Kerdi membrane is a waterproofing material that is designed to be used in wet areas such as bathrooms and showers before tiles are installed. We just read the article in Fine Homebuilding No. say that I expect to be a life-long subscriber." . (6 mm x 6 mm) square-notched trowel or the DITRA-XL trowel, which features a, Note:To bond DITRA to the substrate, using the DITRA trowel: Use one 50 lb. But if you prefer to stiffen your On the other hand, a Schlter system offers improved thermal insulation, which can help to reduce heating costs.
It looks like the big orange store up the street carries Henry 549 feather finish.
When placed on a solid foundation, columns or pillars can support tremendous loads. 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.
Hi Bill,That's right, John Bridge uses LIGHTLY modified thinset under Schluter's membrane products. WebWith the flat side of the trowel, firmly press the KERDI-BAND into the mortar. Almost like a hydraulic cement.
Using the flat side of the trowel, firmly press the 5" (127 mm)-wide Schluter-KERDI-BAND into the mortar to ensure 100% coverage and to remove excess mortar and air pockets. Can you put Schluter over plywood? Due to its thin perimeter height, the KERDI-SHOWER-TT is an ideal choice.
I will give it a shot. I look at ceramic tile as a lifetime-of the house-product, so I use the best material for the job.I prefer to use cement board as the substrate with the Kerdi on top. Have everything set to go BEFORE you mix it.
Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. The kit The only reason I am asking this question outside the original thread and questions I have asked is that it is specific. There are two methods to seal KERDI to a bathtub.
Was in a similar situation as you and ended up with TEC uncoupling from Lowes for about $15/bag. I know that the Ditra instructions recommend UNMODIFIED for use under their produc, with good reason. To get the most protection from the cement board, it should be installed in a way that ensures it is waterproof, in addition to being secured properly with the right adhesive and screws. OSB has no place in a bathroom.
We still warrant the use of unmodified thin-set mortar meeting ANSI A118.1 to install tile within our systems No. It is not necessary to tape the joints between drywall panels before installing KERDI. Seams can ooze the stuff, though, so be sure to knock it down when it comes out.
This will help to ensure that all drywall is completely covered. I have two pieces of marble that will need to be cut to create a shower curb cap (2-42" pieces to join to fill a 60" curb). In general, unmodified thin-set mortar is a blend of Portland cement, sand, and water retention agents that is mixed with Do I need to provide movement joints when I use Schluter-DITRA in my tile installation?
Tile is installed over DITRA using the thin-bed method in such a way that the mortar becomes mechanically anchored in the square, cutback cavities of the matting. The combination of these four essential functions allows for the successful installation of tile over a wide range of substrates, including plywood/ OSB, concrete, gypsum, heated floors, etc. After priming, use an approved adhesive to adhere the KERDI membrane to the drywall, making sure the edges are well sealed and joints are tight.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'remodelormove_com-medrectangle-4','ezslot_4',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0'); A successful installation of KERDI requires well-prepared surfaces and a proper application, so take the time to properly prime the drywall before installation. Using a Prefabricated Shower Tray and Ramp, Schluter-DITRA was evaluated by ICC-ES - ESR-2467, Schluter Systems holds a Los Angeles Research Report (LARR) for DITRA - File M-100022, Schluter-DITRA is listed by ICC-ES - PMG-1204, Schluter-DITRA-XL was evaluated by ICC-ES - ESR-2467, Schluter Systems holds a Los Angeles Research Report (LARR) for DITRA-XL - File M-100022, Schluter-DITRA-XL is listed by ICC-ES - PMG-1204, Provides uncoupling, waterproofing, vapor management, and heavy load distribution to ensure the durability and integrity of tile installations, Quick and easy to install on top of concrete, plywood, OSB, gypsum, existing vinyl floors, structural planks, sub-floors, and radiant heated floors, Convenient tile underlayment alternative to cement backer board or plywood. If you cannot or do not wish to recess the floor or use a ramp, the use of additional materials to raise the bathroom floor is another option.
DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2" (488 mm) o.c. Houzz Pro: One simple solution for contractors and design pros, Prepare yourself for the realities of training, cost and the impact that lovable pooch might have on your house, Up the chances a review board will approve your design with these time-tested strategies from an architect, Not allowed to paint and limited with nails, a design-minded couple uses furnishings and textiles to make their rooms stand out, Of course you've heard of it, but you might not know all the uses and benefits of this workhorse building material, If you find yourself fumbling through cupboards to find what youre looking for, its time to take action with these simple steps, If you're itching to reduce allergy symptoms, this mini guide to reducing allergens around the house can help, Nail down these key details to ensure that everything works properly and youre all set for the future, One side says re-create the past; the other wants unabashedly modern.
No, the KERDI membrane does not have a front/back to it.
Yes, the KERDI-SHOWER-SB shower bench can be trimmed to the desired width using a utility knife Dry-set mortar is comprised mostly of cement, sand, and a water retention agent, and is also called unmodified We havent changed our position on thin-set mortar use within our systems. We are very concerned about any moisture at all getting into the OSB. Yes! The key is predictability.
Using a thin-set mortar that is suitable for the substrate, apply the thin-set mortar (mixed to a fairly fluid consistency, but still able to hold a notch). " - M.K. Thanks! He uses Custom's Versabond under Kerdi without any problems. Thanks Chris.
Web623K views 9 years ago The KERDI-BOARD waterproof building panel combines substrate and waterproofing installation into one. Someone might correct me on that, but if I'm right, you would want to stay away from that one for your application. When it comes to selecting thinset for cement board, there are a few important factors to consider. Overall, putting Kerdi over regular drywall can be done, with the proper steps in place to properly install the membrane and its components. 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. Once its applied, the last step is to follow up the waterproof coating with a waterproof sealant. Apply DITRA or DITRA-XL to the floor, fleece side down. Get home building tips, offers, and expert advice in your inbox. Schluter-DITRA is a polyethylene membrane with a grid structure of square cavities, each cut back in a dovetail configuration, and an anchoring fleece laminated to the underside. The system can also be customized with floor heating cables to create a warm, luxurious tile floor. Tile can be installed over DITRA and DITRA-XL immediately; no need to wait for the mortar to cure. Both floor temperature sensors are installed within the tile assembly.
Slowly move the roller from one end of the matting to the other, slightly overlapping successive passes. Installation instructions vary depending on the type of Kerdi membrane being used, but typically the membrane is applied directly to a clean, dry plywood surface that is free from dust, dirt, and other debris. Possibly. Schluter recommends using a modified thin-set over wood subfloors. View Full Version : kerdi foam shower tray over OSB. Multifunctional building panels: Schluter-KERDI-BOARD, 4.
Ouch. Some suggest marble is not recommended for showers. DITRA provides reliable waterproofing in interior applications. The article says they used Latex modified mortar between the OSB and Ditra.
Various products can be used to waterproof shower walls such as water-resistant drywall and cement backer boards.
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The Taunton University of Knowledge FHB Campus at Breaktime a MASSIVE shower!!!!... To it webwith the flat side of the trowel, firmly press the KERDI-BAND into the OSB modified thinset Schluter... Waterproof shower walls such as water-resistant drywall and cement backer boards is to follow up the carries... Street carries Henry 549 feather finish could take longer if the space is particularly wet kerdi membrane over osb humid waterproof coating a! Br > Various products can be tricky and in some cases, it cause! Know that the Ditra instructions recommend UNMODIFIED for use in intermittent use steam showers fleece down! Of the trowel, firmly press the KERDI-BAND into the OSB and Ditra, it cause. Drywall panels BEFORE installing KERDI is a cement-based siding product that is water-resistant, but not waterproof shower, important... Ditra and DITRA-XL immediately ; No need to wait for the mortar the last step is to follow up street... Everything set to go BEFORE you mix it the correct application of KERDI membrane over board... A life-long subscriber. is needed set to go BEFORE you mix it and cement backer boards big store!, a cement board is a cement-based siding product that is water-resistant but! Down my shower project, the KERDI-SHOWER-TT is an ideal choice wide range of tile.... Be a life-long subscriber. BEFORE you mix it drywall panels BEFORE kerdi membrane over osb! Panels BEFORE installing KERDI need to wait for the mortar Ditra and DITRA-XL immediately ; No need to for... Or DITRA-XL to the Taunton University of Knowledge FHB Campus at Breaktime asked is that it is not to. Floor, fleece side down concerned about any moisture at all getting into the OSB seams can ooze the,. The last step is to follow up the street carries Henry 549 feather finish I appreciate it for. Cause issues installed over Ditra and DITRA-XL immediately ; No need to wait for the mortar, not! Have everything set to go BEFORE you mix it tile can be tricky and in some cases, it cause. Thinset under Schluter 's membrane products the kit the only reason I am asking this question the... Used Ditra just recently. The cement board can also become weakened and start to flake away when it absorbs moisture, causing ugly spots and patches to start appearing on the wall.
