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Rendering: Modified Bitumen Roof at the Premium level: 2-ply SBS: heavier base sheet plus white reflective granulated cap over a cover board, torch-applied, new metal edge and base flashings

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How Much Does Modified Bitumen Roof Cost in Wilmington, Delaware?

Install a 2-ply modified bitumen (SBS or APP, torch, cold or self-adhered) membrane on a residential or light-commercial low-slope roof.

Modified Bitumen 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.

Modified Bitumen Roof in Wilmington, Delaware

$4.08 – $9.17

per sq ft

Prices in Wilmington are 4.0% higher than the national average for modified bitumen roof.

National average: $4 – $9 per sq ft

What you get at each price level

  • Basic

    $3.46 – $7.80 per sq ft

    2-ply SBS: fastened base sheet plus charcoal granulated cap sheet, torch-applied, new metal edge, base flashings at walls and curbs

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  • Standard

    $4.08 – $9.17 per sq ft

    2-ply SBS: fastened base sheet plus light gray granulated cap, torch-applied, new metal edge, base flashings at walls and curbs

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  • Premium

    $5.10 – $11 per sq ft

    2-ply SBS: heavier base sheet plus white reflective granulated cap over a cover board, torch-applied, new metal edge and base flashings

    Rendering: BuildX

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Cost Breakdown in Wilmington

ComponentCategoryPrice RangeUnit
Materialsmaterial$1.75 – $3.93sq ft
Laborlabor$1.55 – $3.50sq ft
Supplies & Othersupplies$0.47 – $1.05sq ft
Equipment & Disposalequipment$0.31 – $0.70sq 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 ($4-$9 per square foot)
  • Equipment & Disposal ($4-$9 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

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