Basic
$1.81 – $2.94 per sq ft
Standard fiberglass batts, R-13 (2x4 walls) and R-19 (2x6 walls), friction-fit between studs
How Much Does Wall Insulation Cost in Seattle, Washington?
Wall Insulation: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Wall Insulation in Seattle, Washington typically costs $2.13 to $3.46 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Wall Insulation in Seattle, Washington
$2.13 – $3.46
per sq ftPrices in Seattle are 19.0% higher than the national average for wall insulation.
National average: $1.86 – $3.02 per sq ft
What you get at each price level
Standard
$2.13 – $3.46 per sq ft
High-density fiberglass batts, R-15 (2x4 walls) and R-21 (2x6 walls), cut neatly around wiring and boxes
Premium
$2.66 – $4.32 per sq ft
High-density kraft-faced fiberglass batts, R-15 (2x4 walls) and R-21 (2x6 walls), stapled to studs, fitted without gaps, split around wiring
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.87 – $1.41 | sq ft |
| Labor | labor | $0.87 – $1.42 | sq ft |
| Supplies & Other | supplies | $0.23 – $0.37 | sq ft |
| Equipment & Disposal | equipment | $0.16 – $0.25 | sq ft |
Prices adjusted for Seattle local market conditions.
Wall Insulation photo examples
Pink fiberglass batts fitted between wall studs in a framed wall
Photo: thievingjoker · CC BY-SA 2.0 · Source
Fiberglass batt insulation in an open stud wall beside a window with plastic sheeting
Photo: HomeAid NoVa · CC BY 2.0 · Source
Fibrous wall insulation exposed between framing around a door opening
Photo: Panamitsu · CC BY-SA 4.0 · Source
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.84-$1.36 per square foot)
- Labor ($0.65-$1.06 per square foot)
- Supplies & Other ($1.86-$3.02 per square foot)
- Equipment & Disposal ($1.86-$3.02 per square foot)
Local Price Adjustments
Material costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Cost to install wall insulation, Homewyse, retrieved Sep 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 Seattle
Connect with local wall insulation contractors in Seattle for personalized quotes based on your specific project.