Schluter®-BEKOTEC-DRAIN

The Schluter®-BEKOTEC-DRAIN is a variant of BEKOTEC-F with evenly spaced openings and interconnected drainage channels for use in exterior tile assemblies placed over a sloped structure with a roofing membrane and TROBA-PLUS drainage membrane

  • Produce permanent flooring assemblies that are free from internal stresses by confining the shrinkage and curing stresses to smaller modules
  • Controls deformations such as curling and continuous cracks that are common in traditional screeds
  • Designed to be used for ceramic tile, natural stone, or other surface coverings in exterior applications
  • Studded screed panel measure 29/32" (23 mm)-thick and is made of polystyrene foil with evenly spaced openings and interconnected drainage channels
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The Schluter®-BEKOTEC-DRAIN is a variant of BEKOTEC-F with evenly spaced openings and interconnected drainage channels for use in exterior tile assemblies placed over a sloped structure with a roofing membrane and TROBA-PLUS drainage membrane

  • Produce permanent flooring assemblies that are free from internal stresses by confining the shrinkage and curing stresses to smaller modules
  • Controls deformations such as curling and continuous cracks that are common in traditional screeds
  • Designed to be used for ceramic tile, natural stone, or other surface coverings in exterior applications
  • Studded screed panel measure 29/32" (23 mm)-thick and is made of polystyrene foil with evenly spaced openings and interconnected drainage channels
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Schluter<sup class='regsign'>®</sup>-BEKOTEC-DRAIN

Schluter®-BEKOTEC-DRAIN

29/32" (23 mm)-thick modular screed system with evenly-spaced openings and drainage channels
Schluter®-BEKOTEC-DRAIN
Schluter®-BEKOTEC-DRAIN
Schluter®-BEKOTEC-DRAIN
Schluter®-BEKOTEC-DRAIN

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Schluter®-BEKOTEC-DRAIN is a variant of BEKOTEC-F with evenly spaced openings and interconnected drainage channels for use in exterior tile assemblies. BEKOTEC-DRAIN is placed over a sloped structure with a roofing membrane and Schluter®-TROBA-PLUS drainage membrane.

Ceramic and stone tile is installed over the BEKOTEC-DRAIN modular screed using the DITRA uncoupling membrane or Schluter®-DITRA-DRAIN thin-bed drainage membrane. Please refer to the Schluter®-DITRA Installation Handbook (detail D-EXT-OS) or Schluter®-DITRA-DRAIN Technical Data Sheet for additional information.

1. BEKOTEC-DRAIN is installed over a sloped structure (1.5% - 2%), waterproofing membrane, and TROBA-PLUS drainage membrane.

2. At the perimeter, where the covering meets walls or restraining surfaces, place the 5/16" (8 mm)-thick edge strip, Schluter®-BEKOTEC-BRS or -BRSK. The edge strips feature an integrated foil that must be carried over the separating layer covering the insulation. If a poured screed is to be applied, the Schluter®- BEKOTEC-BRS/KF or -BRS/KSF edge strip with adhesive leg is used. The -BRS/KF edge strip is attached to the wall using the adhesive strip on its backside, while the -BRS/KSF edge strip is self-supporting. The screed panel is placed onto the self-adhesive foam leg of either the -BRS/KF or -BRS/KSF to prevent back-flow of the screed under the panel.

3. BEKOTEC-DRAIN panels are connected by overlapping a row of studs and clicking the panels together.

4. To produce radiant-heated floors, suitable heating tubes, 3/8" - 5/8" (10 - 16 mm) O.D., can be wedged between the cut-back studs. The cut-back design of the studs ensures that the tubes are securely held without clamps in straight runs. Clamps may be necessary where the tubes are turned into a relatively tight radius. The distance between tubes is determined based on desired heat output.

5. Fill the modular screed panel with a mortar screed or poured gypsum screed, ensuring a minimum screed coverage of 5/16" (8 mm) above the studs. If leveling is required, the mortar thickness can be increased up to 1" (25 mm) above the studs. The screed can be separated at the doorsill using the Schluter®-BEKOTEC-DFP movement joint profile to prevent sound bridges.

Note: BEKOTEC-DRAIN is not intended for use with poured screeds.

6. As soon as the mortar screed can be walked upon, the DITRA, DITRA-XL or DITRA-DRAIN uncoupling membrane can be applied. With respect to poured gypsum screeds, maximum residual moisture of 2.0 percent by volume shall be observed. Ceramic tile or stone coverings can be installed on top of DITRA, DITRA-XL or DITRA-DRAIN using the thin-set method.

7. The surface covering on top of DITRA, DITRA-XL or DITRA-DRAIN is divided into fields with movement joints according to the Schluter®-DITRA Installation Handbook, Schluter®-DITRA-DRAIN data sheet, and industry standard guidelines. The family of Schluter®-DILEX prefabricated movement joint profiles includes a variety of shapes, sizes, and materials to suit different applications. When installing a DILEX perimeter or cove-shaped profile at the floor/wall transition, the protruding sections of the edge strip should first be trimmed.

8. When using the modular screed assembly for radiant heating, the completed floor covering can be heated after 7 days. Beginning at 77 °F (25 °C), start-up temperature shall be increased daily by 9 °F (5 °C) maximum, until the desired working temperature is reached.

9. Covering materials that are not subject to cracking (for example, parquet, carpet, or resilient flooring) can be placed directly on the modular screed; no uncoupling is necessary. In addition to the specific installation instructions, the allowable residual moisture for the selected covering must be observed.

Note: Alternate covering materials are not recommended in exterior applications.

Note: When using resilient floor covering materials such as vinyl or carpet, it is recommended to increase the screed thickness over the studs to 5/8" (15 mm) minimum.

BEKOTEC-DRAIN does not rot and requires no special maintenance. Before and during the application of the screed, the studded polystyrene panel must be protected in a suitable manner, (i.e., running boards should be used to protect against mechanical damage).

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