Basic
$0.85 – $3.83 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 Baltimore, Maryland typically costs $1 to $4.51 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 Baltimore are in line with the national average for floor insulation.
National average: $1 – $4.50 per sq ft
$0.85 – $3.83 per sq ft
R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing
$1 – $4.51 per sq ft
R-30 fiberglass batts pressed against the subfloor, held with wire supports, gaps at rim joists stuffed with insulation
$1.25 – $5.64 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 | $0.46 – $2.06 | sq ft |
| Labor | labor | $0.34 – $1.53 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.55 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.37 | sq ft |
Material costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local floor insulation contractors in Baltimore for personalized quotes based on your specific project.