Basic
$9.47 – $19 per sq ft
6-1/2 in. EPS-core panels (about R-22) with 7/16 in. OSB skins, spline joints and sealant at the seams
Photo: Isokern · CC BY-SA 4.0 · Source
How Much Does Insulated Panels Cost in Charleston, South Carolina?
Structural insulated panels (SIPs) supplied and erected for walls, per sq ft of wall.
Insulated Panels in Charleston, South Carolina typically costs $11 to $22 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Insulated Panels in Charleston, South Carolina
$11 – $22
per sq ftPrices in Charleston are 8.0% lower than the national average for insulated panels.
National average: $12 – $24 per sq ft
What you get at each price level
Standard
$11 – $22 per sq ft
6-1/2 in. EPS-core panels (about R-22) with 7/16 in. OSB skins, spline joints, sealant and panel tape at all seams
Premium
$14 – $28 per sq ft
6-1/2 in. EPS-core panels (about R-22) with 7/16 in. OSB skins, spline joints, sealant and panel tape at all seams, plates and corners foam-sealed
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $5.18 – $10 | sq ft |
| Labor | labor | $3.65 – $7.31 | sq ft |
| Supplies & Other | supplies | $1.38 – $2.76 | sq ft |
| Equipment & Disposal | equipment | $0.92 – $1.84 | sq ft |
Prices adjusted for Charleston local market conditions.
Insulated Panels photo examples
Structural insulated panel with OSB facings and an EPS foam core
Photo: StructuralInsulatedPanels · CC BY-SA 4.0 · Source
Find a pro to do thisSmall house built with structural insulated panels and timber cladding
Photo: Quacentsip · CC BY-SA 4.0 · Source
Find a pro to do thisStacks of prefabricated structural insulated wall panels at a factory
Photo: BMe3001 · CC BY-SA 4.0 · Source
Find a pro to do this
Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($5.40-$10.80 per square foot)
- Labor ($4.20-$8.40 per square foot)
- Supplies & Other ($1.44-$2.88 per square foot)
- Equipment & Disposal ($0.96-$1.92 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costs13.0% below avg
Material costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
Frequently Asked Questions
References
- Sip Roof Panels Cost Guide - New England Metal Roof, New England Metal Roof, 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
Connect with local insulated panels contractors in Charleston for personalized quotes based on your specific project.