Basic
$1.61 – $3.63 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened to the surface, seams taped
Photo: Sealle · CC BY-SA 4.0 · Source
How Much Does Polyisocyanurate Insulation Cost in Charleston, West Virginia?
Supply and install rigid polyiso foam board insulation (1-2 in, foil faced) on walls, roof deck or basement, with taped seams and fasteners.
Polyisocyanurate Insulation in Charleston, West Virginia typically costs $1.90 to $4.27 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Polyisocyanurate Insulation in Charleston, West Virginia
$1.90 – $4.27
per sq ftPrices in Charleston are 5.0% lower than the national average for polyisocyanurate insulation.
National average: $2 – $4.50 per sq ft
What you get at each price level
Standard
$1.90 – $4.27 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened with cap fasteners, all seams taped with foil tape
Premium
$2.37 – $5.34 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened, seams taped, edges and penetrations sealed with foam
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.87 – $1.95 | sq ft |
| Labor | labor | $0.64 – $1.46 | sq ft |
| Supplies & Other | supplies | $0.23 – $0.52 | sq ft |
| Equipment & Disposal | equipment | $0.15 – $0.35 | sq ft |
Prices adjusted for Charleston local market conditions.
Polyisocyanurate Insulation photo examples
Foil-faced polyiso boards butted at a corner showing the cream foam core
Photo: Sealle · CC BY-SA 4.0 · Source
Find a pro to do thisFoil-faced polyiso boards laid with rebated edges meeting at a right angle
Photo: Sealle · CC BY-SA 4.0 · Source
Find a pro to do this
Cost Factors in Charleston, West Virginia
What Affects Pricing
- Materials ($0.91-$2.03 per square foot)
- Labor ($0.69-$1.57 per square foot)
- Supplies & Other ($0.24-$0.54 per square foot)
- Equipment & Disposal ($0.16-$0.36 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costs7.0% below avg
Frequently Asked Questions
References
- Polyisocyanurate Rigid Foam Insulation Price 2026, One and Done Prep, oneanddoneprep.com, retrieved Nov 2026
- Cost of Polyiso Insulation, Frontier Foam, frontierfoam.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 Charleston
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