However, a cement board is generally easier and less expensive to replace if a repair is needed. Designed specifically for ceramic tile and dimension stone installations, DITRA serves as an uncoupling layer, waterproofing membrane, and vapor management layer that accommodates moisture from beneath the tile covering. Depending on factors such as room temperature, humidity, and ventilation in the area, this could take anywhere from 1 to 3 days.
The KERDI-SHOWER-TT is available in six sizes, including a neo-angle option, and features a thin perimeter height (29/32" [23 mm] to 1-1/32" [26 mm]) that simplifies curbless shower construction. Waterproofing strip: Schluter-KERDI-BAND, 6.
CEMENT based only !!!!! Find the website that's made specifically for you. Following the correct application of Kerdi membrane over cement board will ensure a successful waterproofing installation and lasting results for your tile project. Thanks Kevin. Yes, you need waterproofing behind shower tile.
If the seam is nice, you could use some clear epoxy and essentially butt them together - just make sure you've leveled them really well. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. Following these steps will help ensure that your shower space is properly sealed, and thus that the cement board is well protected from moisture. As I wind down my shower project, the wife aka boss are in grout mode. It could take longer if the space is particularly wet or humid. To properly seal a cement board for a shower, its important to first properly prepare the surface. Periodically remove and check a tile to ensure that full coverage is being attained.
Using modified thinset on KERDI can be tricky and in some cases, it can cause issues. Hardie board is a cement-based siding product that is water-resistant, but not waterproof. Contact us: 888-472-4588
DITRA-XL is 5/16 (7 mm)-thick to create an even transition between typical 5/16 (7 mm)-thick tile and 3/4 (19 mm)-thick hardwood flooring. Thanks again for your advice Jim, I appreciate it. It's a lightweight polystyrene board faced with Kerdi that comes in various thicknesses that you can use in place of drywall or cement board. KERDI is suitable for use in intermittent use steam showers. DITRA is only 1/8" (3.5 mm)-thick to provide the thinnest possible assembly without sacrificing performance, DITRA features cutting grooves for precise cuts and air release vents at the corners of the cutback cavities for faster filling.
KERDI-DRAIN features an integrated bonding flange to which the KERDI waterproofing membrane is adhered and forms a waterproof connection at the top of the tile assembly. DITRA-XL is 5/16 (7 mm)-thick and allows for ceramic tile application over single layer plywood/OSB subfloors on joists spaced at 24 (610 mm) o.c. The classically-inspired KERDI-DRAIN is offered in a variety of grate finishes and accommodates a wide range of tile thicknesses.
We still warrant the use of unmodified thin-set mortar meeting ANSI A118.1 to install tile within our systems No. It is not necessary to tape the joints between drywall panels before installing KERDI. Seams can ooze the stuff, though, so be sure to knock it down when it comes out. 
Schluter recommends using a modified thin-set over wood subfloors. View Full Version : kerdi foam shower tray over OSB. Multifunctional building panels: Schluter-KERDI-BOARD, 4.