Sebastian Spray Foam
Done first, done right

Air Sealing

Air sealing is its own discipline, not a step to rush. We find and close the hidden paths air takes through a house, the top plates, penetrations, rim joists, and attic bypasses, before any insulation goes in. Sealed first, insulation finally performs the way it was rated to.

Air-sealing the gaps in a framed wall before insulation

Why homeowners choose it

  • The work that makes insulation actually perform
  • We close the paths air takes before we insulate
  • Steadier temperatures and a quieter, cleaner home

How we install it

1

Free in-home assessment

We inspect your attic, walls, or crawl space and find exactly where your home is leaking energy.

2

A clear, fair quote

You get a straightforward plan and price, the right material for each space, no upsell.

3

Clean, expert install

Our expert crew seals the envelope, protects your home throughout, and leaves it spotless.

Best for

Attic bypasses, top plates, penetrations, rim joists

Not sure if air sealing is right for your space? We'll assess your home for free and recommend the material that actually fits.

Request an estimate

Done properly the first time.

Request an estimate and we'll assess your home or building, specify the right material for each space, and give you a clear plan. On schedule, spotless, and finished when we said we would.

Call nowFree quote