There's a really great manual (with diagrams) that makes this all easier to understand. There are many different types of underlayment to choose from, but they all serve the same purpose. Fixing that is not that easy though. In my. Do I have to use Kerdi tape with Ditra membrane? This makes Kerdi Board suitable for a wide variety of interior applications, including kitchen countertops. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'remodelormove_com-box-3','ezslot_2',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');Yes, you can put Kerdi membrane over cement board. With cement board as a substrate, the key is to ensure proper installation of the membrane. How do you show the depth of a hole in a drawing? It only takes a minute to sign up. Well, DH said he had virtually no time to work with the stuff before it dried out, so he switched from my spritz bottle to a sponge. RedGard can be applied to cement board panels in two ways: Roll it on the wall with a 3/4-inch nap roller or spray it on the wall. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It may take more than 1 beer:). Putting this stuff on walls is difficult and time . Cement board is a good, reliable backer board that works well on both floors and walls. Welcome to the site. vegan) just to try it, does this inconvenience the caterers and staff? We installed cement board on the walls, and today when we attempted to apply the Kerdi membrane we could not get it to adhere. KERDI was developed as a waterproofing membrane to be used in . #2 - Your suggestion has plenty of merit though. Politique d'Utilisation des Cookies de Houzz. See the foam bench and the corners. 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. Hardie board is a cement-based siding product that is water-resistant, but not waterproof. When screwed to the framing, thin strips of cement board fracture more easily than thin strips of fiber-cement. DIYers on this forum seem to have nothing but problems with Hardi. Installation. I'm guessing he put a 2x6 across for the curb? Our thinset was more watery than the videos, but it still managed to dry out quickly, even in the time it takes to apply the small corners in our shampoo niche. Schluter says that the Kerdi membrane and tile can be installed over standard gypsum wall board without any problems. Is a PhD visitor considered as a visiting scholar? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Spacers are the next step. All shower/tub areas should have concrete board (I prefer hardiboard). Kerdi does admit that you can use cement board. Thanks. 3. This allows the cement to properly hydrate, resulting in To ensure the floor is clean, wipe it with a wet sponge. More waste, yes, but I think you have to have a LOT of practice to hang those huge sheets like mongo does. Cement boards are typically capable of withstanding larger amounts of water, while a Schlter system is designed to hold up well only in dry conditions. This is often accomplished by filling any holes and cracks in the wall with appropriate spackling or patching material. The cement board needs to be clean, free of debris, and dry. When it comes to installation, a Schlter system is typically easier to install than a cement board, and it also allows for more design freedom as it does not require a traditional waterproof layer. x 96 in. The kerdi membrane will probably do the same, and its regularly installed over drywall which is probably less stable. The shower is ready for tile. On a vertical surface, very little moisture . A lot of folks like using cement board but it's heavy and requires a waterproofing membrane over it. Since my guys and I will be doing this for the first time next week, I 'd like to take advantage of your 'learning curve.' How "tidy" does the kerdi band need to be? Builder saying he doesn't want to put my trim tile in here. Kerdi board is a kind of waterproofer because these kinds of boards are made of XPS foam. ! 1. Will be doing a bathroom gut and will be laying durock cement board over plywood sub floor. Needed to interject a little "amateur humor. When it comes to using thinset with Schluter products, the Schluter-Systems website recommends using unmodified thin-set mortars specifically designed for use with Schluter membranes. The drywall's back side fails, and it's just as bad or worse than it was on the tile side. 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. That's the way us "Tile Guys" do it all the time. What do you mean it doesn't adhere? There is a product called Kerdiboard you might want to look into. First, you would waterproof with your favorite liquid waterproofing membrane of . Some being easier to work with than others. It only takes a minute to sign up. Needless to say, the drywall turned to mush. I hang Kerdi on cement board and fibercement board all the time. In order to determine which tile underlayment is right for your project, you need to know which issue youre trying to solve whether its preventing subfloor cracks from transferring to the tile, soundproofing, moisture protection, or providing more rigidity to the tile. In general, modified thin-set mortar is not recommended to set ceramic and stone tile, including large format tiles, over the KERDI membrane. All it takes is the right preparation. I think the first one I used was cheap and that was part of the problem. . To line niche shelves, for instance. I simply sponge off the excess. Once the membrane is in place, it can be sealed and reinforced with Kerdi-Fix sealant, Kerdi band, and Kerdi-Drain for added waterproofing strength. If you are good with a trowel and understand how to set up and use screeds as a guide for leveling or forming the mortar, pouring a traditional mortar bed may be a good alternative to tile backer board, especially on uneven or sloping floors. One of the major benefits of opting for Kerdi Board over cement board is the ease of installation. Properly waterproofed Hardie board should last for many years. I have to redo my tub surround due to moisture leaks and failing grout. This is necessary to ensure that the membrane will adhere properly to the drywall. Sweeby-Can you clarify- I undestood that the thinset would tend to dry out from the thirsty hardi or skim over from the air; so how does booking the Kerdi help with the first? By: Author Olin Wade (Remodel or Move Stuff). How do I connect these two faces together? This flexible polyethylene layer is easy to install and can protect the tile from both cracking and moisture. It is also widely available and a relatively inexpensive option approximately $10 for a 3-foot by 5-foot sheet. ", Signed,Never Hung Kerdi A Day In Her Life. Out of curiosity, why are any of you suggesting backerboard at all? I used this to seal a 3 1/2 by 6 1/2 foot shower with 7 foot walls. As such, many homeowners and professionals find themselves wondering whether Kerdi Board or cement board is the better tile substrate. It is important to seal any imperfections in the drywall to ensure a long-lasting installation and to minimize water infiltration. I like to use a garden sprayer to keep the thirsty Kerdi wet. 