Basic
$2.01 – $3.35 per sq ft
1-1/2 in. foil-faced polyiso board around R-9 fastened with cap fasteners, joints butted tight
How Much Does Install Rigid Insulation Cost in Washington, District of Columbia?
Install Rigid Insulation: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Rigid Insulation in Washington, District of Columbia typically costs $2.37 to $3.95 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Rigid Insulation in Washington, District of Columbia
$2.37 – $3.95
per sq ftPrices in Washington are 5.0% higher than the national average for install rigid insulation.
National average: $2.26 – $3.77 per sq ft
What you get at each price level
Standard
$2.37 – $3.95 per sq ft
1-1/2 in. foil-faced polyiso board around R-9 fastened with cap fasteners, seams taped
Premium
$2.96 – $4.93 per sq ft
1-1/2 in. foil-faced polyiso board around R-9 fastened with cap fasteners, seams taped, edges and penetrations sealed
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.07 – $1.79 | sq ft |
| Labor | labor | $0.82 – $1.37 | sq ft |
| Supplies & Other | supplies | $0.28 – $0.47 | sq ft |
| Equipment & Disposal | equipment | $0.19 – $0.32 | sq ft |
Prices adjusted for Washington local market conditions.
Install Rigid Insulation photo examples
Small building wrapped in foil-faced rigid foam insulation
Photo: ryochiji · CC BY 2.0 · Source
Find a pro to do thisWhite rigid foam insulation boards fixed to the exterior of a residential block
Photo: Manforowicz · CC0 · Source
Find a pro to do this
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($1.02-$1.70 per square foot)
- Labor ($0.79-$1.32 per square foot)
- Supplies & Other ($0.27-$0.45 per square foot)
- Equipment & Disposal ($0.18-$0.30 per square foot)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Install Rigid Insulation, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 Washington
Connect with local install rigid insulation contractors in Washington for personalized quotes based on your specific project.