Vernon, BC · Custom single-family
Step 4 rescue at final stage
Builder failed final blower-door at 4.1 ACH50 with occupancy a week away. Late-stage AeroBarrier with finish-grade masking dropped the envelope to 0.92 — Step 4 cleared.
- Builder
- Confidential
- Target
- ≤ 1.5 ACH50 (Step 4)
- Before
- 4.1 ACH50
- Achieved
- 0.92 ACH50