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. Why are physically impossible and logically impossible concepts considered separate in terms of probability? They can be installed on any type of support and can even be used to create partitions, with no structural support required. How to follow the signal when reading the schematic? The best answers are voted up and rise to the top, Not the answer you're looking for? Cut the Kerdi membrane to size using a utility knife or scissors. The perfect fold is tricky and many of my first steam showers where built without the sealed slip joint. When I tried putting up the first sheets, which were only 36" x 39", and even though I had SOAKED the hardi, to the point water was pooling on the floor, the thinset was already drying before I got the Kerdi up, and I couldn't get it to adhere properly no matter how hard I tried. Kerdi is also used as shower lining, as required in IRC Section P2709.2 and IPC Section 417.5.2, over concrete, mortar, tile backerboard, expanded polystyrene foam board, prefabricated polystyrene shower trays, curb and ramp, gypsum board and masonry substrates." So, you can choose what board you want in your shower when using Kerdi. The mortar does . Kerdi Board is suitable for a number of interior applications. Installing cement board involves placing the boards atop a layer of thinset adhesive, a process known as bedding. She grew up surrounded by constant home improvement projects and owes most of what she knows to helping her dad renovate her childhood home. Yes, it is recommended to waterproof cement board, especially if it is going to be used in exterior settings or in places where it will be in contact with water. Recovering from a blunder I made while emailing a professor, Minimising the environmental effects of my dyson brain. Cement board is a heavy mess compared to drywall, and drywall is a heavy mess compared to Kerdi Board. 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. However if installed on drywall it is only protecting one side. When having to put it up on the wall or measure it for size, you will find that you can get the exact measurements you need without much trouble. It installs with screws, then you tape the joints & screw holes and install your tile. They are absorbed into the surface material and help keep moisture away from the substrate surface. I trust it and have never had a callback. The type of bonding mortar used to apply KERDI must be suitable for the substrate and must penetrate and engage the membrane fleece. They are square. The cement board core itself is not waterproof, but it can withstand water without falling apart. I ended up putting up a thin, skim-coat of thinset all over the hardi board, letting it dry, and then putting up the kerdi. It is important to overlap the edge of the membrane so that it covers slightly more than half of the drywall behind it. Maybe try another brand of thinset? see Prop 65 WARNINGS. What Is the Difference Between 'Man' And 'Son of Man' in Num 23:19? . The waterproof membrane isn't a substitute for the substrate. About an argument in Famine, Affluence and Morality, Acidity of alcohols and basicity of amines. Can I put Kerdi board over drywall? Kerdi can be installed first on drywall or cement board. ".1) is is okay to use kerdi board instead of ditra on the floor? We mixed the thinset, it wasn't as smooth as the utube video, but it was close, and we gave it ten minutes. . We waterproof the outside the hardiboard in 99% of the install with something like redgard. tripadvisor car rental tampa airport xnxx big tits; roommate questionnaire google form shadow of the dragon queen deluxe; cities where home prices are rising 2022 beachbody bodi block; mahogany tree seeds uses @JimmyFix-it - hardiboard is not really porous unless it is completely saturated. Kerdi, a waterproofing membrane made of a special polyethylene fabric, should be allowed to completely dry prior to tiling. To create a watertight shower assembly, we installed Schluter's Kerdi membrane over the drywall, just as we would for tile.Write by:. And for a more secure fit, you can also use screws. there should be a small gap between the backer board and the tub. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Kerdi can even be installed over drywall. With so many different types of underlayment to choose from, it can be hard to decide which is best for your project. For the floor I make a dry mix mud base and then the Kerdi membrane. A successful tile installation largely depends on the substrate that the tile is attached to. If I go the kerdi membrane route, do I still need to tape the joints before installing the kerdi membrane . The most important thing to remember when applying the membrane over the cement board is to make sure the surface is clean and free of any debris, dust or other contaminants. Once you have determined the type of thinset, its important to also consider the weather conditions during installation. Finally, it is important to remember that any thin-set that has been exposed to moisture must be replaced. Significantly more time and effort is required to ensure a quality bond when using a modified thinset adhesive with KERDI, and for this reason, it is usually not recommended. I also used the Kerdi drain. Since the existing wall board will be removed, I'd prefer to go a little extra and install a water proof cement board type base so the tile has a solid substrate even if it were to get wet, such as from a plumbing leak, or from infiltration on an exterior wall (as unlikely as that might be).
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