Basic
$0.91 – $2.07 per sq ft
Unfaced R-21 high-density fiberglass batts friction-fit in 2x6 walls, vapor retarder where code requires
How Much Does R21 Insulation Cost in Billings, Montana?
Supply and install R-21 high-density fiberglass batt insulation in 2x6 exterior wall cavities.
R21 Insulation in Billings, Montana typically costs $1.07 to $2.44 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
R21 Insulation in Billings, Montana
$1.07 – $2.44
per sq ftPrices in Billings are 2.0% lower than the national average for r21 insulation.
National average: $1.10 – $2.50 per sq ft
What you get at each price level
Standard
$1.07 – $2.44 per sq ft
Kraft-faced R-21 high-density batts stapled to studs, split around wiring and cut tight around boxes and pipes
Premium
$1.34 – $3.04 per sq ft
Formaldehyde-free R-21 high-density batts fitted tight without gaps, split around wiring, cut tight at boxes and pipes, window gaps filled
Cost Breakdown in Billings
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.48 – $1.08 | sq ft |
| Labor | labor | $0.38 – $0.88 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.29 | sq ft |
| Equipment & Disposal | equipment | $0.09 – $0.19 | sq ft |
Prices adjusted for Billings local market conditions.
Cost Factors in Billings, Montana
What Affects Pricing
- Materials ($0.50-$1.12 per square foot)
- Labor ($0.38-$0.88 per square foot)
- Supplies & Other ($0.13-$0.30 per square foot)
- Equipment & Disposal ($0.09-$0.20 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costsAt national average
Frequently Asked Questions
References
- Insulation Installation Cost Per Sq Ft (2026), EZ-Estimates, ez-estimates.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Billings
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