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If full coverage is not achieved, remove and reapply, making sure to verify proper mortar consistency and application.Ĥ. Note: Coverage may vary with mortar consistency, angle at which the trowel is held, substrate flatness, etc. Proper installation results in full contact between the fleece webbing and the thin-set mortar. Lift up a corner of the matting to check coverage. Slowly move the roller from one end of the matting to the other, slightly overlapping successive passes.ģ. *When using the DITRA-ROLLER, place a weight (e.g., bags of mortar/grout or box of tile) not to exceed 75 lbs on the DITRA-ROLLER shelf. Note: It may be helpful to back roll the end of the matting before installation, or place boxes of tile on top of the matting after installation, to avoid curling. If the mortar skins over prior to matting installation, remove and reapply. 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. Apply DITRA-HEAT to the floor, fleece side down.

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) using a 1/4' x 1/4' (6 mm x 6 mm) square-notched trowel.Ģ. Minimum tile format is 2' x 2' (5 cm x 5 cm).ġ. Note: Type, thickness, and format of the tile or stone surface covering must be suitable for the intended application. For complete installation guidelines and warranty criteria, please refer to the downloadable Schluter®-DITRA-HEAT Installation Handbook or to the installation video online. Bond inhibiting surfaces must be removed prior to the application of DITRA-HEAT. See the Alternate Floor Coverings over DITRA-HEAT Technical Bulletin for more information, including requirements and limitations.Īll substrates must be clean, even, and load bearing. Since DITRA-HEAT is virtually incompressible within the tile assembly, the advantages of uncoupling are achieved without sacrificing point load distribution capabilities.Īlternate Floor Coverings over DITRA-HEATĭITRA-HEAT is suitable for applications with engineered wood, vinyl, wood plastic composite (WPC), luxury vinyl tiles (LVT), luxury vinyl planks (LVP), stone plastic composite (SPC) tiles and planks, and laminate flooring. Loads are transferred from the tile covering through these column-like mortar structures to the substrate. Column-like mortar structures are formed in and between the studs on the surface of the matting. The same physical principle applies to DITRA-HEAT installations. When placed on a solid foundation, columns or pillars can support tremendous loads. Thus, DITRA-HEAT effectively manages moisture beneath the tile covering.

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The free space on the underside of DITRA-HEAT provides a route for excess moisture and vapor to escape from the substrate that could otherwise cause damage to the tile covering above. Its polypropylene composition protects the substrate from moisture penetration, which is particularly important in today’s building environment where most substrates are moisture-sensitive. DITRA-HEAT provides uncoupling through its geometric configuration, 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.ĭITRA-HEAT provides reliable waterproofing. Tile has been successfully installed for thousands of years by incorporating an uncoupling layer, or forgiving shear interface, within the tile assembly. Self-leveling compounds are approved for use only when installing alternative floor coverings over the DITRA-HEAT membranes. Self-leveling compounds are not required to encapsulate the cables for ceramic, porcelain, and stone tiles, significantly reducing installation time and effort compared to uncoupling membranes over other electric floor warming systems. Cables can be placed wherever heat is desired, without creating height differences in the floor. Schluter®-DITRA-HEAT integrates customizable, comfortable electric floor warming with the functions associated with DITRA: uncoupling, waterproofing, vapor management and support to ensure a long lasting installation.ĭITRA-HEAT-DUO combines the flexibility of loose heating cables with the ease of installation of mat systems. Using a Prefabricated Shower Tray and RampĬontinuing Education for Architects & Designers.Profiles for Resilient Surface Coverings.

Electric radiant floor heating cable