Spray polyurethane foam (SPF) is the most effective insulation technology available for New England homes and commercial buildings. It insulates and air-seals in a single application, creating a seamless thermal envelope that no other product can match.
Smooth Construction installs both open-cell and closed-cell spray foam throughout Boston, the North Shore, MetroWest, and all of New England. As a certified Mass Save contractor, we help qualifying homeowners access rebates that cover 75–100% of the project cost.
Open-cell spray foam (0.5 lb density) is a softer, semi-rigid foam that expands dramatically on application — up to 100 ...
Closed-cell spray foam (2 lb density) is the highest-performance insulation product available. Its rigid, dense structur...
Highest insulating value of any commercially available insulation product
Eliminates the separate air sealing step required with all other insulation types
Spray foam does not settle, compress, or degrade over time
Closed-cell foam acts as a Class II vapor retarder, protecting against moisture damage
Closed-cell foam increases wall racking strength by up to 300%
Most qualifying MA homeowners pay near $0 after rebates on eligible spray foam projects
We evaluate your attic, basement, walls, or crawl space and recommend open-cell or closed-cell based on your specific conditions and budget.
Spray foam equipment calibrated on-site. All surfaces masked and protected. Penetrations identified.
Two-component foam mixed at the gun and applied in layers to specified thickness. Off-gassing ventilation maintained throughout.
24-hour cure window before re-entry. R-value and coverage verified. Photo documentation provided.
Response within 2 hours. Mass Save® eligibility reviewed on every quote.
Get Free Estimate → 📞 857-214-2434Most MA homeowners qualify for 75–100% rebates on qualifying insulation and air sealing projects. We handle all paperwork.
Learn About Mass Save →Free estimate. Mass Save® eligibility reviewed. Response within 2 hours, Mon–Fri.