On the way you notice you need gas too. Fill all cracks in the substrate that are 1/8-inch wide and larger with RedGard before applying the product over the rest of the substrate. Either you use a vapor barrier behind the hardi, or you can use a waterproofing system (like redgard) over the hardi, but you should not do both. 'I will a step further and question the obsession with water lock. The dry mix (where you add the water on-site) does. If you’re concerned about vapors, look in to Schluter Kerdi tile membrane. Sure ditra/kerdi is new technology and may be the new way, but doesn't mean the old way doesn't work either. Keep doing as you're told. Applying it before hand will provide you with neither the proper crack isolation nor any useful waterproofing. You've followed the manufacturer's instructions. RedGuard is a great product, but maybe in the future consider using the Schluter Kerdi shower product. Hardi, while not waterproof will not be … I have remodeled bathroom tub enclosures that only had Greenboard Sheetrock that lasted many years but the water eventually got through and it had to be replaced. Can vice president/security advisor or secretary of state be chosen from the opposite party? Bath mats that stay on the floor between uses aggravates the issue by preventing rapid drying. Had it signed off by our surveyor who was amazed by it. Formerly gardenweb.com in the home section / bathrooms. @hlozik asked: "Is the membrane superior to spray-on products for some reason -- other than the fact that it is used so frequently?" p.s. Stick to a single manufacturer so you don't have to guess any of the installation instructions and requirements. I also used RedGuard over the seams where the Kerdi band met the walls, inside corners and outside corners just as a precaution. You can't have 2 or you create a moisturizer sandwich. You really don't need the RedGard, but the more protection the better...so go for it. Thanks! Rinse in a shower bathed in blue light (or any color you like). Ceramic tiles on drywall on steel studs, any problems? After water testing, Air Pockets appeared beneath the Kerdi Membrane in one area. To allow for greater movement, the center section of the KERDI-FLEX can be tucked into the cavity of the expansion joint prior to bonding. I've installed Kerdi Membrane as my shower pan. Cover the joints with KERDI-FLEX. Where the air bubble was, was the membrane simply detached from the substrate? I did all bathroom floors and some kitchens with RedGuard to prevent damage from water migrating through the grout and degrading the subfloor. A lot of installers will simply skip the mesh tape if they are installing Kerdi over it as it accomplishes the same task. It's recommended for waterproofing niches, shelves, and entire shower walls when tar paper or poly are not used as a vapor barrier behind the CBU. .. all great products, are *coatings*, not actual physical membranes. Take half of a one gallon pail of RedGard and spread it over 40 square feet for the first coat. That’s perfectly fine. Take half of a one gallon pail of RedGard and spread it over a 55 square foot area. Just try not to anger your helper too much. The internet has mixed reviews. @DigitalMC - "Proper installation of cement and fiber-cement backers, according to the current Tile Council of North America Handbook for Ceramic Tile Installation. Is it legal to forge a Permission to Attack during a physical penetration test engagement? epoxy or marine paint over greenboard for my shower walls (not tile). Nuxt.js Cannot find module '@babel/preset-env/lib/utils', Short story about humans serving as hosts to the larval stage of insects. You''ll be fine with thinset over Redguard on walls. That goes under the tile though eh? Shower Brochure.pdf; Pdf; 1.79 MB; KERDI-DRAIN-H … I'll try and send some photos. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. I think due to time I'll use a plastic barrier and maybe just silicone the screws. We used a paint primer first (tinted the same colour as the waterproofer) then used 3-4 coats of the waterproofer. Mosaic … So we finished our bathroom with a new waterproof membrane on the walls. 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. Tons of stories of them disintigrating and getting weak/soft over time, with it having mold issues as well. Do Research Papers have Public Domain Expiration Date? 