Spray Foam Insulation in Fort Collins, CO
Seal air leaks and insulate in a single step with high-performance open-cell and closed-cell spray foam — lower heating bills and fewer drafts all winter.
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What is spray foam insulation?
Spray polyurethane foam (SPF) is a two-component insulation that is sprayed as a liquid and expands to fill every gap, crack, and cavity — creating both a thermal barrier and an air barrier in a single step. We install two types. Closed-cell foam is dense, rigid, and moisture-resistant, delivering the highest R-value per inch available (about R-6.5 per inch) while adding structural strength to walls and roofs. It is ideal for rim joists, crawl spaces, metal buildings, pole barns, and any area where moisture is a concern. Open-cell foam is lighter and more affordable, expanding to fill large cavities while remaining flexible — making it an excellent choice for interior walls, attic rooflines, and sound control between rooms. Because spray foam seals as it insulates, it eliminates the drafts and thermal bypasses that let cold Colorado air infiltrate your home. The result is noticeably lower heating bills, more even temperatures between floors, and a quieter, more comfortable living space. For new construction, additions, and major retrofits, spray foam is often the highest-performance insulation choice available.
Benefits of spray foam insulation
Air seal + insulation in one step
Expands to seal gaps, cracks, and bypasses that fiberglass misses.
Lower heating bills
High R-value per inch cuts energy loss through Colorado winters.
Moisture barrier (closed-cell)
Closed-cell foam resists water and helps prevent mold and rot.
Sound control (open-cell)
Open-cell foam dampens sound between rooms and from outside.
Adds structural rigidity
Closed-cell foam bonds to framing and strengthens walls and roofs.
Deters pests & pollen
Sealed envelope keeps out insects, rodents, and airborne allergens.
Where we install spray foam
- Attics and attic rooflines
- Exterior and interior wall cavities
- Rim joists and band boards
- Crawl spaces and basements
- Metal buildings and pole barns
- New construction and additions
- Garages and bonus rooms
Open-cell vs. closed-cell spray foam
Not sure which you need? We recommend the right type based on where it is being installed and your goals — at your free on-site estimate.
Our process for spray foam insulation
Free on-site assessment
We inspect the area, measure, and recommend open-cell or closed-cell based on your goals.
Prep & protect
We mask off the area, protect surfaces, and ventilate the workspace.
Spray application
Our crew sprays commercial-grade foam that expands to fill every gap.
Trim & clean up
Excess foam is trimmed flush and the workspace is left clean.
Final walkthrough
We review the work with you and answer any questions.
Spray Foam Insulation project gallery
Real spray foam insulation work from our crew across Fort Collins and Northern Colorado.
Precision wood stud batt insulation installation
Basement metal stud framing pre-insulation
Attic rafter wall spray foam air & moisture barrier
Closed-cell spray foam wall cavity insulation
Attic blown-in cellulose deep thermal fill
Commercial custom ceiling insulation project
What our customers say
"Highly recommend. Best spray foam company I've used. Showed up when they said they would. Did what they said they would. Will be using again."
"Everflow insulated our home in Fort Collins. The temperature difference on our second floor was night and day within 24 hours. Super clean crew and courteous owners!"
"Professional, punctual, and extremely knowledgeable. They explained the difference between closed-cell and open-cell spray foam and saved us a bundle on our garage remodel."
Spray Foam Insulation FAQ
Spray Foam Insulation from Everflow Spray Foam
Family-owned · Commercial-grade equipment · Top-tier materials
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Areas we serve
Spray foam across Northern Colorado and Southern Wyoming. Click your area to learn how we serve it.
Get a free spray foam insulation quote
Free, no-obligation estimate from your local Fort Collins spray foam insulation experts.