Basic
$3.56 – $7.12 per sq ft
About 1-1/2 in. spray polyurethane foam (about R-9) with acrylic elastomeric coating in two coats
Rendering: BuildX
How Much Does SPF Roof Cost in Washington, District of Columbia?
Spray polyurethane foam (SPF) roof system on a low-slope roof, foam plus protective elastomeric coating, priced per square foot of roof.
SPF Roof in Washington, District of Columbia typically costs $4.19 to $8.37 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
SPF Roof in Washington, District of Columbia
$4.19 – $8.37
per sq ftPrices in Washington are 5.0% higher than the national average for spf roof.
National average: $4 – $8 per sq ft
What you get at each price level
Standard
$4.19 – $8.37 per sq ft
About 1-1/2 in. spray foam (about R-9) with silicone elastomeric coating, granules on walk paths
Premium
$5.23 – $10 per sq ft
About 1-1/2 in. spray foam (about R-9) with silicone base and topcoat, granules broadcast for durability
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.89 – $3.78 | sq ft |
| Labor | labor | $1.46 – $2.91 | sq ft |
| Supplies & Other | supplies | $0.50 – $1.01 | sq ft |
| Equipment & Disposal | equipment | $0.34 – $0.67 | sq ft |
Prices adjusted for Washington local market conditions.
SPF Roof photo examples
Depth gauge probing the foam thickness on a roof
Rendering: BuildX
Find a pro to do thisWhite elastomeric coating rolled over cured roof foam
Rendering: BuildX
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Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($1.80-$3.60 per square foot)
- Labor ($1.40-$2.80 per square foot)
- Supplies & Other ($0.48-$0.96 per square foot)
- Equipment & Disposal ($0.32-$0.64 per square foot)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
References
- Rescreening Masters: Polyurethane foam roofing cost, rescreeningmasters.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 Washington
Connect with local spf roof contractors in Washington for personalized quotes based on your specific project.