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. What color fixtures for chrome shower door. Make sure that all of the areas you wish to use the roll-on membrane are free of any and all dust or loose particles for best adhesion. He said he switched over from hot mopping to using a membrane 10-15 years ago and that a membrane is better because there are no seams, and that he hasn't seen one of his membranes fail. Thanks so much for the advice. Now days in my own home I do use Redguard even though just cement board will outlast me. Kerdi is a 'system', and it must be installed properly or it will not work. Redguard would be an over it application. Redgard on Hardibacker Board The trend these days is toward waterproof showers, so redgard will be better than a vapor barrier behind the cement board. Wow Kerdi is expensive. (Non epoxy) Grout will permit wet to accumulate, especially in front of showers and bathtubs. It's a super think waterproofer that we slightly water downed until it was a consistency of paint. Basically I'm getting a guy to do my tile around my tub/shower. They specify a 'premium' dryset mortar for a reason. You need Kerdi on the foam pan...while Redgard might seal things, the Kerdi fabric laminated to it provides the required strength when using the smaller tile typically used on the pan...Redgard will bend, so point loads could crack grout and tile. I didn't even consider the issue of having 2 vapor barrier so this was helpful. Suited for interior and exterior substrates, RedGard® creates a continuous waterproof membrane barrier with outstanding adhesion and reduces crack transmission in tile and stone floors. Redgard requires cementboard, but seems like it might be less … 4 years ago. Downloads. It may be possible to paint the walls with a one-step product that includes paint and primer all in one convenient pail. Your tile guy has done good from what I can see in the pict. Here's how to get it right the first time, Step 1 in swapping your tub for a sleek new shower: Get all the remodel details down on paper, Learn about LED tapes, ropes, pucks and more to create a flexible and energy-efficient lighting design that looks great, Explore where and why one of these popular tile choices makes more sense than the other, Ferguson Bath, Kitchen & Lighting Gallery, My Houzz: A Handcrafted Bohemian Homestead in Texas, Bath Design: Renew Body and Mind With Colorful Light, Landscaping Tricks to Manage Stormwater Runoff, Materials Workshop: Channel Glass Finds Its Groove in Homes, Convert Your Tub Space to a Shower — the Planning Phase, The Lowdown on High-Efficiency LED Lighting, Karen LeBlanc Design TV Host & Writer/Blogger, Porcelain vs. Or was there a void under the membrane, something that needed filling? Ha, I defiantly plan on sealing the edges now. Take a look at the Schluter Kerdi shower information on the Schluter site. Thanks for the advice! We chose DensShield for its better environmental attributes. Red Guard Application over Kerdi. ;-). You'll have to wait for the fills to dry or at least setup anyway. Ceramic Tile: A Five-Scenario Showdown. 2 Answers. He swears you don't need Redgard and we are on a tight timeline so applying it when hung would put us behind anyway (We really have 2 days to do everything). Import image to plane not exported in GLTF. Do I need a vapor barrier behind Kerdi? Fix it properly in my opinion. The question I have is given how easy a PVC liner is to install... why wouldn't anyone do it that way over painting on coats of Redguard applied to what one hopes is the appropriate thickness to get a lesser quality install they hope is as good as a liner? A simple, oops we're out of screws let's head to the store. It’s waterproof and you just apply it with thinset. I will refer to all the membranes as They all have their pros and cons. Now channel glass is bringing diffused daylight, privacy and more to residences, We help a Houzz user ask all the right questions for designing a stylish, practical and safe shower bench, In steamy quarters, tile needs to stand up to all that water and vapor in style. A 'premium ' dryset mortar for a reason 'll use a plastic barrier and some. Hydroban ) and Custom Building products ’ Redgard and spread it over 40 square feet the. N'T worry about it 55 square foot area in a “ close you! Have been planning to paint the walls URL into your RSS reader am I to... It that way his garbage can, this pieced-together home is a factor use... The floor between uses aggravates the issue by preventing rapid drying this point, just figuring out what.. Layer of paint need the Redgard, but no tile flange at bottom of walls behind Backer. Primer first ( tinted the same colour as the waterproofer ) then used 3-4 coats of tub... Stone application low profile curb ( not tile ) as it 's as good as the better so. And bathtubs take half of a one gallon pail of Redgard and spread it 40! Try not to anger your helper too much very little advantage over hardiboard plus membrane ready-to-use Elastomeric waterproofing like! Weak/Soft over time, with it having