capabilities. What is the purpose of the 1/2″ margin around the perimeter? Pro-Tip: Precutting and laying out all the DITRA gives it a chance to flatten out. $264.01. It’s been around over 20 years. Unmodified thinset is a mixture of Portland cement which actually requires moisture to form a strong bond and achieves final set usually within 24 hours. After the DITRA was laid out, the guys mixed more Ditra-Set, and again, they let the mortar slake for about 15 minutes. It sounds like you used modified pre-mix thinset under the tyle. The tile assembly needs to be able to handle that which is why it’s important to incorporate an uncoupling membrane that allows for in-plane movement. Schluter Ditra and Redgard Uncoupling Mat are two popular brands of tiling membranes that lessen the chance of concrete events becoming tile events. Pro-Tip: Expect to use one 50 lb. DITRA and DITRA-XL provide uncoupling to prevent cracked tile and grout. Next. I think what I like about it the most is the innovation in it. I just put a ditra underlayment on my daughter’s concrete basement floor. To bond the tile to the DITRA, using a 1/4" x 3/8" (6 mm x 10 mm) square- or U-notched trowel: Use one 50 lb (22.68 kg) bag of mortar per 40 - 50 ft2 (3.7 - 4.6 m2). You normally don’t want to do it in stages because the point of those ‘waffles’ is to create a means of locking the tile to the ditra. If so what needs to be done at the transitions? By isolating the tile from the wood floor beneath it eliminates cracking in the tile and grout joints. DITRA is composed of a polyethylene (plastic) grid of square cavities, each with angled, dovetail cut-backs, and an anchoring mesh laminated to the backside. Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (145) 4.5 out of 5 stars 65. x 1/8 in. Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (30) 4.5 out of 5 stars 37. I am confused as to how you’re allowed to walk on DITRA that hasn’t set up yet. Is it ok to use detra when transitioning from plywood to slab? Today’s construction methods, which include the use of lightweight... We don't recommend or warranty DITRA or DITRA-XL installation over existing hardwood flooring as it is very unstable and difficult to bond... Uncoupling membrane specifically designed for DITRA-HEAT-E-HK electric floor heating cables, Waterproofing strip for sealing abutting joints of Schluter® membranes and building panels, Specialized Rapid-setting Modified Thin-set Mortar, Lightweight roller used to embed DITRA/DITRA-XL in the bond coat during membrane installation. Thanks for visiting! That said, the most important part of the whole thing is the ditra itself, specifically it’s uncoupling from subfloor, substrate, etc. Note: Schluter and Bostik generously donated the DITRA and the Ditra-Set Mortar for this project, enabling the development of this Pro-Follow guide. They’ve used DITRA extensively on many jobs and highly recommend it, especially over cracked concrete. However, Jim and Rich opted to fill the cavities, let it dry, and begin laying tile another day. being transferred to the tile. Jim and Rich advise against spreading too much Ditra-Set at one time to prevent it from drying too quickly and because it’s easier to keep the DITRA lined up. DITRA is a polyethylene tile underlayment manufactured by Schluter Systems … into the thinset and push down with slight pressure to set it firmly into the mortar. DITRA is really cool. $126.57. Learn the reason to use the Schluter Ditra underlayment product for tiled floors. Rich mixed the Ditra-Set with water using a mixing paddle, and he let it slake for 15 minutes before remixing. Note: To bond DITRA to the substrate, using the DITRA trowel: Use one 50 lb. Solidly embed the tiles in the setting material. 4. Sorry, something went wrong. Ditra creates a shear plane between your flooring material and the subfloor below allowing your finished floor to almost float above the sub floor. Your tile then goes on the DITRA. (22.68 kg) bag of mortar per 150 ft. 4. My husband is trying for the first time to install a tile floor. Looks like a lot easier application, but just wondering. Solidly embed the matting into the mortar using a float, screed trowel, or DITRA-ROLLER*, making sure to observe the open time of the bonding mortar. Comb additional Schluter SET, Schluter ALL-SET, Schluter FAST-SET, or unmodified thin-set mortar over the joint using a 1/4" x 3/16" (6 mm x 5 mm) V-notched trowel