Keeping subfloor air out of cavities - Build 164(2018)
- Keeping subfloor air out of cavities
- Valid from
- Information provider
- BRANZ Limited
- Information type
- BUILD article
When a building has a suspended timber floor, it’s a requirement of E2/AS1 to stop subfloor air from entering the drained cavity.
The Building Code doesn’t say how to do this, but we have an option.