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A.1 Structural assemblies with bonded waterproofing

Schlüter®-DITRA 25

Schlüter®-DITRA 25 is a waterproofing mat for use with floor coverings made of tiles and pavers. In addition to waterproofing, Schlüter®-DITRA offers a bonded uncoupling function that neutralises the stresses occurring between the substrate and the tile covering due to temperature fluctuations. Thanks to the vapour pressure equalisation function of Schlüter®-DITRA 25, the residual moisture of the substrate (e.g. in green screeds) is safely managed.

Note: Abutting joints and connections to walls and construction fixtures should be covered with the sealing band Schlüter®- KERDI-KEBA. The sealing adhesive Schlüter®-KERDI-COLL should be used for waterproofing the joints.

A.1 Structural assemblies with bonded waterproofing Schlüter®-DITRA for bonded waterproofing, uncoupling and vapour pressure equalisation

  1. Cantilevered concrete slab.

  2. Sloped screed

    The construction has to be sufficiently sloped (1.5 - 2%) to allow for proper drainage.

  3. Schlüter®-DITRA 25

    Special polyethylene mat, installed using the thin-bed method which provides waterproofing, bonded uncoupling and vapour pressure equalisation. The joints are covered with the sealing band Schlüter®-KERDI-KEBA, using the sealing adhesive Schlüter®- KERDI-COLL.

  4. Ceramic tiles or natural stone pavers

    Installed with a waterproof and weather resistant dry set mortar.

Contact Schlüter-Systems Ltd

Units 3-5 Bardon 22,
Beveridge Lane, Coalville,
Leicestershire, LE67 1TE
Phone: +44 (0) 1530 813396

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