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A.2 Structural assemblies with bonded drainage over bonded waterproofing assemblies

The sloped support structure is protected against the permeation of water with a Schlüter®-KERDI bonded waterproofing assembly, which is produced with a dry set mortar in the thin-bed method. The passive capillary bonded drainage membrane Schlüter®-DITRA-DRAIN is installed in the thin-bed mortar between the waterproofing layer and the tile covering. This results in the broad ventilation of the top covering, which in turn promotes the quick and even drying/curing of the thin-bed mortar. The uncoupling function of Schlüter®-DITRADRAIN neutralisies any stresses occurring in the substrate.

A.2 Structural assemblies with bonded drainage over bonded waterproofing assemblies

  1. Cantilevered concrete slab.

  2. Sloped screed

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

  3. Schlüter®-KERDI

    Polyethylene waterproofing membrane installed in thin-bed mortar. Joints are sealed with the sealing adhesive Schlüter®-KERDI-COLL.

  4. Schlüter®-DITRA-DRAIN

    Polyethylene drainage mat installed using the thin-bed method, for bonded drainage, ventilation and uncoupling. It is important to ensure a drainage channel.

  5. Ceramic/stone tiles or natural stone pavers

    Installed (including large format) with a waterproof and weather resistant dry set mortar.

Balcony assembly: Tile installation with drainage, waterproofing, and uncoupling




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

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