Basic
$1.20 – $2.79 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened with screws and washers, seams taped

Photo: Sealle · CC BY-SA 4.0 · Source
Supply and install 1-2 in foil-faced PIR (polyiso) rigid board insulation on walls, ceilings or roof deck, with taped seams and fasteners.
PIR Insulation in Charlotte, North Carolina typically costs $1.41 to $3.29 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Charlotte are 7.0% lower than the national average for pir insulation.
National average: $1.50 – $3.50 per sq ft
$1.20 – $2.79 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened with screws and washers, seams taped
$1.41 – $3.29 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened with cap fasteners, tight joints, all seams taped with foil tape
$1.76 – $4.11 per sq ft
1-1/2 in. foil-faced polyiso board (around R-9), fastened, seams taped, perimeter and penetrations foam-sealed
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.66 – $1.52 | sq ft |
| Labor | labor | $0.46 – $1.07 | sq ft |
| Supplies & Other | supplies | $0.17 – $0.42 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.27 | sq ft |
Corner of foil-faced PIR insulation boards with stepped edges
Photo: Sealle · CC BY-SA 4.0 · Source
Find a pro to do thisMaterial costs in Charlotte run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local pir insulation contractors in Charlotte for personalized quotes based on your specific project.