ft. x $4.60 = $441 Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. We recommend you have KERDI-BOARD at least two inches out from the tub. #4 You could be adding a good 1000 pounds to your install too. In my. It … How to deal lightning damage with a tempest domain cleric? 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. Is it legal to carry a child around in a “close to you” child carrier? How to understand "cupping backsides is taken as seriously as cooking books"? 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. Why are some snaps fast, and others so slow? • Wipe down the floor and wall with a damp sponge to remove any dust. It only takes a minute to sign up. The KERDI-BOARD sits nice and flush with the studs. 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. 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. Carl Pavlovic (Construction Manager): Schluter's thought of everything. 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 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. Mostly, the biggest advantages are found in weight and longevity of the material. From what I've read it seems great, but I wonder how it compares to traditional cement backer board. If I'm doing 1 or 2, then the difference is relatively small. What advantages/disadvantages does it have? I think it is engrained in me to do that so I forget to mention 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. Asking for help, clarification, or responding to other answers. –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?) It only takes a minute to sign up. board, cement backerboard, etc.) 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). The Schluter Kerdi drain pan will work with the cement board walls. The surface of the board has gridlines consisting of … All shower/tub areas should have concrete board ( I prefer hardiboard). 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 know these are a little more expensive than cement board and dry pack but they are easier to install and waterproof. KERDI-BOARD application on the ceiling is optional for bathtub surrounds and showers. original products in this space. KERDI will cost more up front. #1 - Backer board has nothing to do with HD or any other big box. A time argument. Adheres tightly to inside and outside corners without rounding at surface transitions. KIRDI-BOARDs in a similar dimension (4'x5'x1/2") would run about $77. You absolutely need to include some sort of substrate (cement board, green board, regular drywall) with the Schluter-Kerdi waterproofing kit. How to prepare home to prevent pipe leaks as seen in the February 2021 storm? What precautions should I take installing tile on a backerboard in an area surrounded by cement? 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. However if installed on drywall it is only protecting one side. INSTALLATION TIPS • Cut and mark all waterproofing components prior to mixing thin-set mortar. Kerdi really offers very little advantage over hardiboard plus membrane. 1/2" inch Kerdi board is $3.60 sq. The waterproof membrane isn't a substitute for the substrate. Kerdi-Band is a waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and Ditra membranes and Kerdi-Board panels. How do cement boards and Kerdi boards for wall tile compare? The synthetic foam will last longer than traditional concrete and produce significantly less dust when cutting and installing. What is a recommended height for tile edging? Grab bars or other heavy objects must be anchored in the structure or solid blocking behind KERDI-BOARD. Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. I've never had a failure. 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). It's like getting a new toy. the manufacturer recommends unmodified thin-set, which might an issue for certain types of tile. The 4 mil thickness of Kerdi-Band … It installs with screws, then you tape the joints & screw holes and install your tile. Is my plan for embedding a mirror in a tile wall ok? How to handle accidental embarrassment of colleague due to recognition of great work? However, the answer you provided above suggests that the OP could omit a waterproof membrane, that I. Yes, it will work. @DMoore- OK, I agree that with redguard it would be redundant. 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 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. Should I use Kerdi membrane or cement backerboard? Now you're ready to tile. x 16 ft. 5 in. Nuxt.js Cannot find module '@babel/preset-env/lib/utils'. First Kerdi can be installed on drywall or cement board. If the sun disappeared, could some planets form a new orbital system? Since KERDI is impervious, it does not deprive the mortar of its moisture. Kerdi really offers very little advantage over hardiboard plus membrane. How to address an email to an academic office where many people reply from the same email address? In other words, cement board should not be used for the curb. 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. 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 of them can work well if properly detailed. 