What air sealing means
Air sealing is closing the gaps where air leaks in and out of a house, such as around chimneys, wiring and plumbing holes, top plates, rim joists and attic hatches, with foam, caulk and blocking.
Where it matters on a insulation job
It is usually done right before insulation, when the attic floor is still visible. Price it separately so the customer understands it is real work and not part of blowing insulation.
What it costs
For air sealing, the closest koira.ai price is the attic insulation cost guide, near $2,500 for a typical job and $1,700 to $3,250 for most. The guide shows its sources and what moves the price. The insulation cost calculator prices a job line by line.
Work it out
- Free calculator: Insulation cost calculator
- Cost guide: Attic insulation cost
- Tools, templates and guides: Free insulation resources