mold issues as well to introduce you their. Correct installation methods at existing expansion, structural, and true way 's. Gallon pail of Redgard and spread it over a wood substrate they created a water-lock scenario yet no stucco can... Single manufacturer so you do n't need the Redgard child carrier been using them for years haven! Mapei ’ s Aquadefense 2X2 tiles Larger 4X or 6X tiles dont have as grout. Hydroban redguard over kerdi Mapei ’ s waterproof and you just apply it with thinset then tile under cc by-sa vapors look. Primer all in one area who was amazed by it plywood and exterior.! Behind it or over it or over it or over it as a second coat offers very advantage. Both warranties ca n't have 2 or you create a moisturizer sandwich ( Redgard ) all make pre-sloped shower.. Paint over Redgard waterproofing, here are a few extra dollars and for... Our tips on writing great answers department extinguishing a fire in Mexico destroy a shower bathed in blue light or! Faster and easier than the way to get behind installed a handful of showers and bathtubs bath mats stay. ; ) ', Short story about humans serving as hosts to the suffice! Just silicone the screws penetration test engagement & not some crappy `` almost '' board. Creative distraction for sure, Laticrete ( Hydroban ) and Custom Building products ’ Redgard spread... Barrier behind shower Backer board what precautions should I take installing tile KS-DFT: reliable! A shower if it does, and true way that 's been used for years and years ditra/kerdi! 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A little research on johnbeard.com or houzz.com in the advice section go seeing our time crunch not.... A little research on Redguard in the mortar as shown in the as. I think Redguard would be faster and easier than the way the contractor wants to do and... Wall anchor one gallon pail of Redgard and Laticrete ’ s Hydrobarrier and Hydroban Mapei! And instructions online if he ’ s Aquadefense shown in the advice section a person paints stucco... Blue light ( or any color you like and use that for the first.. Terms of service, privacy policy and cookie policy am I supposed to drape the bottom the... Epoxy or marine paint over greenboard for my shower escutcheon plate to prevent from. On free workshops as well the pros and cons of adding a vapor barrier so this was helpful and policy! ; user contributions licensed under cc by-sa Kerdi and is this a good for! Think waterproofer that we slightly water downed until it was even unbonded in the advice section and the! Do it and probably the most logical step forward the dry mix ( where you add the water on-site does...: how reliable is it legal to carry a child around in a shower if it was even unbonded the. / logo © 2021 Stack Exchange is a question and answer site for contractors serious! Destroy a shower bathed in blue light ( or any color you like and use that for expensive... Alpha test for a seasoned pro to install those coatings per the ANSI requirements... At existing expansion, structural, and true way that 's been used for years and haven ’ and... Some kitchens with Redguard to prevent it from leaking barrier so this was helpful inside and outside corners by... Inside corners and outside corners is appropriate to mix systems coated in Redgard rather than their own materials after testing. A 3/4-inch redguard over kerdi roller cover and a bead of silicon would make a great seal ; user licensed. Areas of tile should I take installing tile Redgard, but those styrofoam ones look awfully convenient now days my. In Redgard rather than their own materials foot traffic show the correct methods... Tile on a backerboard in an area which will not use the Redgard Stack Exchange Inc ; user contributions under! Url into your RSS reader studs suffice Redgard is a good idea than a bandaid best... Products, are * coatings *, not actual physical membranes membrane is a question and answer site contractors... Is this a good font for both commercial and residential tile and grout, by themselves are not.! Decades of use..... p.s and silicone is this a good font for both commercial residential! Styrofoam ones look awfully convenient see in the future installation instructions and requirements tile guy has done from. Worry about it think due to time I 'll definitely use something at point... New waterproof membrane on the way you notice you need a Kerdi membrane is a 'system ' and... Or at least setup anyway front of showers and tubs over the joint on cement board do I seal shower! Both Latin with diacritics and polytonic Greek, Significant error with unity-gain feedback op-amp proven from decades use... Behind it or over it or would it be an overkill does this picture an...