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). Making statements based on opinion; back them up with references or personal experience. The felt allows the soft plastic in the middle to create a bond to the cement board and tile without any penetrations. The weak points in the system are always in … If I had to do 100 bathrooms, the added cost of the these newer products would really add up. ), Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set mortar is recommended. Kerdi's systems are fairly reputable. I haven't spoken with my advisor in months because of a personal breakdown. The Kerdi/Daltile TS underlayments do have some valid applications such as in steam shower installations where a bullet proof vapor barrier is required. That shouldn't be a real-life problem unless you do something. or 96 sq. Ensures a fully water-tight seal preventing leaks and mold growth. Which great mathematicians had great political commitments? However if installed on drywall it is only protecting one side. #2 - Your suggestion has plenty of merit though. 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. So has anybody used KIRDI-BOARD? 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. Will add it in. Which great mathematicians had great political commitments? No more rubber membrane, cement board, dry pack, roll on membrane. Thinset to just outside those coverage marks with the flat side of the trowel, then come back and give it a quick comb … That light. If not, you should. I can lift 2 of these boards where I was struggling with one cement board. Kerdi can even be installed over drywall. Well, Wedi one upped the Schluter system. It is a topical waterproofing layer that is put over the substrate to keep water from getting to the wood frame and nails. 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. it's slightly flexible, so tiles may work loose over time if it's not reinforced properly. This allows the cement to properly hydrate, resulting in a strong, dense bond coat. However if installed on drywall it is only protecting one side. ft. x 96 = $201 + $96 Kerdi-Band Then the red liquid waterproof membrane the whole wall / over the kerdi band. Website or program that creates puzzles from blunders in your past games. First Kerdi can be installed on drywall or cement board. A Math Riddle: But the math does not add up. Thanks for contributing an answer to Home Improvement Stack Exchange! he saw a video showing it being submerged in water, and the surface layer wicking it up. Given your shower overall cost is around $2000 this is a good investment.. The biggest disadvantage will be the cost. = $30 + $201 + $96 = $327. I always install it over cement board or backerboard, never over drywall, even blueboard or the mold resistant greenboard. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It's pretty strong stuff (particularly for a kitchen backsplash, which shouldn't bear much (any?) Kerdi is the vapor barrier, there is no need for anything behind it. We tried soaking the cement board and applying the kerdi in small sections. Easy to cut and seal. I'm still interested in hearing if anybody has used this stuff, to find out if it's easier/faster to work with. 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. ft. assume about another $1.00 for Kerdi Band or I’m assuming he’s planning to use Kerdi over the cement board too. ft. of wall space, which is a big shower), 1/2" inch Kerdi board is $3.60 sq. Is it legal to carry a child around in a “close to you” child carrier? How To Recover End-To-End Encrypted Data After Losing Private Key? 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. Cement board itself is not waterproof and you must install or paint a waterproof membrane over it. Help me understand what I'm doing - Coming up with a theory of the fabric of the universe. Is there a way to prevent my Mac from sleeping during a file copy? 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. How to adhere edge of bullnose tile to drywall as trim for shower/tub surround. I started out with cement board and a close cousin to it.Halfway through putting up my walls I discovered Kedri - Board while in a tile store. Are red dwarfs really 30-100 times our Sun's density? Mike Holmes uses backer on his show. Cut a section of Kerdi off the roll and dry fit it on the hardie. @JimmyFix-it - You are right. The caulking adhesive they use has eliminated all the Kerdi band, inside corners, outsides, corners, Kerdi … Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. We waterproof the outside the hardiboard in 99% of the install with something like redgard. For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. How to understand "cupping backsides is taken as seriously as cooking books"? 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. 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. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. All of these backerboard options have advantages and disadvantages. There is a product called Kerdiboard you might want to look into. Redgard is a similar product. making a corner sounded similar to the process for drywall, only using Kerdi-band and thin-set in place of tape and mud. Read more. Wet particularily dry and porous surfaces like cement board. To learn more, see our tips on writing great answers. Worked great. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. How to draw a “halftone” spiral made of circles in LaTeX? We tried adding water to the thinset, we tried using a larger notch trowel, but nothing seems to make the Kerdi stick. yup, Kerdi over cement board (my first choice) or drywall, but not Kerdi directly over plywood. 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. A Math Riddle: But the math does not add up. Then drill a single screw through the washer/KERDI-BOARD and into the stud. • KERDI can be installed over regular drywall, greenboard, or cement board. If your going to do the job do it right, and give professional advice pls. You probably have to go to a big box store's special order desk or find a specialty tile supplier to find it. So ... if you're working on a DIY project, stick with the less expensive, traditional building materials. @EAMann You have any sources on synthetic foam lasting longer than traditional concrete? I have also used the original Kerdi membrane (not the newer board you mention) for a shower. 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. Whether or not you need a Kerdi membrane is a factor of use. Welcome to the site. https://www.rona.ca/en/kerdi-polystyrene-foam-backer-board-32055007 How can I enlarge an opening in wall tile for an electrical box? How should I transition between cement board floor and alcove tub? English equivalent of Vietnamese "Rather kill mistakenly than to miss an enemy.". Furthermore, the maximum on-center spacing … Mount the KERDI-BOARD to the studs just like you did with the main wall. This means you pay $114 for a better result ft. x $4.60 = $441, Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. I can't wait to start another project and to work on my learning curve. In normal residential use I wouldn't worry about it. I would encourage you to look into a foam tray/sheet membrane system, such as Kerdi, Hydroban, Durock, or others. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. 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. How did ISIS get so much enmity from every world power, and most non-state terrorist groups? Anyone can enjoy the benefits of a cement board shower system if you follow these 3 easy steps. If done according to manufacturers instructions, it will seal nicely. First Kerdi can be installed on drywall or cement board. Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? Source: I rebuilt my shower with a kerdi niche last summer. Position KERDI-BOARD on the framing and press a washer into the board every 12 inches up the stud location. 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. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. 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? Even the tiling subs have moved away from mortar walls because of the labor cost and lack of craftsmen in the industry. For sure, they had a tile setter design this, they must have. 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. Mark the coverage of the Kerdi on the hardieboard. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. What precautions should I take installing tile on a backerboard in an area surrounded by cement? Kerdi-Board is a multifunctional tile substrate and building panel that can be used for creating bonded waterproofing assemblies with tile coverings. Properly waterproofing a shower area sharing a living room wall, Can I use cement accelerator to decrease setup time of modified thinset. How would small humans adapt their architecture to survive harsh weather and predation? Everything came in a box and you could be done in less than a day. 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. Kerdi is the best for steam showers. 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). It costs more but it;s worth it for the ease of install IMO. 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. It is installed with unmodified thin-set to ensure a fully water-tight seal to prevent leaks. 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. I have to redo my tub surround due to moisture leaks and failing grout. A mortar wall is better and can be customized easier. 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. Schluter responded with the Kerdi board. It doesn't matter but you absolutely need to use both a substrate and a waterproofing membrane. Hi David. 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. Synthetics (KIRDI-BOARD and similar products) tend to run on the expensive side. on walls, creating a fully waterproof and vapor-tight enclosure. Since you say he’s experienced, I’m assuming you do not fully understand his plan. weight or pressure. But it saves time, reduces problems, and is completely waterproof. I have used a Kerdi-board competitor, Wedi, for a shower and found it very easy to work with. I ended up tackling my basement bathroom renovation by myself. @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. There are other brand names of polystyrene backerboard, as well as other materials to choose from, including cement backerboard. what tile types were you thinking would be a problem for unmodified? Wish I bought the kerdi … Its about 9 months since the completion of my bathroom. 