Sebastian Spray Foam
The complete air seal

Spray Foam Insulation

Our specialty. Expanding open- and closed-cell foam bonds to every stud, gap, and corner, forming one continuous barrier against air, moisture, and heat loss.

Residential attic fully sealed with closed-cell spray foam insulation

Why homeowners choose it

  • Seals drafts other insulation leaves behind
  • High R-value in a thinner profile
  • Adds rigidity and resists moisture & mold

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.

Open-cell and closed-cell

Spray foam comes in two forms, and the right one depends on the space. We specify it during your assessment.

Best for

Attics, roof decks, rim joists, cavity walls, crawl spaces

Not sure if spray foam 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