Back-buttering is a useful way to help ensure proper coverage, particularly when installing large-format tiles (e.g., 12" x 12" (305 mm x 305 mm) and larger). (22.68 kg) bag of mortar per 100 ft2 (9.3 m2). Uncoupling membranes eliminate the leading cause of cracking tile. Is it ok to use detra when transitioning from plywood to slab? DITRA Matting is a polyethylene membrane with an anchoring fleece laminated to its underside. Here’s an overview of the locations where you can take advantage of the performance DITRA offers. Schlüter DITRA Matting is one of the most popular types of under-tile decoupling systems in the UK and in this blog post we will take a look at some of the benefits of using DITRA Matting.. What is DITRA Matting? DITRA can be used as a waterproofing membrane for vapor and moisture management, and to support / distribute heavy loads. Schluter’s DITRA Uncoupling Membranes are the easiest and most effective way to prevent the cracking and delaminating of tile floors while also providing waterproofing and vapor management to keep the substrate from retaining moisture that could damage the tile flooring. the space is left for expansion and contraction. At the joints, fill the cut-back cavities with Schluter SET, Schluter ALL-SET, Schluter FAST-SET, or unmodified thin-set mortar, approximately 8" (203 mm) wide, centered over the joint. Column-like mortar structures are formed in the cutback cavities of the matting. Here, the best floor underlayments for your needs: The Schluter-Ditra Universal Underlayment is the better option. Vapor management There was an alternative product mentioned in the forum thread called "Protegga" which looks to be a slightly less expensive copy of the Ditra (you can read John Bridge’s comments about Ditra knockoffs on his tile forum).. Then what I have left is 1/2 inch to match the height in the hallway. Uncoupling Tile has been successfully installed for thousands of years by incorporating an uncoupling layer, or forgiving shear interface, within the tile assembly. The guys got started by sweeping the floor with foxtail brushes to ensure a clean surface. If the mortar skins over prior to matting installation, remove and reapply. ya. ugh. Ditra Also Serves As A Waterproofing Layer That Protects Moisture-Sensitive Substrates Such As Plywood/Osb. For instance, to install DITRA over plywood, a modified thinset mortar should be used. Ditra Schluter Tile Underlayment - $400 (Traverse City) < image 1 of 4 > condition: new. Rich mixed the Ditra-Set with water using a mixing paddle, and he let it slake for 15 minutes before remixing. Ditra has a grid structure of cut-back cavities and a special anchoring fleece that is laminated to the underside. DITRA a provide uncoupling to prevent cracked tile and grout. But it’s expensive! 3. 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. 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. It’s been around over 20 years. 4. 2. Thick Uncoupling Membrane Uncoupling and waterproofing underlayment for ceramic, porcelain and stone tiles Schluter 1000408405 :thumbsup: A 3/4" ply subfloor should be fine for porcelain + Ditra or any CBU, but again the more the better. The free space provides an escape route for excess moisture and vapor that could otherwise cause damage to the tile layer above. being transferred to the tile. Meaning, it also acts as a waterproofing agent; and can also support a heavy load. Schluter DITRA HEAT Matting is polyethylene membrane with a cut-back stud structure and an anchoring fleece laminated on the underside. QR Code Link to This Post. The goal was to make full contact between the fleece matting and the mortar. DITRA allows for ceramic tile application over single-layer plywood or OSB subfloors on joists spaced up to 19.2" (488 mm) o.c. Substrate in order for it to length with a utility knife Schluter recommends an unmodified mortar! 19.2 '' ( 488 mm ) o.c provides an escape route for excess moisture and vapor to cracked... Covered in DITRA this project, the more the better 5/8 '',. Schluter®-Ditra Schluter DITRA membrane tile underlayment cause of cracking tile uncoupling membranes eliminate the leading cause cracking! And DITRA the more the better 5/8 '' is great around the support posts, jambs! Keeping about 1/2″ margin required an escape route for excess moisture and vapor that could otherwise cause to... 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