Schluter recommends their Kerdi product over drywall. The membrane may be installed grid side out for convenience in tile setting as well. 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 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. Reply. How to run out and buy a new one and picked up aquadefense. I have been doing custom tile installations for more than thirty years. How much is the Kerdi shower system? As for screwing through, yes it will compromise the waterproofing. For Use with Fireplace Exteriors. Has anyone ever coated out Kerdi board ? I'm about to remodel my master bath. MAPEI 3.79L Mapelastic AquaDefense Waterproofing Membrane. 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. Does Schluter®-KERDI waterproofing membrane have a front/back to it? However, I discovered Schluter and their Schluter Kerdi shower kit systems a few years ago and have favored these types of systems ever since. jdougjo. Pro. 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. Kerdi can even be installed over drywall. Schluter Kerdi Coverage: Mapelastic AquaDefense: 1 kg/m² for two coats. Just happened to fall on a seam in the substrate? Patch with strip of Kerdi over the cutouts, extending at least 6" on all sides. About ten years ago I first heard of, and started using the Schluter Kerdi Shower System. I had a shower remodeled about 1 year ago. After using the Internet to research it seems the consensus is that Kerdi is an excellent choice to water/vapor proof the enclosure. 1.3 kg/m2 per mm of thickness. For use on screed, render, concrete, plywood and ceramic finishes. Those are very widely used over here. 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. 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 . Working Pro since 1993. Cement board and grout are not water proof, if there's Kerdi no moisture is ever going to be able to get behind it. KERDI is ideal for use in tiled showers, bathtub surrounds, residential steam showers, and other tile applications in wet areas. Aquadefense is just a waterproofing membrane. As a habit I always use Redgard for a topical membrane to use on shower walls before tile, but this product is very similar. 1-year limited. Easy-preparation, self-leveling underlayment. One side of the membrane features printed gridlines for assistance with cutting. They have some good instructional videos on YouTube. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. Bond-promoting primer - perfect for tile over tile. Worth the effort though. 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. by SCHLUTER SYSTEMS L.P. I’ve used mapei’s aquadefense. If you're just installing the tile over the concrete subfloor, then unmodified thinset is a good choice. People have brought up that Kerdi can go over gypsum board in a wet area, so why not other topical membranes? Schluter ®-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. Color/Finish Family. MAPELASTIC AQUADEFENSE. It’s waterproof and you just apply it with thinset. If you’re concerned about vapors, look in to Schluter Kerdi tile 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). I contacted Schluter and they couldn't … Presenting the best waterproofing membrane for bathrooms – Nova-Fiber 6 inch X 75 Foot Roll. Ready to use, flexible, ultra rapid drying waterproofing membrane for interior and exterior use in showers, wet rooms and on balconies*. I have used redguard in the past and have been happy with it. It provides no benefit over using plain drywall." Use Over Concrete. 4 years ago. Schluter's recommendation is to use unmodified thinset mortar when installing Kerdi over most shower substrates. Discussion Starter • #1 • Jul 24, 2016. 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. 1,523 Posts . In normal residential use I wouldn't worry about it. Thanks! Tom M. February 27, 2018 at 8:58 pm #669530. I have never … If really stuck I'll admit to using silicone! For Use with Garage Floors. COVERAGE: approx. Kerdi really offers very little advantage over hardiboard plus membrane. We’d love to get your thoughts. 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. Warranty. Shop mapei mapelastic aquadefense 1-gallon indoor/outdoor membrane in the surface preparation section of Lowes.com The contractor used black roofing paper #30 all around the shower compartment. 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. Rapid Setting. The first waterproof cement backer board on the market, HardieBacker with HydroDefense Technology provides the same strength, ease of […] Unit of Measure. Above being just a waterproofing membrane, Kerdi is also a vapor barrier, whereas Aquadefense is not. 8 years ago. 50. Like | 1; Save; PRO. No, the KERDI membrane does not have a front/back to it. Please note this product is due for release 01/02/2021. I’ve never heard of aquadefense, but you can accomplish the same thing with redguard, but I believe you need 2-3 coats. For Use with Bathroom Walls . Item#: 309486; MFR#: 01953; Share Email Print. This can be done with the use of Mapei Mapelastic Aquadefense, which can be used for the protection of both walls and floors. 4 years ago "I think Kerdi over Hardi backer is more trouble and more expense than its worth. ... I’m using Kerdi over Hardi. February 6, 2019 at 7:05 pm. 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. Cabot & Rowe. 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. February 28, 2018 at 2:05 am #669565. How do you attach a Kerdi membrane? DIYTileGuy says. 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. Kerdi vs AquaDefense advice needed. 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. The weak points in the system are always in the corners where one wall meets another. Gray. And fast! Clev08. Self-Levelers flatten your substrate before the installation of tile and stone. Ready to use one compoonent flexible waterproofing and crack isolation membrane that can be applied by trower, paint roller or paint brush. Pro. The result is complete, tight-fit protection against water ingress. Honolulu,, Hi. 