Damper installation system approved for ceilings.
System Number | Building Element | Product | Max Size | FRL | System Detail | Approved Reference |
Ceiling 1 | 60/60/60 RISF Plasterboard ceiling | LVH44 | 500mm x 500mm | 60/60/60 RISF 60 min | Lightweight clad plenum box | BRANZ 4581 |
Ceiling 3 | 60/60/60 RISF Plasterboard ceiling | LVH44C Circular | 150mm diameter | 60/60/60 RISF 60 min | Ceiling installation suitable for in-line fans | BRANZ FP5859 |
FRL: 60/60/60 RISF 60 min
Standard Version: AS1530.4 2014