Roof Ventilation - Fact Sheet 3 (FS3) - Air permeability of common New Zealand ceilings and ceiling penetrations
- Roof Ventilation - Fact Sheet 3 (FS3) - Air permeability of common NZ ceilings and ceiling penetrations
- Valid from
- Information provider
- BRANZ Limited
- Information type
- Fact sheet
BRANZ has tested the air permeability of a range of common ceiling types and fixtures. The findings can help address the problem of moisture being transported into airtight roof spaces.