Basic
$0.81 – $3.63 per sq ft
R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing
How Much Does Floor Insulation Cost in Charleston, West Virginia?
Insulate the underside of a floor over a crawl space or unheated area with batts, rigid board or spray foam between joists, supported in place.
Floor Insulation in Charleston, West Virginia typically costs $0.95 to $4.27 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Floor Insulation in Charleston, West Virginia
$0.95 – $4.27
per sq ftPrices in Charleston are 5.0% lower than the national average for floor insulation.
National average: $1 – $4.50 per sq ft
What you get at each price level
Standard
$0.95 – $4.27 per sq ft
R-30 fiberglass batts pressed against the subfloor, held with wire supports, gaps at rim joists stuffed with insulation
Premium
$1.19 – $5.34 per sq ft
R-30 fiberglass batts pressed to the subfloor, wire supports at close spacing, rim joists insulated, batts cut tight around pipes and wiring
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.43 – $1.94 | sq ft |
| Labor | labor | $0.33 – $1.47 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.52 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.35 | sq ft |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, West Virginia
What Affects Pricing
- Materials ($0.45-$2.02 per square foot)
- Labor ($0.35-$1.58 per square foot)
- Supplies & Other ($1.00-$4.50 per square foot)
- Equipment & Disposal ($1.00-$4.50 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costs7.0% below avg
Frequently Asked Questions
References
- InsulationCalcs: Floor & Crawlspace Insulation Cost, insulationcalcs.com, retrieved Nov 2026
- PICKHVAC: Insulation for Crawl Space, pickhvac.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
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