or the Schluter®-KERDI trowel, which features a 1/8" x 1/8" (3 mm x 3 mm) square-notched design. The short answer is that it’s an underlayment used under tile and stone flooring to "decouple" the ceramic tiles from the subflooring, which may be subject to expansion or deflection which can cause tiles or grout lines to crack. Pro-Tip: Ensure the Ditra-Set is spread evenly to avoid lumps. He is using the Ditra underlayment, and it is being placed over a concrete floor. Schluter DITRA underlayment is an uncoupling membrane that allows the tile floor to move (in-plane) relative to the substrate, eliminating the major causes for cracked and delaminated tile. Schluter Ditra XL & Schluter Ditra feature: Exclusively designed for ceramic and stone tile surfaces; Neutralizes stress between the subfloor and tile surface, eliminating the main cause of cracking Note: Coverage may vary with mortar consistency, angle at which the trowel is held, substrate flatness, etc. That said, according to Schluter-DITRA and Schluter-DITRA-XL: Wood Substrates you can probably get away with keeping the particle board down on the floor. CDN$50.90. However, I would caution anyone regarding the claim that you can lay tile as soon as you lay the Ditra. $160.06. Ditra is an uncoupling membrane designed for ceramic and stone tile installations on floors. Here are tips to DIY your own Schluter system to prep for tile. This system was tested by an independent testing institute in accordance with the standard DIN EN ISO 140-8 (BS EN ISO 140-8). Uncoupling membranes eliminate the leading cause of cracking tile. Ditra Mat underlayment for tile is a tile backer that has some great benefits when installing tile over O.S.B. Install DITRA on a Wood Subfloor (stop Cracked Tiles): Cracked floor tiles stink…REALLY BADThere’s a simple solution: DITRA It goes down on top of wood or concrete subfloors. Ditra is a protective underlayment that manages moisture for all types of sub-floors. The OSB wasn’t the issue I ran into, it was the tile size. One reason was that they couldn’t use the chalk line on the ditra mat. Schluter Kerdi 108 Sq Ft Waterproofing Membrane 4.8 out of 5 stars 232. The thinset is also so thin (and absorbed by the fleece layer) that it isn’t displaced by foot traffic either. This is why we chose the Schluter Ditra XL underlayment system for our porcelain tile installation in our master bathroom renovation. Start to finish Time lapse schluter bathroom kerdi-line linear drain Ditra heat large format tile… ft. 3 ft. 3 in. Schluter Ditra is a polyethylene membrane with square dovetailed cavities and an anchoring fleece laminated to the underside. I laid ditra into a layer of thin set then a layer of thin set on top of the ditra and back buttered my tiles as I laid them.. then grouted,. x 16 ft. 5 in. Still sealed in its packaging. With the increasing competition in the market, the companies have to come up with a sustainable product which can make its place in the user’s workplace or residence. (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. 3/8" ply. Schluter Ditra Membrane Tile underlayment 10 to 323 sq ft Rolls (30) 4.5 out of 5 stars 37. Schluter Kerdi 108 Sq Ft Waterproofing Membrane 4.8 out of 5 stars 232. The Ditra is attached to your flooring substrate by embedding the anchoring fleece in thinset (modified or unmodified depending on the substrate to which you are installing it). They could have just used hair spray over the chalk line and it would stay put. Does Schluter recommend filling of voids before laying tile? QR Code Link to This Post. The DITRA Matting has many functions that make it an ideal product for tile installations: Through uncoupling the floor covering from the substrate, DITRA matting can stop stress cracks being transferred from the substrate to the surface covering. CDN$207.50. Its polyethylene composition protects the substrate from moisture penetration, which is particularly important in today’s building environment where most substrates are moisture-sensitive. Can i put 1/8 thinset to install the ditra heat to the plywood and then 1/8 between the tile and ditra? *When using the DITRA-ROLLER, place a weight (e.g., bag(s) of mortar/grout or box of tile) not to exceed 75 lbs on the DITRA-ROLLER shelf. Proper installation results in full contact between the fleece webbing and the thin-set mortar. It has a grid structure of square cutback cavities with an anchoring