Basic
$2.76 – $5.53 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a two-coat acrylic elastomeric topcoat
How Much Does Foam Roof Cost in Charleston, South Carolina?
Spray polyurethane foam (SPF) roof with elastomeric topcoat on a low-slope roof, materials and labor per sq ft; tear-off and deck repair extra.
Foam Roof in Charleston, South Carolina typically costs $3.25 to $6.50 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Foam Roof in Charleston, South Carolina
$3.25 – $6.50
per sq ftPrices in Charleston are 8.0% lower than the national average for foam roof.
National average: $3.50 – $7 per sq ft
What you get at each price level
Standard
$3.25 – $6.50 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a silicone elastomeric topcoat and embedded granules
Premium
$4.06 – $8.13 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a thicker silicone topcoat, embedded granules and walkway pads at access points
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.51 – $3.02 | sq ft |
| Labor | labor | $1.07 – $2.12 | sq ft |
| Supplies & Other | supplies | $0.40 – $0.82 | sq ft |
| Equipment & Disposal | equipment | $0.27 – $0.54 | sq ft |
Prices adjusted for Charleston local market conditions.
Foam Roof photo examples
White coated foam roof seen from above on a flat-roofed building
Photo: Roof Repair Today · CC BY-SA 4.0 · Source
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Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($1.57-$3.15 per square foot)
- Labor ($1.23-$2.44 per square foot)
- Supplies & Other ($0.42-$0.85 per square foot)
- Equipment & Disposal ($0.28-$0.56 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
- ArmorThane - Spray Foam Roofing Cost (2026), armorthane.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
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