Open Cell Spray Foam Allenstown NH | Smooth Construction Services

Open Cell Spray Foam in Allenstown, New Hampshire

Open cell spray foam insulation in Allenstown, New Hampshire provides excellent air sealing and thermal performance at a lower cost than closed-cell foam. With an R-value of R-3.7 per inch and outstanding sound dampening, it is the ideal choice for interior wall cavities, attic ceilings, and cathedral ceiling assemblies in Allenstown area homes and commercial buildings.

Why Choose Smooth for Open Cell Spray Foam in Allenstown

✓R-3.7 per inch — good thermal value at lower cost
✓Expands 100x — fills every gap, crack, and irregular cavity
✓Outstanding soundproofing for interior walls and floors
✓Vapor-permeable — works with proper moisture management in Allenstown's climate
✓Energy-efficient installation for qualifying Massachusetts homeowners
✓Faster installation than closed-cell — most projects completed in one day

Also Serving Nearby Merrimack Communities

Boston Salem Cambridge Quincy Somerville

Energy Efficiency Review

Up to 100%

For qualifying Allenstown homeowners

Also in Merrimack

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FAQ

Open Cell Spray Foam Allenstown NH — Common Questions

In Allenstown and surrounding communities, open cell spray foam typically costs $0.44–$0.65 per board foot installed. A typical attic or wall cavity project runs $1,500–$5,000 before energy-efficiency improvements. Call 857-214-2434 for a free, site-specific estimate.

Open cell foam is the right choice for interior wall cavities, attic roof deck applications (conditioned attic), and interior floor assemblies in Allenstown area homes. For basements, crawl spaces, and rim joists in Allenstown's cold climate, closed-cell foam is the better choice.

Massachusetts requires a minimum of R-49 in attics. Open cell foam achieves R-3.7 per inch — requiring approximately 13 inches to meet code. Given Allenstown's cold winters with high heating demands, we typically recommend installing to R-49 to R-60 for maximum energy savings.

Yes. As a certified energy efficiency contractor, Smooth helps Allenstown homeowners access incentives covering 75–100% of qualifying insulation projects. We handle all paperwork.

Free Estimate — Open Cell Spray Foam in Allenstown, NH

Response within 2 hours. Project scope reviewed. Serving Allenstown and all Merrimack communities.

Open Cell Spray Foam Allenstown, NH