How Much Does R20 Insulation Cost in Charleston, South Carolina?
Maximize Energy Savings: Discover the Advantages and Investment of R20 Insulation for Residential and Commercial Spaces in 2026
R20 Insulation in Charleston, South Carolina typically costs $3 to $12 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, South Carolina
$3 – $12
Prices in Charleston are 13.0% lower than the national average for r20 insulation.
National average: $4 – $14
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2 – $6 | sq ft |
| Labor | labor | $1 – $4 | sq ft |
| Supplies & Other | supplies | $0 – $1 | sq ft |
| Equipment & Disposal | equipment | $0 – $1 | sq ft |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($1.80-$6.30/sq ft)
- Labor ($1.40-$4.90/sq ft)
- Supplies & Other ($0.48-$1.68/sq ft)
- Equipment & Disposal ($0.32-$1.12/sq ft)
Local Price Adjustments
Material costs12.0% below avg
Labor costs14.0% below avg
Frequently Asked Questions
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