Basic
$1.25 – $2.92 per sq ft
Acoustic mineral wool batts sized for the cavity, friction-fit between framing members

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Acoustic mineral-wool (e.g. Safe'n'Sound) insulation installed in open wall/ceiling cavities; drywall and decoupling extra.
Soundproof Insulation in Portland, Maine typically costs $1.47 to $3.43 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 Portland are 1.0% lower than the national average for soundproof insulation.
National average: $1.50 – $3.50 per sq ft
$1.25 – $2.92 per sq ft
Acoustic mineral wool batts sized for the cavity, friction-fit between framing members
$1.47 – $3.43 per sq ft
Acoustic mineral wool batts cut tight around boxes and pipes, gaps at plates sealed with acoustic sealant
$1.84 – $4.29 per sq ft
Acoustic mineral wool batts fitted tight, acoustic sealant at plates and penetrations, putty pads on electrical boxes
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.67 – $1.53 | sq ft |
| Labor | labor | $0.51 – $1.22 | sq ft |
| Supplies & Other | supplies | $0.17 – $0.41 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.27 | sq ft |
Connect with local soundproof insulation contractors in Portland for personalized quotes based on your specific project.