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Balcony assembly A.8: Unbonded installation on a gravel or crushed stone layer
Assemblies A: Unsupported cantilevered balconiesUnbonded installation over TROBA in a gravel or crushed stone layer
In this assembly, the area drainage membrane Schlüter-TROBA serves as a protection and separating layer over the waterproofing assembly and protects it from being punctured by individual gravel pieces.
Additionally, the product prevents the formation of “ice concrete” when water freezes on the waterproofing assembly.
The TROBA surface drainage also allows for the permanently effective drainage of water permeating through the open joints between the self-supporting pavers. Thanks to the special shape of the trapezoid-shaped studs, loads are directly transferred to the waterproof substrate.
A.8 Unbonded installation on a gravel or crushed stone layer
- Cantilevered concrete slab
- Sloped screed
An adequate slope (1.5–2%) is required for drainage to ensure that the structure
is functional - Structural waterproofing acc. to DIN 18531
- Schlüter-TROBA
protection and drainage layer for use over waterproofing layers below crushed stone or gravel layers. TROBA consists of a pressure stable polyethylene sheet with perforated studs for reliable drainage. Make sure drainage is possible! - Gravel or crushed stone layer
- Large format, self-supporting pavers
Concrete pavers, natural stone or ceramic elements
Edge detail 1
- Cantilevered concrete slab
- Sloped screed (1.5–2%)
- Structural waterproofing acc. to DIN 18531
- Schlüter-TROBA
- a) Gravel or crushed stone layer
b) Gravel or crushed stone layer contained in edge area - Large format, self-supporting pavers
- Schlüter-BARA-RT
Make sure drainage is possible - Schlüter-BARA-RTK
- Schlüter-BARIN
Edge detail 2
- Cantilevered concrete slab
- Sloped screed (1.5–2%)
- Structural waterproofing acc. to DIN 18531
- Schlüter-TROBA
- a) Gravel or crushed stone layer
b) Gravel or crushed stone layer contained in edge area - Large format, self-supporting pavers
- Schlüter-BARA-RKLT
Keep drainage opening slots clear - Schlüter-BARIN
Edge detail 3
- Cantilevered concrete slab
- Sloped screed (1.5–2%)
- Structural waterproofing acc. to DIN 18531
- Schlüter-TROBA
- a) Gravel or crushed stone layer
b) Gravel or crushed stone layer contained in edge area - Large format, self-supporting pavers
- Schlüter-BARA-RWL
Keep drainage opening slots clear - Schlüter-BARA-RTK
- Schlüter-BARIN
Wall connection detail
Door transition
- Cantilevered concrete slab
- Sloped screed (1.5–2%)
- Structural waterproofing acc. to DIN 18531
- Schlüter-TROBA
- Gravel or crushed stone layer
- Large format, self-supporting pavers
- Mortar spot
- Schlüter-TROBA-LINE-TL
- Schlüter-TROBA-LINE-TLK-E
gravel retaining angle
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