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An unfinished room with printed mineral wool insulation batts fitted between studs on the walls and a window.

Photo: Own work · CC BY-SA 3.0 · Source

How Much Does Soundproof Insulation Cost in Charleston, South Carolina?

Acoustic mineral-wool (e.g. Safe'n'Sound) insulation installed in open wall/ceiling cavities; drywall and decoupling extra.

Soundproof Insulation in Charleston, South Carolina typically costs $1.39 to $3.25 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Soundproof Insulation in Charleston, South Carolina

$1.39 – $3.25

per sq ft

Prices in Charleston are 8.0% lower than the national average for soundproof insulation.

National average: $1.50 – $3.50 per sq ft

What you get at each price level

  • Basic

    $1.18 – $2.76 per sq ft

    Acoustic mineral wool batts sized for the cavity, friction-fit between framing members

  • Standard

    $1.39 – $3.25 per sq ft

    Acoustic mineral wool batts cut tight around boxes and pipes, gaps at plates sealed with acoustic sealant

  • Premium

    $1.74 – $4.06 per sq ft

    Acoustic mineral wool batts fitted tight, acoustic sealant at plates and penetrations, putty pads on electrical boxes

Cost Breakdown in Charleston

ComponentCategoryPrice RangeUnit
Materialsmaterial$0.66 – $1.52sq ft
Laborlabor$0.44 – $1.06sq ft
Supplies & Othersupplies$0.17 – $0.40sq ft
Equipment & Disposalequipment$0.12 – $0.27sq ft
Prices adjusted for Charleston local market conditions.

Cost Factors in Charleston, South Carolina

What Affects Pricing

  • Materials ($0.69-$1.58 per square foot)
  • Labor ($0.51-$1.22 per square foot)
  • Supplies & Other ($0.18-$0.42 per square foot)
  • Equipment & Disposal ($0.12-$0.28 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

Get Free Estimates in Charleston

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More Cost Intelligence for Charleston