Washington & Oregon RetroFoam has a new name — Cascade RetroFoam. Learn More →
Services RetroFoam Wall Insulation Insulation Retrofit Residential Insulation Commercial Insulation Sound Insulation Multi-Family Insulation Locations Seattle Tacoma Bellevue Everett Olympia Kent Puyallup How It Works Projects Resources How To Insulate Existing Walls Why Is My House Cold? High Energy Bills Soundproofing Existing Walls Retrofit vs New Construction FAQ Seattle (425) 520-0043 Portland (503) 404-4557 Free Quote
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.

Class 1 Fire Rated Lifetime Warranty One-Day Install
Project home 1 Project home 2 Project home 3 Project home 4 Project home 5 Project home 6 Project home 7 Project home 8 Project home 9 Project home 10 Project home 11 Project home 12 Project home 13 Project home 14 Project home 15
Older homes, treated with care
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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Or call us: (425) 520-0043

Seattle
(425) 520-0043
Free Quote