How Much Does Stone Wool Insulation Cost in Washington, District of Columbia?
Stone wool (mineral wool / Rockwool) batt or blown insulation installed in walls, attic or basement, materials and labor, per square foot of insulated area.
Stone Wool Insulation in Washington, District of Columbia typically costs $1.57 to $3.98 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Stone Wool Insulation in Washington, District of Columbia
$1.57 – $3.98
per sq ftPrices in Washington are 5.0% higher than the national average for stone wool insulation.
National average: $1.50 – $3.80 per sq ft
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.71 – $1.80 | sq ft |
| Labor | labor | $0.54 – $1.38 | sq ft |
| Supplies & Other | supplies | $0.19 – $0.47 | sq ft |
| Equipment & Disposal | equipment | $0.13 – $0.33 | sq ft |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($0.68-$1.71 per square foot)
- Labor ($0.52-$1.33 per square foot)
- Supplies & Other ($0.18-$0.45 per square foot)
- Equipment & Disposal ($0.12-$0.31 per square foot)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
References
- Bob Vila: Blown-in insulation cost, Bob Vila, 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 Washington
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