Seattle Area · Western Washington

Old home feel cold, drafty, or expensive to heat?

Cascade RetroFoam re-insulates the existing walls of older homes — warmer rooms, fewer drafts, a quieter house — without tearing it apart. Most homes done in a single day.

Get a Free Quote Call (425) 520-0043

Eco-Friendly Class 1 Fire Rated Lifetime Warranty One-Day Install

Ask about utility rebates — can cover up to 30% of the cost →

See RetroFoam injection foam insulation in action

Comfort first

Warmer, quieter, and easier on the bills

Most homeowners come to us for comfort. The energy savings help pay it back over time.

Even, cozy comfort

Foam fills the gaps fiberglass leaves behind — ending cold rooms, drafts, and uneven temperatures from floor to floor.

Done in a day

Installed from the outside in most cases, with minimal disruption. Most projects finish start-to-finish in a single day.

Safe & guaranteed

A Class 1 Fire Rating, no off-gassing, and a lifetime warranty — your investment in a warmer home is protected for good.

Where we work

Serving the Seattle area

A local crew that shows up at your door — not a national directory.

Seattle Neighborhoods

We proudly serve homeowners throughout Seattle and the surrounding areas, including:

Queen Anne Capitol Hill Ballard Fremont Wallingford Green Lake University District West Seattle Beacon Hill Columbia City

Counties & Regions

Our service area extends throughout Western Washington:

King County Snohomish County Pierce County Kitsap County Thurston County Southwest Washington

★★★★★

Chris and his team were awesome. From quote to installation, everything was professional and efficient. Our home is noticeably more comfortable and our energy bills have already gone down.

Brandon M. · Seattle, WA

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Tell us about your home

Or call us: (425) 520-0043