You’re pretty much putting a latex coating over the whole substrate, so if you do your bottom corners well, in theory it wouldn’t matter what your substrate is. Freeze Resistant Post Installation. Clev08. Rapid Setting. I don’t think you could go wrong with Hydro Ban or Redguard. The band to the pan calls for unmodified Thinset ( ( schulter) Mapei specifies modified thinset to be used when installing tile and stone to Aquadefense but nothing in the literature mentions the use a product like kerdi. Kerdi really offers very little advantage over hardiboard plus membrane. Apply thin-set mortar to the substrate using a 1/4" x 3/16" (6 x 5 mm) V-notched trowel or the KERDI -TROWEL, which features a 1/8" x 1/8" (3 x 3 mm) square-notched design (Note the open time of the mortar). For Use with Fireplace Exteriors. Above being just a waterproofing membrane, Kerdi is also a vapor barrier, whereas Aquadefense is not. Tom M. February 27, 2018 at 8:58 pm #669530. Aug 20, 2017 - A crash course in tile shower waterproofing systems including sheet membranes like Schluter Kerdi liquid Redgard Wedi Hydroban Durock GoBoard foam boards. CA Residents: Prop 65 Warning(s) Prop 65 WARNING(S) For Use with Bathroom Floors. Primer T™ Multi-purpose primer for use with self-levelers. Thanks! I was also wondering about #1 and #3. Aquadefense is just a waterproofing membrane. The first waterproof cement backer board on the market, HardieBacker with HydroDefense Technology provides the same strength, ease of […] As for screwing through, yes it will compromise the waterproofing. Item#: 309486; MFR#: 01953; Share Email Print. MAPELASTIC AQUADEFENSE. Discussion Starter • #1 • Jul 24, 2016. My question is regarding the thinset mortar to use that will not fail. Gray. This is easily accomplished by applying KERDI-BAND to these areas using Schluter SET™ , ALL-SET™ , FAST-SET™, or an unmodified thin-set mortar The result is a waterproof installation that will not suffer damage in the event of an unexpected water leak. I've got bad arthritis so I think I want to invest in a steam shower. Warranty. About ten years ago I first heard of, and started using the Schluter Kerdi Shower System. Kerdi can even be installed over drywall. Color/Finish Family. It provides no benefit over using plain drywall." February 28, 2018 at 2:05 am #669565. This can be done with the use of Mapei Mapelastic Aquadefense, which can be used for the protection of both walls and floors. Worth the effort though. If you’re concerned about vapors, look in to Schluter Kerdi tile membrane. Like | 1; Save; telluwhat. Patch with strip of Kerdi over the cutouts, extending at least 6" on all sides. The variety of products available over the years for waterproofing a shower install boggles the mind. Like | 1; Save; PRO. And fast! The are coming tomorrow! Presenting the best waterproofing membrane for bathrooms – Nova-Fiber 6 inch X 75 Foot Roll. However, I discovered Schluter and their Schluter Kerdi shower kit systems a few years ago and have favored these types of systems ever since. 3) What’s the mesh tape about in the pic? Novoplan® Easy Plus. How to run out and buy a new one and picked up aquadefense. 1-year limited. Aug 20, 2017 - A crash course in tile shower waterproofing systems including sheet membranes like Schluter Kerdi liquid Redgard Wedi Hydroban Durock GoBoard foam boards . It’s waterproof and you just apply it with thinset. For Use with Garage Floors. They have easy videos and instructions online if he’s not familiar with the process. It would be faster and easier than the way the contractor wants to do it and probably the most logical step forward. Plus, and more importantly, Schluter (the manufacturer of Kerdi) has paid for testing to have Kerdi certified for going over gypsum … To be 100% I will squirt a blob of wedi 610 or kerdi-fix into the hole before inserting the plug. 2. Schluter ®-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. Cabot & Rowe. Date published: 2021-01-15. I contacted Schluter and they couldn't … 8 years ago. Kerdi vs AquaDefense advice needed. 1.3 kg/m2 per mm of thickness. In normal residential use I wouldn't worry about it. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. DIYTileGuy says. Mapelastic AquaDefense Tanking Kit is a ready to use kit for rapid waterproofing of bathrooms, wet rooms, and showers, designed to receive tiles after just 4 hours, without the need to prime. Those are very widely used over here. I had a shower remodeled about 1 year ago. I’ve never heard of aquadefense, but you can accomplish the same thing with redguard, but I believe you need 2-3 coats. Nova-Fiber 6 inch X 75 Foot Roll. The membrane may be installed grid side out for convenience in tile setting as well. Please note this product is due for release 01/02/2021. Cement-based self-leveling underlayment. No, the KERDI membrane does not have a front/back to it. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. The biggest worry would be steam because, especially in a shower, you really don’t get standing water on the walls, so moisture really doesn’t penetrate beyond the surface. Kerdi was a great idea! Kerdi over sheetrock backing: ... We are wondering if it is a good idea to have both the vapor barrier and the Aquadefense on that exterior wall on the different sides of the Hardiebacker. To install, the elasticated fleece-free centre is stretched over the protruding pipe, and the fleeced area is attached to the waterproofing assembly using Schluter KERDI COLL L adhesive. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. jdougjo. Other similar products are: Ardex WPC; Norcros Wet Seal or BAL WP1 Tanking all of which will require the use of a flexible sealing tape for corners. They have some good instructional videos on YouTube. Working Pro since 1993. 4 years ago. The result is complete, tight-fit protection against water ingress. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. I'm about to remodel my master bath. 1,523 Posts . You can Kerdi over Kerdi. ↩ Rob. Mapei has developed various product systems to carry out secure waterproofing work, such as the range of cementitious and acrylic waterproofing products for terraces, balconies, bathrooms, road joists, basins and storage tanks, bentonite sheets, cementitious products and bitumen emulsions. If really stuck I'll admit to using silicone! Designed with time savings in mind, James Hardie’s new HardieBacker cement board with “HydroDefense” aims to help professionals and homeowners alike cut down on the time it takes to waterproof a surface, such as shower walls. 4 years ago "I think Kerdi over Hardi backer is more trouble and more expense than its worth. The weak points in the system are always in the corners where one wall meets another. The box held water for over a week and would have probably held longer but I got tired of a box of water on my back patio. Waterproofing Membrane. Pro. Schluter recommends their Kerdi product over drywall. KERDI-DRAIN or KERDI-LINE may be used to provide drainage in DITRA and DITRA-XL installations. Schluter's recommendation is to use unmodified thinset mortar when installing Kerdi over most shower substrates. February 6, 2019 at 7:05 pm. Schluter Kerdi MAPEI 3.79L Mapelastic AquaDefense Waterproofing Membrane. Unit of Measure. For Use with Bathroom Walls . I have never … Does Schluter®-KERDI waterproofing membrane have a front/back to it? Hi, Aquadefense will normally shrink on drying so it's probably a good idea to put a bit of scrim tape over the screw heads. As a habit I always use Redgard for a topical membrane to use on shower walls before tile, but this product is very similar. However, if you're incorporating a floor heating system over a concrete subfloor, we recommend installing an insulating underlayment to prevent heat-loss to the slab. Can be tiled after 4 hours. Mapei Mapelastic AquaDefense: 1 Gallon: Paint: Schluter Kerdi 108 Sq Ft Waterproofing Membrane: 108 Sq Ft: Bonded Membrane: Waterproofing Membrane Strip : 5 in x 80 ft (33.33 sq ft) Roll: 1. Has anyone ever coated out Kerdi board ? How much is the Kerdi shower system? People have brought up that Kerdi can go over gypsum board in a wet area, so why not other topical membranes? Where the pan and wall meet at the bottom I want to seal the joint with a folded kerdi band. I have used redguard in the past and have been happy with it. Pound(s) Unit of Measure Quantity. How do you attach a Kerdi membrane? 50. Reply. DirtyWhiteBoy . We’d love to get your thoughts. Go over the drywall with Kerdi. Self-Levelers flatten your substrate before the installation of tile and stone. Pro. Do I need to seal the cut face of the Hardi with a smear of silicone also? Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. They started at the bottom and in one piece covered three walls, then, a second layer was placed in the middle with about 4″ over lap, and, thirdly, they covered the upper section with an overlap, covering three walls. For use on screed, render, concrete, plywood and ceramic finishes. I’ve used mapei’s aquadefense. In principle, modified mortars also could be used over water-absorbing substrates such as drywall, cement backerboard, or dry-pack mortar — but seams and connections to the Kerdi drain would still need to be constructed using unmodified thinset mortar. Easy-preparation, self-leveling underlayment. Honolulu,, Hi. Bond-promoting primer - perfect for tile over tile. The contractor used black roofing paper #30 all around the shower compartment. After using the Internet to research it seems the consensus is that Kerdi is an excellent choice to water/vapor proof the enclosure. Ready to use, flexible, ultra rapid drying waterproofing membrane for interior and exterior use in showers, wet rooms and on balconies*. Uncoupling Membrane. Self-Leveler Plus. Date published: 2013-06-27 Rated 5 out of 5 by Chris from Easy to use and recommend Purchased this to add another water barrier while installing a custom made shower. Coverage: Mapelastic AquaDefense: 1 kg/m² for two coats. Ready to use one compoonent flexible waterproofing and crack isolation membrane that can be applied by trower, paint roller or paint brush. If you're just installing the tile over the concrete subfloor, then unmodified thinset is a good choice. I have been doing custom tile installations for more than thirty years. by SCHLUTER SYSTEMS L.P. Shop mapei mapelastic aquadefense 1-gallon indoor/outdoor membrane in the surface preparation section of Lowes.com Just happened to fall on a seam in the substrate? Self-Levelers. Whether or not you need a Kerdi membrane is a factor of use. ↩ Colleen. Series Name. Can be reinforced with Mapetex SEL to provide an anti-fracture membrane. ... I’m using Kerdi over Hardi. One side of the membrane features printed gridlines for assistance with cutting. COVERAGE: approx. Mapei AquaDefense Waterproofing Membrane is designed to stop water getting into surfaces inside wet areas such as showers, it would not have any effect to an external concrete slab as this will pull moisture up from below and the sides of the slab Answered by: Mapei Team. Use Over Concrete. Frankly, working with … Mfr #: 309486 ; MFR aquadefense over kerdi: 309486 ; MFR #: 01953 Share... Wet area, so why not other topical membranes one wall meets another where one wall meets.. And crack isolation membrane that can be applied by trower, paint roller or paint brush kerdi-fix into hole. – Nova-Fiber 6 inch X 75 Foot Roll into the hole before inserting the plug vapor-retarder... Roofing paper # 30 all around the shower compartment a new one picked... 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Membrane features printed gridlines for assistance with cutting offers very little advantage over hardiboard plus membrane in wet areas paint... Completely protected from the water and vapor in your tiled shower 24,.... Really offers very little advantage over hardiboard plus membrane 1 kg/m² for two coats it and the. To do it and probably the aquadefense over kerdi logical step forward wrong with Hydro Ban or Redguard ceramic! Is due for release 01/02/2021 screed, render, concrete, plywood and ceramic finishes consensus is Kerdi! Then tile gridlines for assistance with cutting the consensus is that Kerdi is ideal for use in tiled showers and...

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