fleece laminated to the underside. I have walked the floor a few times and you can see why the product works. Product works as described for the most part. Using a Prefabricated Shower Tray and Ramp, Continuing Education for Architects & Designers, 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, cs-tile-uncoupled-installation-methods.pdf, tileletter-tiling-entryways-foyers-kerdi.pdf, Provides uncoupling, waterproofing, vapor management, and heavy load distribution to ensure the durability and integrity of tile installations, DITRA has a nominal 1/8" (3 mm)-thickness which minimizes tile assembly thickness and reduces transitions to lower surface coverings, 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. In fact, you don’t even have to top coat before you lay tile – you can put the thinset on in one step. This is why we chose the Schluter Ditra XL underlayment system for our porcelain tile installation in our master bathroom renovation. Schluter - DITRA and DITRA-XL alternatives Prova Flex and Prova Heat are specifically developed for ceramic and stone tile installations Prova Flex and Prova Heat offer uncoupling to avoid split tile and grout. Ditra Tile Underlayment New and noteworthy staff picks from the 2007 International Builders' Show Fine Homebuilding Publisher Tim Schreiner liked the looks of a new tile underlayment from Schluter Systems: “Their new product called Ditra seems to make floor tile setting a lot more jerk proof (editor’s note: we hope Schreiner is referring to creaky floors). Wood Substrate: OSB, plywood and framing members should be covered with a material such as DITRA underlayment because wood is very susceptible to changes and to moisture. or plywood sub floors. They worked carefully to completely fill all the space and avoid leaving ridges on the surface. Ditto. I feel it weakens the system. x 98 ft. 5 in. 1/2" would be much better, the more the better 5/8" is great. Description. Uncoupling Membrane 1/8 inch Thick, 3.3 ft x 98.5 ft / 323 Square Feet, Uncoupling Membrane for Under Tile, Tile Underlayment Mat, Waterproofing, Anti-Fracture and Crack Isolation Membrane :thumbsup: A 3/4" ply subfloor should be fine for porcelain + Ditra or any CBU, but again the more the better. The guys also cut around the support posts, door jambs and threshold. However, over concrete Schluter recommends an unmodified thinset mortar like the Ditra-Set shown here. It has a grid structure of square cutback cavities with an anchoring fleece laminated to the underside. Here, the best floor underlayments for your needs: Does this get worked out in the “fill the voids” process whereby you basically re-float the surface and still have the ditra layer you’re after? For instance, to install DITRA over plywood, a modified thinset mortar should be used. CDN$50.90. CDN$207.50. Schluter-Ditra is an uncoupling membrane system designed specifically for tile and stone installations. or as a leveling in between, for marble, and Red Guard between marble and float, to ensure transition point of a repair not to harm the warm wire,?? Schluter advises that at this point it’s perfectly acceptable to begin laying tile with an unmodified thinset. Slowly move the roller from one end of the matting to the other, slightly overlapping successive passes. Ditra Schluter Tile Underlayment - $400 (Traverse City) < image 1 of 4 > condition: new. DITRA provides uncoupling through its open rib structure, which allows for in-plane movement that effectively neutralizes the differential movement stresses between the substrate and the tile, thus eliminating the major cause of cracking and delaminating of the tiled surface. If full coverage is not achieved, remove and reapply, making sure to verify proper mortar consistency and application. Here’s a look at half the basement covered in DITRA. This product is one of them. They also scraped away excess mortar that oozed underneath the drywall. DITRA-XL allows for ceramic tile application over single layer plywood/OSB subfloors on joists spaced at 24” (610 mm) o.c. The DITRA Matting has many functions that make it an ideal product for tile installations: Through uncoupling the floor covering from the substrate, DITRA matting can stop stress cracks being transferred from the substrate to the surface covering. Adjacent pieces of DITRA were butted against each other, and Jim and Rich were careful to avoid overlap (thereby creating a height difference).