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Air sealing
Sealing the holes in your home's envelope does more for comfort than adding insulation on top of leaks.
Construction IQ™
- ImportanceImportance: 5 of 5
- Consumer difficultyConsumer difficulty: 4 of 5
- Cost impactCost impact: 3 of 5
- Comfort impactComfort impact: 5 of 5
- Inspection priorityInspection priority: 5 of 5
Air leakage carries heat and humidity through every unsealed penetration: top plates, rim joists, wiring holes, duct boots, and recessed lights.
Sealing happens once, while walls are open. After drywall it becomes a remodel, so the insulation milestone is the decision point.
Connected to
Journey stages
Timeline milestones
Materials
- Spray foam
- Caulk
- Gaskets
Energy
- Blower-door test
- Envelope leakage
Guided decisions
- insulation-upgrade