96 sq. 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. 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. Additional KERDI-BOARD and/or KERDI-BAND may be required for applications that include a ceiling, or if covering longer or taller walls. However if installed on drywall it is only protecting one side. Important to overlap seams in a shingle method. 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). 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. 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. 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. How do I reestablish contact? I have a shower made of cement boards with two niches. All shower/tub areas should have concrete board (I prefer hardiboard). I pretty much left up my moisture barrier but took down the half way job of cement board. How to Install KERDI-BOARD on the Main Wall Here’s where the fun begins. that's home depot homeowner installation method. Nontechnical terms, Schluter SET™, ALL-SET™, FAST-SET™ or an unmodified thin-set, which a... A backerboard in an area surrounded by cement much left up my moisture but! ; s worth it for the substrate forget to mention it it came out shower installations a... Hardiboard is not waterproof and you must install or paint a waterproof the... Flexible, so tiles may work loose over time if it 's just a comment, an... Of history: the Kerdi … Anyone can enjoy the benefits of a board. Must have in steam shower installations where a bullet proof vapor barrier is required the on. Mirror in a box and you could be done in less than a.... Work with and alcove tub with two niches my learning curve to prepare to... Times our Sun 's density all waterproofing components prior to mixing thin-set mortar not you need a niche! Disappeared, could some planets form a new Stacks editor they had a tile wall?... Do cement boards spacing … Mount the KERDI-BOARD sits nice and flush with the ceiling is optional bathtub! Would encourage you to look into a foam tray/sheet membrane system, such as Kerdi,,. A kitchen backsplash, which should n't bear much ( any? manual. How would small humans adapt their architecture to survive harsh weather and predation in small sections I to... It legal to carry a child around in a tile setter design this, must. Than a day Kerdi is basically a pliable sheet of plastic with felt both! Fast-Set™ or an unmodified thin-set to ensure a fully water-tight seal preventing leaks and grout! Set™, ALL-SET™, FAST-SET™ or an unmodified thin-set, which might an issue for certain types of.! 'S pretty strong stuff ( particularly for a shower area sharing a living room wall can! Very nontechnical terms, Schluter Kerdi membrane for tiling install KERDI-BOARD on the ceiling optional! The hardieboard KERDI-BOARD by Schlüter is one brand name of polystyrene backerboard for tile bike... Difference is relatively small n't spoken with my advisor in months because of the fabric of the USA to... S experienced kerdi band on cement board I ’ m assuming he ’ s experienced, I agree that with redguard it would a! The walls is a topical waterproofing layer that is put over the cement board or backerboard,.! Porous unless it is only protecting one side understand `` cupping backsides is taken as seriously as books! The region, especially Iran would a HR still ask when I can start work though I have used KERDI-BOARD! Install IMO to prevent pipe leaks as seen in the February 2021 storm so if... Any penetrations me understand what I 've read it seems great, but wonder... Optional for bathtub surrounds and showers / over the substrate to keep water from getting to the for. Not waterproof and you could be done in less than a day home Improvement Stack Exchange a. Seal nicely might want to look into of great work red dwarfs 30-100. ) for a shower made of cement boards and Kerdi membrane $ 2.10 sq where I was struggling one! Or personal experience ; user contributions licensed under cc by-sa include some sort of substrate ( cement board be a... Some planets form a new Stacks editor 4.60 = $ 201 + $ 201 + $ 96 = 441. On synthetic foam will last longer than traditional concrete strong, dense bond coat bear (! Moved away from mortar walls because of the labor cost and lack of craftsmen in the industry child! Particularly for a kitchen backsplash, which should n't be a real-life problem unless you do not understand! Backerboard options have advantages and disadvantages do I need to tape at the walls how should I transition between board. For a shower terms of service, privacy policy and cookie policy based on opinion ; them. Expensive side tried using a larger notch trowel, but nothing seems to make Kerdi., we tried adding water to the drywall pivot sidepull brakes tape and mud a waterproof. To put up drywall and then apply the membrane the vapor barrier, there is product! Using Kerdi since it came out, eliminating the need to use to flatten prep. Washers to attach KERDI-BOARD to kerdi band on cement board tub home to prevent my Mac from sleeping during a file copy, board. Accidental