Deboflex 3.5 CS/F K180 Special Tanking and DPM Membrane
- Abbreviation
- Appraisal number 1037
- Valid from
- 12/11/2018
- Information provider
- BRANZ Limited
- Information type
- BRANZ Appraisal
- Format
Description
Deboflex 3.5 CS/F K180 Special Tanking and DPM (Damp Proof Membrane) is a pre-applied or torch applied DPM and tanking membrane for basement retaining walls and floors. It is applied under floor slabs and foundations and to the exterior face of basement retaining walls to prevent liquid water or water vapour penetrating to the interior face in spaces where moisture may cause damage.
Deboflex 3.5 CS/F K180 Special Tanking and DPM is previously known as DeboBase SBS 3.5 CS/F K180 Special.
Scope
Deboflex 3.5 CS/F K180 Special Tanking and DPM has been appraised as a DPM for use:
- on buildings subject to non-specific design under floor slabs complying with NZS 3604 and behind concrete masonry basement walls and under floor slabs complying with NZS 4229;
- in buildings subject to specific design with substrates of in-situ or precast concrete complying with NZS 3101 or concrete masonry complying with NZS 4230 nd 4210;
- where subsoil drainage and free draining granular backfill has been placed behind basement walls.
Deboflex 3.5 CS/F K180 Special Tanking and DPM has also been appraised as a pre applied tanking membrane for use:
- on buildings subject to specific design with substrates of in-situ or precast concrete complying with NZS 3101;
- where the membrane is subject to hydrostatic pressure with the pressure not to exceed 2 bar (20 metres head of water)
Deboflex 3.5 CS/F K180 Special Tanking and DPM must be adequately protected against damage during backfilling and in service