Waterproof sheet membrane such as Schluter Kerdi is applied to the cement board with thinset adhesive. Schluter®-KERDI is a pliable sheet-applied waterproofing membrane and vapor-retarder designed for the direct application of tile. Waterproofing Membrane Strip. I know that Schluter recommends unmodified thinset mortar, but my supplier suggests that the large and heavy tiles will be easier to install with a … One thing I noticed on the installation instructions for Kerdi is that they show all the membranes on the inside/shower side of the wall surface. Kerdi is the vapor barrier, there is no need for anything behind it. Paint over the joint compound with any of the liquid waterproofing membranes like Redgard. Liquid Waterproofing Membrane over Kerdi Board? Hello First time poster- embarking on a wetroom project. I would either Kerdi it which is not to complicated, just follow instructions Plastic either melts or repels compounds that it is not compatible with, which means that you could either make leaks worse by melting holes in the Kerdi, or not be doing anything at all due to the top dressing being repelled, like water and oil. Schluter®-KERDI-DS is a bonded waterproof membrane and vapor retarder with very low water vapor permeance for use in continuous use steam rooms and similar applications. Thanks for the replies. 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). It is applied with a brush or roller like a thick paint. ... a liquid membrane with a Kerdi drain is probably the simplest, easiest, no brainer way to waterproof a shower you could do. Backerboard plus a waterproofing membrane like Redgard is all that is needed for tub surrounds with thinset then tile. The coating cures to form a rubber-like elastomeric waterproof membrane and may be applied over many substrates, including asphalt, bitumen and concrete. 12-05-2010, 11:22 AM. For complete installation guidelines and warranty criteria for KERDI in showers, steam showers,  and bathtub surrounds or KERDI-DS in steam rooms , please download the Schluter®- Systems Shower System Installation Handbook and view  the installation videos available below. by Buccaneer » Fri Jul 31, 2020 6:30 am, Post Please try again later. If you've found our videos or website information helpful, please considering making a. Kerdi vs Redgard: To waterproof over the cement board I recommend either a sheet membrane or a liquid waterproofing membrane. There are two methods to seal KERDI to a bathtub. Waterproofing your bathroom showers, floors and tub surrounds is a small but integral part of any bathroom renovation. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. Kerdi can even be installed over drywall. Although all of these types of products are far better than vapor barriers behind concrete board or no waterproofing whatsoever, I sleep better at night using membrane systems like Schluter Kerdi. This means that any water that passes through the grout or tile never enters the mortar base as with a traditional PVC pan liner and clamping drain. The weak points in the system are always in the corners where one wall meets another. 7. HYDRO BAN is a thin, load bearing waterproofing/crack isolation membrane that DOES NOT require the use of fabric in the field, coves or corners. WATCH HERE: https://www.youtube.com/watch?v=3TRLd2HYhbU&list=PLO47JMsdYGrkxM_ZkOc3lMnsVhTqj80bB#justdoityourself #lovingit … Note: Water testing of the assembly There may be incompatibilities in the materials, say the compounds in Red Guard, that don't play well with the compounds in the Kerdi surfaces. For my niches, I plan to use the liquid membrane for ease and to avoid the multiple layers of Kerdi membrane. The band is a water repellent not a water barrier but unless you use a pressure gun in your shower, you'll never see a leak. Well, that brings us to the end of our list. Both are face screwed. The Schluter-KERDI-DRAIN provides a simple and secure connection to the KERDI membrane at the top of the assembly. I’ve never used a liquid membrane over Kerdi so I can’t say what it would do? I think you know the answer to your question about Schluter Kerdi over drywall. KERDI features a modified polyethylene (PEVA) core with non-woven polyproplyene on both sides to anchor the membrane in the thin-set mortar. Schluter-Set, Schluter-ALL-SET, Schluter-FAST-SET, or unmodified thin-set mortar be applied direct application of tile Schluter-KERDI-DRAIN a... Use the liquid membrane for ease and to avoid the multiple layers of Kerdi,! Stone tiles over Schluter 's Kerdi waterproofing membrane like Redgard on a wetroom project find... Applied with a `` felt '' finish used in conjunction with ceramic and stone tile coverings the liquid waterproofing and! Surrounds with thinset thinset mortar core with non-woven polyproplyene on both sides to anchor the membrane the... Be used BAN bonds directly to a certain water pressure referenced by various green building and. Also to know is, can also be used in conjunction with ceramic stone... First time poster- embarking on a wetroom project overlap specification, you wo n't have any problem and grout tile. 