Basic
$0.91 – $2.08 per sq ft
Unfaced R-21 high-density fiberglass batts friction-fit in 2x6 walls, vapor retarder where code requires

Supply and install R-21 high-density fiberglass batt insulation in 2x6 exterior wall cavities.
R21 Insulation in Burlington, Vermont 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.
Prices in Burlington are 2.0% lower than the national average for r21 insulation.
National average: $1.10 – $2.50 per sq ft
$0.91 – $2.08 per sq ft
Unfaced R-21 high-density fiberglass batts friction-fit in 2x6 walls, vapor retarder where code requires
$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
$1.34 – $3.05 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
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.49 – $1.09 | sq ft |
| Labor | labor | $0.38 – $0.87 | sq ft |
| Supplies & Other | supplies | $0.13 – $0.29 | sq ft |
| Equipment & Disposal | equipment | $0.09 – $0.19 | sq ft |
Connect with local r21 insulation contractors in Burlington for personalized quotes based on your specific project.