Basic
$3.26 – $6.51 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a two-coat acrylic elastomeric topcoat

Spray polyurethane foam (SPF) roof with elastomeric topcoat on a low-slope roof, materials and labor per sq ft; tear-off and deck repair extra.
Foam Roof in Boston, Massachusetts typically costs $3.83 to $7.66 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 Boston are 14.0% higher than the national average for foam roof.
National average: $3.50 – $7 per sq ft
$3.26 – $6.51 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a two-coat acrylic elastomeric topcoat
$3.83 – $7.66 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a silicone elastomeric topcoat and embedded granules
$4.79 – $9.57 per sq ft
About 1-1/2 in. spray polyurethane foam (around R-9) with a thicker silicone topcoat, embedded granules and walkway pads at access points
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1.57 – $3.15 | sq ft |
| Labor | labor | $1.56 – $3.10 | sq ft |
| Supplies & Other | supplies | $0.42 – $0.85 | sq ft |
| Equipment & Disposal | equipment | $0.28 – $0.56 | sq ft |
White coated foam roof seen from above on a flat-roofed building
Photo: Roof Repair Today · CC BY-SA 4.0 · Source
Find a pro to do thisLabor costs in Boston run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local foam roof contractors in Boston for personalized quotes based on your specific project.