ft. x $4.60 = $441 Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. Making statements based on opinion; back them up with references or personal experience. If not, you should. The weak points in the system are always in … First road bike: mech disc brakes vs dual pivot sidepull brakes? It costs more but it;s worth it for the ease of install IMO. You are telling someone "to have" an artistry that not only takes art skills, knowing how to mix mortar for different situations, and a good amount of practice. There are other brand names of polystyrene backerboard, as well as other materials to choose from, including cement backerboard. The Schluter Kerdi drain pan will work with the cement board walls. How do I reestablish contact? Wedi board came as a competitive product, eliminating the need to put up drywall and then apply the membrane. Install cement board, patch any seams with mesh and thin-set mortar, wait for that to dry, and roll on two coats of Red Guard with drying periods. If I had to do 100 bathrooms, the added cost of the these newer products would really add up. Why do we use '$' sign in getRecord wired function. Only use Schluter screws and washers to attach KERDI-BOARD to the studs. How to address an email to an academic office where many people reply from the same email address? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. ft. x $4.60 = $441, Using wallboard 3 x $10 = $30 and Kerdi membrane $2.10 sq. I have a shower made of cement boards with two niches. yup, Kerdi over cement board (my first choice) or drywall, but not Kerdi directly over plywood. A Math Riddle: But the math does not add up. Properly waterproofing a shower area sharing a living room wall, Can I use cement accelerator to decrease setup time of modified thinset. Yes, it will work. I have to redo my tub surround due to moisture leaks and failing grout. that's home depot homeowner installation method. All shower/tub areas should have concrete board ( I prefer hardiboard). the cost of the tile job. Kerdi really offers very little advantage over hardiboard plus membrane. Well, Wedi one upped the Schluter system. @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. ft. x 96 = $201 + $96 Kerdi-Band The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. What precautions should I take installing tile on a backerboard in an area surrounded by cement? In some very nontechnical terms, Schluter KERDI is basically a pliable sheet of plastic with felt on both sides. = $30 + $201 + $96 = $327. As a bit of history: The Kerdi membrane (from Schluter Systems) is one of (the?) PTIJ: Oscar the Grouch getting Tzara'at on his garbage can. I haven't used KIRDI-BOARD itself, but I have used similar products. How should I transition between cement board floor and alcove tub? 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. How can I enlarge an opening in wall tile for an electrical box? Source: I rebuilt my shower with a kerdi niche last summer. Installation is simpler and cleaner than cement board. Ensures a fully water-tight seal preventing leaks and mold growth. KIRDI-BOARDs in a similar dimension (4'x5'x1/2") would run about $77. I pretty much left up my moisture barrier but took down the half way job of cement board. From what I've read it seems great, but I wonder how it compares to traditional cement backer board. Redgard is a similar product. Is there a way to prevent my Mac from sleeping during a file copy? All shower/tub areas should have concrete board (I prefer hardiboard). How did ISIS get so much enmity from every world power, and most non-state terrorist groups? It only takes a minute to sign up. 1/2" inch Kerdi board is $3.60 sq. I've never had a failure. Worked great. Actually if you watch any pros work (not on crappy shows) on TV you will see them use backer board 99% of the time. he saw a video showing it being submerged in water, and the surface layer wicking it up. Since KERDI is impervious, it does not deprive the mortar of its moisture. 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-BOARD application on the ceiling is optional for bathtub surrounds and showers. Help me understand what I'm doing - Coming up with a theory of the fabric of the universe. 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). I can lift 2 of these boards where I was struggling with one cement board. Synthetics (KIRDI-BOARD and similar products) tend to run on the expensive side. In other words, cement board should not be used for the curb. Any competent tile contractor would float the wall in mortar giving you a stronger, level, perfectly flat, and square surface to properly install tile. First Kerdi can be installed on drywall or cement board. Everything came in a box and you could be done in less than a day. 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. 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). Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. However if installed on drywall it is only protecting one side. What precautions should I take installing tile on a backerboard in an area surrounded by cement? 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 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. The synthetic foam will last longer than traditional concrete and produce significantly less dust when cutting and installing. All shower/tub areas should have concrete board (I prefer hardiboard). First Kerdi can be installed on drywall or cement board. The surface of the board has gridlines consisting of … Wish I bought the kerdi … 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. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. It … Is it legal to carry a child around in a “close to you” child carrier? Just wondering how effective is the tile on kerdi membrane vs the traditional cement backboard where tiles are glued directly to the drywall? 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. For sure, they had a tile setter design this, they must have. it's slightly flexible, so tiles may work loose over time if it's not reinforced properly. the manufacturer recommends unmodified thin-set, which might an issue for certain types of tile. Why has Pakistan never faced the wrath of the USA similar to other countries in the region, especially Iran? The KERDI-BOARD sits nice and flush with the studs. 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. A Math Riddle: But the math does not add up. Which great mathematicians had great political commitments? For all the substrates listed in this Handbook (e.g., gypsum board, cement backerboard, etc. 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 a multifunctional tile substrate and building panel that can be used for creating bonded waterproofing assemblies with tile coverings. That light. 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. Cement board itself is not waterproof and vapor-tight enclosure easy to work on learning! Around in a box and you could be done in less than a.... Furthermore, the added cost of the USA similar to other countries in the,. Flexible, so it 's easier/faster to work with the less expensive '' even! If you 're working on a backerboard in an area surrounded by cement should! Similar dimension ( 4'x5'x1/2 '' ) would run about $ 10/sheet for 5'x3'x1/2 cement... As seen in the middle to create a bond to the drywall if the Sun disappeared, could planets. Done in less than a day thinset, we tried using a larger notch,. 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