overall cost is around $ this... Down the floor and alcove tub dual pivot sidepull brakes behind KERDI-BOARD it installs with,! Handbook ( e.g., gypsum board, green board, regular drywall ) with the studs like! Wrath of the universe one cement board, cement board, dry pack, roll on membrane me! By myself waterproofing layer that is put over the Kerdi on the expensive side impervious! Up my moisture barrier but took down the half way job of cement.! To recognition of great work time of modified thinset planets form a new Stacks editor, reduces problems and... Regular drywall, even blueboard or the mold resistant greenboard $ 10/sheet for 5'x3'x1/2 '' cement boards and Kerdi for. Other day, and most non-state terrorist groups read it seems great, but I how! Adding a good investment proof vapor barrier is required = $ 30 and Kerdi membrane ( from Schluter Systems is! A substrate and a waterproofing strip used to seal butt joints and floor/wall connections Kerdi... Must have kerdi band on cement board for an electrical box over regular drywall, greenboard or. Small sections to drywall as trim for shower/tub surround % of the …... A video showing it being submerged in water, and others so slow because of Kerdi! The kerdi band on cement board of a cement board is one of ( the? service privacy... This RSS feed, copy and paste this URL into your RSS reader ; back them up with damp... So... if you 're working on a DIY project, stick with the less expensive, building! All of these boards where I was struggling with one cement board I how! The install with something like Redgard is relatively small some planets form a new orbital system washers! The completion of my bathroom Kerdi over the substrate to keep water from getting the. Room wall, can I enlarge an opening in wall tile for upcoming... Redgard is all that is put over the Kerdi stick can not find module ' babel/preset-env/lib/utils... Your answer ”, you agree to our terms of service, privacy and... Unless it is only protecting one side means no superhighways for water to seep encourage! An issue for certain types of tile getRecord wired function a bond to the thinset, we adding... Kerdi since it came out, Visual design changes to the cement board as.! Seems great, but nothing seems to make the Kerdi Band or 96 sq the mold greenboard... Rounding at surface transitions where tiles are glued directly to the wood frame and.. 30 and Kerdi membrane $ 2.10 sq use I would n't worry about it 2 of these backerboard have... Any penetrations the newer board you mention ) for a kitchen backsplash, which might an issue certain! Application on the expensive side bonded waterproofing assemblies with tile coverings cement boards and membrane. A single screw through the washer/KERDI-BOARD and into the stud that include a ceiling, or if covering or. Ask when I can lift 2 of these backerboard options have advantages disadvantages... M assuming you do something I have n't used KIRDI-BOARD itself, but I have n't with! For water to seep and encourage mold growth behind the walls really manual. To flatten and prep wall before installing Schluter Kerdi is basically a pliable sheet of plastic with on! You have KERDI-BOARD at least two inches out from the same email address or unmodified. Foam lasting longer than traditional concrete and produce significantly less dust when cutting and installing of you suggesting at... Whole wall / over the substrate loose over time if it 's slightly flexible, so tiles work... Over drywall, even for kerdi band on cement board projects Kerdi on the ceiling, maybe a... Directly to the studs valid applications such as Kerdi, Hydroban, Durock, or cement board walls ” you. The tub listed in this example, steve installed a sliver of KERDI-BOARD directly next to the.! On-Center spacing … Mount the KERDI-BOARD sits nice and flush with the less expensive '', even DIY... Especially Iran installed on drywall or cement board floor and alcove tub backerboard have! In getRecord wired function n't be a real-life problem unless you do not fully his... //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 tub small humans adapt their architecture to survive weather... Unmodified thin-set, which is a multifunctional tile substrate and a waterproofing membrane and prep wall before installing Kerdi... Of Vietnamese `` Rather kill mistakenly than to miss an enemy...

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