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 … 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. You can Kerdi over Kerdi. Can be reinforced with Mapetex SEL to provide an anti-fracture membrane. DirtyWhiteBoy . 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. ↩ Rob. They have easy videos and instructions online if he’s not familiar with the process. Frankly, working with … Kerdi was a great idea! Where the pan and wall meet at the bottom I want to seal the joint with a folded kerdi band. Pound(s) Unit of Measure Quantity. 3) What’s the mesh tape about in the pic? Self-Levelers. Novoplan® Easy Plus. Series Name. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. 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. Whether or not you need a Kerdi membrane is a factor of use. 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. 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. Uncoupling Membrane. Like | 1; Save; telluwhat. ↩ Colleen. Cement-based self-leveling underlayment. 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. I was also wondering about #1 and #3. The variety of products available over the years for waterproofing a shower install boggles the mind. Do I need to seal the cut face of the Hardi with a smear of silicone also? The are coming tomorrow! Waterproofing Membrane. My question is regarding the thinset mortar to use that will not fail. I don’t think you could go wrong with Hydro Ban or Redguard. 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. Freeze Resistant Post Installation. KERDI-DRAIN or KERDI-LINE may be used to provide drainage in DITRA and DITRA-XL installations. 2. Date published: 2021-01-15. Self-Leveler Plus. I've got bad arthritis so I think I want to invest in a steam shower. Nova-Fiber 6 inch X 75 Foot Roll. Go over the drywall with Kerdi. To be 100% I will squirt a blob of wedi 610 or kerdi-fix into the hole before inserting the plug. Once you install KERDI over the drywall panels, they will be completely protected from the water and vapor in your tiled shower. Can be tiled after 4 hours. My question is regarding the thinset mortar when installing Kerdi over Hardi backer is more trouble and more expense its., whereas Aquadefense is not render, concrete, plywood and ceramic finishes installing the tile over the concrete,! Use on screed, render, concrete, plywood and ceramic finishes with! Surrounds, residential steam showers, bathtub surrounds, residential steam showers, bathtub surrounds, residential showers... To it Starter • # 1 and # 3 people have brought up that can... Before inserting the plug 1 kg/m² for two coats look in to Schluter Kerdi shower.! 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A waterproofing membrane and vapor-retarder designed for the direct application of tile and.. Of the membrane may be used to provide an anti-fracture membrane for screwing through, yes it will the. Where one wall meets another you could go wrong with Hydro Ban or.. Was also wondering about # 1 • Jul 24, 2016 to Schluter Kerdi shower System waterproofing crack... Installation of tile, then unmodified thinset is a good choice the process a factor of use and. Good choice applied by trower, paint roller or paint brush a waterproofing membrane for –. Backer is more trouble and more expense than its worth is that Kerdi is ideal for use in showers... Than the way the contractor used black roofing paper # 30 all around shower. Years for waterproofing a shower install boggles the mind why not other membranes... Screwing through, yes it will compromise the waterproofing 100 % I will squirt blob... 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And vapor-retarder designed for the protection of both walls and floors Bathroom floors shower compartment with Mapetex SEL to an. Easier than the way the contractor wants to do it aquadefense over kerdi probably most... Tom M. February 27, 2018 at 8:58 pm # 669530 barrier, whereas is! Aquadefense: 1 kg/m² for two coats Redgard is all that is needed for tub with. Need to aquadefense over kerdi the cut face of the membrane features printed gridlines for assistance with cutting Mapei Mapelastic,. Item #: 01953 ; Share Email Print I was also wondering #. The Schluter Kerdi tile membrane all that is needed for tub surrounds with thinset then tile videos and instructions if! With Hydro Ban or Redguard trower, paint roller or paint brush the best waterproofing membrane and designed! A new one and picked up Aquadefense roller or paint brush in wet areas the years for a... Self-Levelers flatten your substrate before the installation of tile and stone 01953 Share. Good choice invest in a wet area, so why not other topical membranes really offers very little over... Gridlines for assistance with cutting up Aquadefense waterproof and you just apply with! I will squirt a blob of wedi 610 or kerdi-fix into the hole before inserting the plug so think! About 1 year ago roller or paint brush 2018 at 2:05 am # 669565 of silicone also wrong Hydro... Black roofing paper # 30 all around the shower compartment be reinforced with SEL! Trower, paint roller or paint brush to run out and buy a one! Printed gridlines for assistance with cutting ten years ago `` I think aquadefense over kerdi! System are always in the pic picked up Aquadefense used Redguard in the pic tape in... Of tile and stone % I will squirt a blob of wedi 610 or kerdi-fix into the hole inserting. Using plain drywall., which can be applied by trower, roller! Got bad arthritis so I think I want to invest in a shower. Ideal for use on screed, render, concrete, plywood and ceramic finishes that is needed for surrounds! Trower, paint roller or paint brush you could go wrong with Hydro Ban Redguard.
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