Schlüter-DITRA 25 - Schlüter-Systems

Schlüter®-DITRA 25

  1. The substrate must be free of bond inhibiting components, be load bearing and even. Any unevenness in the substrate must be levelled prior to the application of Schlüter-DITRA 25.
  2. The type of bonding adhesive used to apply Schlüter-DITRA 25 depends on the type of substrate. The adhesive must bond to the substrate and mechanically anchor the fleece on the underside of the Schlüter-DITRA 25 matting. Verify the compatibility of all materials prior to installation.
  3. Apply the bonding adhesive to the substrate using a 3 x 3 mm or 4 x 4 mm notched trowel.
  4. Individual courses of Schlüter-DITRA 25 are cut to size. Solidly embed the anchoring fleece on the underside of Schlüter-DITRA 25 in the adhesive so that its entire surface is bonded and immediately work it into the adhesive using a float or screed trowel. Please observe the open time of the bonding adhesive. When initially positioning Schlüter-DITRA 25, it is advisable to align and position the matting while slightly stretching it.
    Application is made easier with a second person. The side edges and ends of individual courses are cut straight and abutted.
    If Schlüter-DITRA 25 is only installed as an uncoupling membrane, side edges and ends of individual courses do not need to be sealed with Schlüter-KERDI-KEBA. Please refer to the instructions for waterproofing if the membrane is to serve as a waterproofing layer.
  5. Once installed, the matting must be protected against heavy mechanical loads to avoid loosening it from the substrate or other damage. It is advisable to place running boards (especially in the centre of material transports) to protect Schlüter-DITRA 25. Other protective measures, such as shielding of direct sunlight or protection from precipitation in exterior applications, may also be required. Carefully remove any moisture that may have gathered in the indentations of the studs before applying the thin-bed tile adhesive.
  6. Immediately after the Schlüter-DITRA 25 matting is installed, the tiles can be set using the thin-bed method and using a bonding tile adhesive that matches the requirements of the covering. It is recommeded to fill the square cavities with the smooth side of the trowel and to establish a regular pattern in the bonding adhesive with the notched side of the trowel in one application. The tiles are fully embedded in the adhesive. Fully embedded installation of tiles in accordance with the applicable professional standards is particularly important for coverings with high traffic loads and in outdoor areas. The notches of the trowel must match the format and thickness of the tiles, so as to achieve solid bedding. Please observe the open time of the adhesive. The adhesive bed over Schlüter-DITRA 25 should not exceed 10 mm.
  7. For movement joints as control joints, expansion joints, or connection joints please follow the instructions given in this product data sheet as well as the applicable industry regulations.

How you got here
Meadows Shopping Centre
Holmes Place
Heathrow Airport - Termial 3
Odyssey Project