Basic
$3.16 – $6.31 per sq ft
Base sheet plus two fiberglass ply felts mopped in hot asphalt (3-ply), flood coat with embedded gravel, existing edge reused
How Much Does Tar And Gravel Roof Cost in Charleston, South Carolina?
Built-up (tar and gravel) roof: multiple plies of asphalt felt mopped with hot asphalt and topped with gravel on a flat or low-slope roof, per square foot of roof.
Tar And Gravel Roof in Charleston, South Carolina typically costs $3.71 to $7.43 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Tar And Gravel Roof in Charleston, South Carolina
$3.71 – $7.43
per sq ftPrices in Charleston are 8.0% lower than the national average for tar and gravel roof.
National average: $4 – $8 per sq ft
What you get at each price level
Standard
$3.71 – $7.43 per sq ft
Base sheet plus three fiberglass ply felts in hot asphalt (4-ply), flood coat with embedded gravel, new gravel-stop edge metal
Premium
$4.64 – $9.29 per sq ft
Heavier base sheet plus three ply felts (4-ply), extra-heavy flood coat and gravel, new gravel stop, stripped-in flashings at curbs
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.72 – $3.46 | sq ft |
| Labor | labor | $1.23 – $2.44 | sq ft |
| Supplies & Other | supplies | $0.46 – $0.92 | sq ft |
| Equipment & Disposal | equipment | $0.31 – $0.61 | sq ft |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($1.79-$3.60 per square foot)
- Labor ($1.41-$2.80 per square foot)
- Supplies & Other ($0.48-$0.96 per square foot)
- Equipment & Disposal ($0.32-$0.64 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
- Monarch Roofing: Things to know about a tar and gravel roof, monarchroofing.biz, retrieved Nov 2026
- The Roofing Brief: Flat roof types 2026, theroofingbrief.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
Connect with local tar and gravel roof contractors in Charleston for personalized quotes based on your specific project.