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How Much Does R20 Insulation Cost in Charleston, West Virginia?

Supply and install R-20 insulation (2x6 wall batts or equivalent blown/dense-pack) in exterior wall cavities.

R20 Insulation in Charleston, West Virginia typically costs $1.04 to $2.47 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

R20 Insulation in Charleston, West Virginia

$1.04 – $2.47

per sq ft

Prices in Charleston are 5.0% lower than the national average for r20 insulation.

National average: $1.10 – $2.60 per sq ft

What you get at each price level

  • Basic

    $0.89 – $2.10 per sq ft

    R-20 fiberglass batts friction-fit in 2x6 wall cavities, cut around boxes and pipes

  • Standard

    $1.04 – $2.47 per sq ft

    Kraft-faced R-20 batts stapled to studs, split around wiring, cut tight at boxes, top and bottom plates fully filled

  • Premium

    $1.31 – $3.09 per sq ft

    Kraft-faced R-20 batts stapled to studs and fitted without gaps, split around wiring, cut tight at boxes, plates fully filled, window gaps filled

Cost Breakdown in Charleston

ComponentCategoryPrice RangeUnit
Materialsmaterial$0.49 – $1.12sq ft
Laborlabor$0.34 – $0.85sq ft
Supplies & Othersupplies$0.14 – $0.30sq ft
Equipment & Disposalequipment$0.07 – $0.20sq ft
Prices adjusted for Charleston local market conditions.

Cost Factors in Charleston, West Virginia

What Affects Pricing

  • Materials ($0.51-$1.17 per square foot)
  • Labor ($0.37-$0.91 per square foot)
  • Supplies & Other ($0.15-$0.31 per square foot)
  • Equipment & Disposal ($0.07-$0.21 per square foot)

Local Price Adjustments

Material costs4.0% below avg
Labor costs7.0% below avg

Frequently Asked Questions

References

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