Flat roof waterproofing
Polymer-bitumen membranes and single-ply synthetic membranes with protection layer, drainage and finish. Executed per SIA 271 on tapered insulation 1.5–2.0 %.
01 · Systemdaten
- Norm
- SIA 271
- System-Code
- POS. 01
- Substrate
- Tapered insulation on concrete slab
- System
- Polymer-bitumen membrane, 2-ply
- Detail-Sheet
- DET. 02–01 / 12
02 · Layer build-up
The construction, layer by layer.
- POS. 00Substrate / concrete slabSTB. 180
- POS. 01Primer coat0.2 mm
- POS. 02Vapour barrier3 mm
- POS. 03Thermal insulation160 mm
- POS. 04Polymer-bitumen membrane2 × 4 mm
- POS. 05Protection layerWATER6 mm
- POS. 06Drainage layer40 mm
- POS. 07Finish— mm
03 · Related services