Basic
$3.46 – $7.80 per sq ft
Three-ply built-up roof with fiberglass ply sheets in hot asphalt, flood coat with gravel, new gravel stop
How Much Does Built Up Roof Cost in Wilmington, Delaware?
Install a new multi-ply built-up (tar and gravel) flat roof over an existing deck, per square foot, tear-off extra.
Built Up Roof in Wilmington, Delaware typically costs $4.08 to $9.17 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Built Up Roof in Wilmington, Delaware
$4.08 – $9.17
per sq ftPrices in Wilmington are 4.0% higher than the national average for built up roof.
National average: $4 – $9 per sq ft
What you get at each price level
Standard
$4.08 – $9.17 per sq ft
Four-ply fiberglass felts in hot asphalt over a base sheet, flood coat with embedded gravel, new gravel stop and flashings
Premium
$5.10 – $11 per sq ft
Four plies plus base sheet over new cover board, flood coat and gravel, new edge metal, re-flashed curbs and drains
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.75 – $3.93 | sq ft |
| Labor | labor | $1.55 – $3.50 | sq ft |
| Supplies & Other | supplies | $0.47 – $1.05 | sq ft |
| Equipment & Disposal | equipment | $0.31 – $0.70 | sq ft |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($1.80-$4.05 per square foot)
- Labor ($1.40-$3.15 per square foot)
- Supplies & Other ($0.48-$1.08 per square foot)
- Equipment & Disposal ($0.32-$0.72 per square foot)
Local Price Adjustments
Material costs3.0% below avg
Labor costs11.0% above avg
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Built-Up Roofing (BUR): Specs, Cost & Installation Guide | RoofingStuffs, RoofingStuffs, retrieved Nov 2026
- Built-Up Roof (BUR): Cost, Lifespan & Alternatives (2026) | RoofToYard, RoofToYard, 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 Wilmington
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