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Terrace assembly B.3: Thin covering assembly over waterproofing layer according to DIN 18531

Assemblies B: Ground-level terraces

DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane

Schlüter-Systems terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems

The waterproofing assembly, designed with a surface slope that meets the requirements of DIN 18531, protects the support structure against the penetration of water.

Schlüter-TROBA-PLUS is installed as a drainage membrane between the waterproofing layer and the load distribution layer (screed) to drain away seepage.

This load distribution layer is installed as a thin layer with the crack-free, non-buckling Schlüter-BEKOTEC-DRAIN system.

The passive capillary bonded drainage and bonded uncoupling Schlüter-DITRA-DRAIN is installed in thin-bed mortar between the screed and the tile covering. This results in broad subaeration of the top covering, which in turn promotes the quick and even drying/curing of the adhesive.

B.3 Thin covering assembly over waterproofing layers according to DIN 18531

Schlüter-Systems section drawing of terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Capillary break layer
  2. Concrete slab
  3. Sloped screed
    An adequate slope (1.5–2%) is required for drainage to ensure that the structure
    is functional
  4. Structural waterproofing acc. to DIN 18531
  5. Schlüter-TROBA-PLUS
    Passive capillary surface drainage for the effective run-off of seepage water and full-surface ventilation
  6. Schlüter-BEKOTEC-DRAIN
    Thin load distribution layer as a system for crack-free and functionally safe, floating screeds (cement screed CT-C25-F4 or pervious mortar)
  7. a) Schlüter-DITRA-DRAIN 4
    Bonded drainage membrane made of polyethylene, installed in thin-bed mortar, with the functions bonded drainage, ventilation and bonded uncoupling.
    b) Schlüter-DITRA-DRAIN 8
    Bonded drainage membrane specially designed for large areas and staircase constructions.
  8. Ceramic tiles or natural stone pavers
    Installation – also large formats – with a dry-setting, water and weather-resistant thin-bed mortar

Edge detail 1

Schlüter-Systems section drawing of edge detail 1 for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of edge detail 1 for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Capillary break layer
  2. Concrete slab
  3. Sloped screed (1.5–2%)
  4. Structural waterproofing acc. to DIN 18531
  5. Schlüter-TROBA-PLUS
  6. Schlüter-BEKOTEC-DRAIN
  7. a) Schlüter-DITRA-DRAIN 4
    b) Schlüter-DITRA-DRAIN 8
  8. Ceramic tiles or natural stone pavers
  9. Schlüter-BARA-RT
    Make sure drainage is possible!

Edge detail 2

Schlüter-Systems section drawing of edge detail 2 for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of edge detail 2 for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Capillary break layer
  2. Concrete slab
  3. Sloped screed (1.5–2%)
  4. Structural waterproofing acc. to DIN 18531
  5. Schlüter-TROBA-PLUS
  6. Schlüter-BEKOTEC-DRAIN
  7. a) Schlüter-DITRA-DRAIN 4
    b) Schlüter-DITRA-DRAIN 8
  8. Ceramic tiles or natural stone pavers
  9. Schlüter-BARA-RW
    Make sure drainage is possible!

Wall connection detail

Schlüter-Systems section drawing of the wall connection detail for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of the wall connection detail for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Concrete slab
  2. Sloped screed (1.5–2%)
  3. Structural waterproofing acc. to DIN 18531
  4. Schlüter-TROBA-PLUS
  5. Schlüter-BEKOTEC-DRAIN
  6. a) Schlüter-DITRA-DRAIN 4
    b) Schlüter-DITRA-DRAIN 8
  7. Ceramic tiles or natural stone pavers
  8. Schlüter-DILEX-EK or DILEX-RF
  9. Schlüter-KERDI

Door transition

Schlüter-Systems section drawing of the door transition for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of the door transition for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Concrete slab
  2. Sloped screed (1.5–2%)
  3. Structural waterproofing acc. to DIN 18531
  4. Schlüter-TROBA-PLUS
  5. Schlüter-BEKOTEC-DRAIN
  6. a) Schlüter-DITRA-DRAIN 4
    b) Schlüter-DITRA-DRAIN 8
  7. Ceramic tiles or natural stone pavers
  8. Schlüter-TROBA-LINE-TL
    (drainage opening slots must be kept clear)
  9. Mortar spot

Floor drain

Schlüter-Systems section drawing of the floor drain for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane © Schlueter-Systems
Section drawing of the floor drain for terrace assembly B.3 with DITRA-DRAIN for bonded drainage and bonded uncoupling over BEKOTEC-DRAIN screed on TROBA-PLUS drainage membrane
  1. Concrete slab
  2. Sloped screed (1.5–2%)
  3. Structural waterproofing acc. to DIN 18531
  4. Schlüter-TROBA-PLUS
  5. Schlüter-BEKOTEC-DRAIN
  6. a) Schlüter-DITRA-DRAIN 4
    b) Schlüter-DITRA-DRAIN 8
  7. Ceramic tiles or natural stone pavers
  8. Schlüter-KERDI-DRAIN-RRE
    Grate and frame set KD R10
    Drainage opening slots must be kept clear!
  9. Schlüter-KERDI-DRAIN-KDBV
    Floor drain set KD BV 50 MSBB

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System solutions for outdoor areas

Sustainable system solutions for exterior floor coverings. Decorative, easy to clean and robust: tiles are the ideal floor covering for balconies and terraces. The well thought out assemblies of Schlüter-Systems create durable tile floors even outdoors. From bonded waterproofing to edge profiles and drainage channels – our system solutions for balconies and terraces are a perfect match. For renovation and new construction projects.
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