Basic
$3.41 – $6.81 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a two-coat acrylic elastomeric topcoat
How Much Does Foam Roof Cost in Seattle, Washington?
Spray polyurethane foam (SPF) roof with elastomeric topcoat on a low-slope roof, materials and labor per sq ft; tear-off and deck repair extra.
Foam Roof in Seattle, Washington typically costs $4.01 to $8.01 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Foam Roof in Seattle, Washington
$4.01 – $8.01
per sq ftPrices in Seattle are 19.0% higher than the national average for foam roof.
National average: $3.50 – $7 per sq ft
What you get at each price level
Standard
$4.01 – $8.01 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a silicone elastomeric topcoat and embedded granules
Premium
$5.01 – $10 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a thicker silicone topcoat, embedded granules and walkway pads at access points
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.63 – $3.28 | sq ft |
| Labor | labor | $1.65 – $3.27 | sq ft |
| Supplies & Other | supplies | $0.44 – $0.88 | sq ft |
| Equipment & Disposal | equipment | $0.29 – $0.58 | sq ft |
Prices adjusted for Seattle local market conditions.
Foam Roof photo examples
White coated foam roof seen from above on a flat-roofed building
Photo: Roof Repair Today · CC BY-SA 4.0 · Source
Find a pro to do this
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($1.57-$3.15 per square foot)
- Labor ($1.23-$2.44 per square foot)
- Supplies & Other ($0.42-$0.85 per square foot)
- Equipment & Disposal ($0.28-$0.56 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
- ArmorThane - Spray Foam Roofing Cost (2026), armorthane.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 Seattle
Connect with local foam roof contractors in Seattle for personalized quotes based on your specific project.