Blown-In Insulation in Bellvue & Fort Collins, CO
Loose-fill cellulose or fiberglass that fills attics and existing walls evenly and fast — the most efficient way to hit Zone 5B R-value targets without opening up walls.
Cellulose vs. fiberglass loose-fill
Both cellulose and loose-fill fiberglass perform well; the right choice depends on the space and your priorities. Cellulose is made largely from recycled paper, is treated for fire resistance, packs densely, and is excellent at slowing air movement — a real advantage in the wind that comes off the foothills around Bellvue and Rist Canyon. Loose-fill fiberglass is lightweight, resists moisture, and settles less over time. For deep attic blankets we often recommend cellulose for its density and air-slowing qualities; for certain applications fiberglass is the better fit.
We'll walk through the trade-offs and recommend the material that gives your specific home the best performance for the money.
- Cellulose — dense, recycled content, slows wind-driven air well
- Fiberglass — light, low settling, moisture-resistant
- Both reach R-49–R-60 attic targets efficiently
- We match material to the space and your goals, not a default
Why homeowners choose it
- Even, gap-free coverage that flows around wiring and obstructions
- Fast installation with minimal disruption to the household
- Excellent for topping up under-insulated attics common in older Larimer County homes
- Cellulose option is made largely from recycled content
- Strong value per R-value gained compared to spray foam
- Can be dense-packed into existing walls without a full remodel
Blown-in insulation is one of the fastest, most cost-effective ways to raise a Larimer County home's efficiency. Loose-fill cellulose or fiberglass is blown through a hose to fill attics and enclosed wall cavities, flowing around wires, pipes, and framing to create an even, gap-free blanket. For attics especially — where most of a home's heat escapes — blown-in is the go-to solution to reach the R-49 to R-60 targets this climate demands.
Because it's installed as a loose fill, blown-in reaches into corners and irregular framing that rigid batts can't, which matters a lot in the mixed-vintage housing stock around Fort Collins, LaPorte, and Wellington — additions built decades apart, settled attics, and sloped ceilings that make a clean batt install nearly impossible. It's an ideal upgrade for existing homes where opening up walls isn't practical.
Hitting Larimer County's Zone 5B attic targets
Larimer County sits in IECC Climate Zone 5B, where recommended attic insulation runs R-49 to R-60. Many older homes around Bellvue, LaPorte, and Fort Collins' historic neighborhoods were built to far lower standards decades ago, and even newer homes settle over time and leave money on the table every heating season. Blowing in additional loose-fill to bring your attic up to a modern R-value is consistently one of the highest-return improvements available, often paying for itself through lower bills within a few years.
We measure your existing depth, calculate what's needed to reach your target R-value, and install to an even, verified depth with a ruler marker left in place so the result is documented — useful both for your own records and for utility rebate paperwork.
Prep and air sealing come first
Blown-in insulation performs best over a properly prepared attic. Before we add insulation, we look for and seal the air leaks — around can lights, top plates, plumbing and wiring penetrations, and the attic hatch — because insulation slows heat but doesn't stop air movement. Skipping this step leaves the biggest efficiency gains on the table. We treat air sealing and blown-in insulation as a package so your new R-value actually delivers its full value, whether that's a Fort Collins suburban attic or a windy Bellvue farmhouse.
Ideal for
- Attics that are under-insulated or below current R-value targets
- Existing walls that need insulation without demolition
- Older Fort Collins, LaPorte, and Bellvue homes with settled insulation
- Homeowners wanting a high-ROI efficiency upgrade
- Sloped ceilings and irregular attic geometry common in farmhouse additions
What affects the cost
How blown-in insulation works, start to finish
Free assessment / blower-door test
We inspect your home, measure existing R-value, and confirm whether you're Epic Homes, PVREA, or Loveland Water & Power territory.
Custom plan & itemized quote
A clear, honest scope — the right material in each area, with rebates factored into the real net cost.
Clean, professional install
Our crews prep, air seal, and install to your target R-value, on schedule and with the site protected.
Final inspection & rebate paperwork
We verify the finished work and help file the correct program's documentation before any deadline closes.
Blown-In Insulation done right, on the property in front of us.
Every home and outbuilding around Bellvue, Fort Collins, and Rist Canyon is a little different. We assess yours, not a template, before a single piece of material goes in.
Fort Collins Epic Homes · PVREA · Loveland Water & Power
Blown-In Insulation projects frequently qualify for a utility rebate — but which program applies depends on your address. We confirm it before we quote, and help with the paperwork.
Blown-In Insulation questions, answered
Larimer County sits in Zone 5B, where recommended attic insulation is typically R-49 to R-60. Many existing homes fall well short of that. We measure your current depth and top up to your target R-value, which for most under-insulated attics delivers a fast payback through lower heating and cooling bills.
Both work well; it depends on the attic and your goals. Blown-in loose-fill is a fast, cost-effective way to reach high R-values across a standard attic floor. Spray foam is the choice when you want to insulate at the roofline, seal a vaulted ceiling, or create a conditioned attic. We often pair air sealing with blown-in for the best value, and recommend foam where its air seal is worth the premium.
Usually yes. If your existing insulation is dry and in good condition, we can often add loose-fill on top to boost your R-value. If the old insulation is wet, rodent-contaminated, or damaged — common in rural attics near open land — we'll remove it first. An inspection tells us which path is right.
Some settling is normal, and we account for it by installing to the correct initial depth so your attic still meets its target R-value after settling. Cellulose settles more than fiberglass but packs densely; we install to documented depths so your rated performance holds up through Colorado winters.
Related services
Ready for a free blown-in insulation quote?
Tell us about your home and we'll put together a clear, no-pressure quote — plus tell you which of the three Larimer County rebate programs you qualify for.