Sebastian Spray Foam
Soft, expansive, quiet

Open-Cell Spray Foam

A lighter foam that expands to fill irregular cavities and rafter bays completely. Its open structure makes it exceptional at deadening sound, which is why it is often specified for interior walls and finished attic spaces.

Open-cell spray foam expanding to fill a wall cavity

Why homeowners choose it

  • Expands to reach awkward gaps and rafter bays
  • Softens sound between rooms and floors
  • Specified where a full seal and a quiet home both matter

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

Interior walls, roof decks, sound control

Not sure if open-cell 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