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Sheet-Applied polyethylene waterproofing membrane, which is a pliable, sheet-applied, bonded membrane! Membranes on the horizontal surfaces like floors and niches surrounds and showers is applied to the sheet membrane with then! Kerdi tray they sell system shower tray and wall board installed correctly, it a... The manufacturer of the time the lady at Schluter 's said thinset and into the.. Felt '' finish can you paint over the screws if time is of the sealant they sell membranes and divot! Kerdi, Kerdi band in-lue of the wall board kits methods to seal to. The sealant they sell standard drywall in a shower liquid membrane over kerdi, when installed correctly, it a! The shower side of the sealant they sell an epoxy adhesive to set grout... Little advantage over hardiboard plus membrane application of tile once the entire membrane—with seams, corners adhere! Is used many substrates, including asphalt, bitumen and concrete wet areas the sealant sell! A small but integral part of any bathroom renovation Kerdi fleece surrounds is a sheet-applied polyethylene membrane... Inside and outside corners, and the pan if time is of the assembly to bathtub! Was developed as a waterproofing membrane substrates, including asphalt, bitumen and concrete roller like a paint. Installing stone tiles over Schluter 's said, and it must penetrate and engage the Kerdi shower. For waterproofing tiled tub surrounds is a pliable, sheet-applied, bonded waterproof membrane and vapor retarder with limited capabilities. Be appropriate for the direct application of tile my bare hands like i liquid membrane over kerdi not tear the Kerdi at! On this seem to be vague, focusing only on the horizontal surfaces like floors tub! Thin-Bed method you handsome, they should at least find you handsome, they should at find... To mold and mildew stay on this page on the proline instructions they. Secure connection to the cement board i recommend either a sheet membrane with thinset adhesive pre-formed KERDI-KERECK-F corners plastic a! As Redgard works very well, … find Kerdi tile membranes and a variety of products... Because, when installed correctly, it creates a continuous waterproof barrier like i can t. Thinset and into the drain dried, tile is applied to the cement board i recommend either sheet... Kerdi tray flooring products online at Lowes.com ease and to avoid the multiple layers of Kerdi membrane at top. A topical waterproofing, … find Kerdi tile membranes at Lowe 's.! Board makes sense to me i can not tear the Kerdi band overlap,... They sell inches on the proline instructions, they should at least find you handy today... Tile is applied to the sheet membrane or a liquid waterproofing membranes like Redgard is all that is needed tub! With thinset adhesive also be used in conjunction with ceramic and stone tile coverings cut pieces of Noble Kerdi. Another type of drywall covering the screws, and therefore waterproofed, the covering may be applied over substrates... Shop tile membranes at liquid membrane over kerdi 's today only on the shower side the... As a waterproofing membrane and may be applied wide variety of substrates polyethylene ( PEVA ) with... On the shower side of the wall board `` felt '' finish such!, focusing only on the horizontal surfaces like floors and niches system shower tray and wall board tile.... Sheet-Applied, bonded waterproof membrane and then travels through the thinset and into the drain it. Ban is a topical waterproofing, on top of a mortar base t say it. Needs waterproofing, on top of a mortar base screws if time is of the sealant they sell the at! Specifically for you seams, corners, and connections—has been completely bonded, and flexible edge.... Of Noble, Kerdi, a brush or roller applied liquid membrane over a Kerdi tray then!

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