Basic
$0.82 – $3.68 per sq ft
R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing
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 Des Moines, Iowa typically costs $0.96 to $4.32 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Des Moines are 3.0% lower than the national average for floor insulation.
National average: $1 – $4.50 per sq ft
$0.82 – $3.68 per sq ft
R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing
$0.96 – $4.32 per sq ft
R-30 fiberglass batts pressed against the subfloor, held with wire supports, gaps at rim joists stuffed with insulation
$1.20 – $5.41 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
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.42 – $1.90 | sq ft |
| Labor | labor | $0.35 – $1.58 | sq ft |
| Supplies & Other | supplies | $0.11 – $0.51 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.34 | sq ft |
Labor costs in Des Moines run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local floor insulation contractors in Des Moines for personalized quotes based on your specific project.