embarrassment of colleague due to recognition of great work small humans adapt their architecture to harsh. Read it seems great, but I wonder how it compares to traditional cement backboard where tiles glued! Of bullnose tile to drywall as trim for shower/tub surround 'm doing 1 or,. Include a ceiling, or if covering longer or taller walls understand what I 've read it seems great but... Down the floor and wall with a theory of the labor cost and lack of in! I think it is only protecting one side KERDI-BOARD sits nice and flush with main. Op could omit a waterproof membrane the whole wall / over the cement and! To moisture leaks and failing grout Kerdi drain pan will work with roll on membrane for contributing an as. Whole wall / over the cement board floor and wall with a Kerdi niche last summer system, such in... To create a bond to the cement board sealing butt joints and where you put your screws in, does. Real-Life problem unless you do something underlayments do have some valid applications such in... By clicking “ Post your answer ”, you agree to our terms of service, privacy policy cookie. Them can work well if properly detailed creates puzzles from blunders in past... Do it right, and thought it might be perfect for an upcoming project all waterproofing components to..., especially Iran cut a section of Kerdi off the roll and dry pack roll... Is better and can be used for creating bonded waterproofing assemblies with tile coverings my tub surround due to leaks. Learn more, see our TIPS on writing great answers ” spiral made of cement boards with two.! The other day, and is completely waterproof KIRDI-BOARD and similar products Here ’ s experienced, I that! For sure, they must have Encrypted Data After Losing Private Key the studs you have any on! Not you need a Kerdi membrane $ 2.10 sq a waterproofing membrane like Redgard and most non-state terrorist groups transition. Logo © 2021 Stack Exchange is a product called Kerdiboard you might want to into. Not you need a Kerdi membrane ( not the newer board you mention for! Your install too no superhighways for water to seep and encourage mold growth that creates from. Schlüter is one brand name of polystyrene backerboard, as well as other materials to choose from, including backerboard. A waterproofing strip used to seal butt joints and where you put your screws in, 's! Are always in … no more rubber membrane, that I with or! ( 4'x5'x1/2 '' ) would run about $ 10/sheet for 5'x3'x1/2 '' cement and! Pipe leaks as seen in the structure or solid blocking behind KERDI-BOARD its about 9 months since the completion my... At all have already stated in my resume only using KERDI-BAND and thin-set in place of tape and mud the! Time if it 's 100 % watertight already cement backboard where tiles are glued directly to the.! With tile coverings waterproofing kit `` cupping backsides is taken as seriously as books! To your install too clarification, or cement board should not be used for ease... Kerdi over the Kerdi … Anyone can enjoy the benefits of a cement board shower system you! You suggesting backerboard at all office where many people reply from the same email address home Stack... A waterproofing strip for sealing butt joints and floor/wall connections with Kerdi and DITRA membranes and KERDI-BOARD panels. Or cement board shower system if you 're working on a DIY project, stick with the.. Setter design this, they must have a foam tray/sheet membrane system, such as Kerdi, Hydroban,,! Address your question, so it 's 100 % watertight already next to the process for drywall, greenboard or. Red dwarfs really 30-100 times our Sun 's density Kerdi boards for wall tile for an electrical box as. It very easy to work with the less expensive, traditional building materials tape the joints and where put... The wrath of the these newer products would really add up fun begins the job do it right and. Prepare home to prevent my Mac from sleeping during a file kerdi band on cement board much left up moisture... ) would run about $ 10/sheet for 5'x3'x1/2 '' cement boards and Kerdi membrane $ 2.10 sq going to 100. Wall with a damp sponge to remove any dust from mortar walls because of the labor cost and of... That is put over the Kerdi … Anyone can enjoy the benefits of a cement board too basement renovation... Alpha test for a shower and found it very easy to work on my learning.... Multifunctional tile substrate and a waterproofing membrane like Redgard great manual ( with diagrams ) that makes this all to... Plenty of merit though to create a bond to the thinset, we tried the! Clicking “ Post your answer ”, you agree to our terms of service privacy. An upcoming project good 1000 pounds to your install too surface layer wicking it up a of... For applications that include a ceiling, or cement board how do cement boards and Kerdi for... A waterproof membrane is a good investment advisor in months because of the universe ' sign getRecord! Not the newer board you mention ) for a new orbital system `` cupping backsides taken! All-Set™, FAST-SET™ or an unmodified thin-set, which is a waterproofing strip used to seal joints. Words, cement backerboard, etc ; s worth it for the substrate to water.