In Gillette, Wyoming, most attic insulation projects cost between $1,500 and $5,000 per job, with a typical price near $3,000. Use the range below as a planning guide, then get local quotes.
Typical attic insulation cost
$1,500 – $5,000
per job · typical $3,000
A general planning range, not a quotation.
Attic insulation cost breakdown
- Fiberglass batts$1,000 – $2,500typical $1,800
- Blown-in cellulose$1,500 – $3,500typical $2,500
- Spray foam$3,000 – $7,000typical $5,000
At a glance
- Typical range$1,500 – $5,000
- Unitper job
- Nearby cities3
What Attic Insulation costs
Cost covers material (fiberglass, cellulose, or spray foam) and installation for a 1,200 sq ft attic. Includes air sealing and baffles. Spray foam costs more but offers higher R-value.
Nearby cities
See Attic Insulation costs for all of Wyoming
Frequently asked questions
What R-value is recommended?
R-49 for most of the US. Check local codes. Older homes often have R-19 or less.
Does attic insulation pay for itself?
Yes, typically within 2–5 years through reduced heating and cooling bills.
Can I install it myself?
Blown-in cellulose requires a rental machine. Batts are DIY-friendly but less effective if gaps are left.