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How Much Does Fiberglass Sliding Window Cost in Wilmington, Delaware?

Replace one standard-size fiberglass horizontal sliding window, installed.

Fiberglass Sliding Window in Wilmington, Delaware typically costs $866 to $1,732 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Fiberglass Sliding Window in Wilmington, Delaware

$866 – $1,732

each

Prices in Wilmington are 4.0% higher than the national average for fiberglass sliding window.

National average: $850 – $1,700 each

What you get at each price level

  • Basic

    $736 – $1,472 each

    White fiberglass horizontal slider with low-E double-pane glass, cam lock and screen on the operating sash, interior trim

  • Standard

    $866 – $1,732 each

    Fiberglass horizontal slider with low-E argon glass and warm-edge spacers, smoother rolling sash, tan frame, sealed

  • Premium

    $1,083 – $2,165 each

    Fiberglass horizontal slider with dark exterior color, low-E argon glass with grilles between the glass, rolling sash

Cost Breakdown in Wilmington

ComponentCategoryPrice RangeUnit
Materialsmaterial$371 – $742each
Laborlabor$331 – $660each
Supplies & Othersupplies$99 – $198each
Equipment & Disposalequipment$66 – $132each
Prices adjusted for Wilmington local market conditions.

Cost Factors in Wilmington, Delaware

What Affects Pricing

  • Materials ($382.00-$765.00 per unit)
  • Labor ($298.00-$595.00 per unit)
  • Supplies & Other ($102.00-$204.00 per unit)
  • Equipment & Disposal ($68.00-$136.00 per unit)

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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