Open Cell Spray Foam South Hampton NH | Smooth Construction Services

Open Cell Spray Foam in South Hampton, New Hampshire

Open cell spray foam insulation in South Hampton, 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 South Hampton area homes and commercial buildings.

Why Choose Smooth for Open Cell Spray Foam in South Hampton

✓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 South Hampton's climate
✓Energy-efficient installation for qualifying Massachusetts homeowners
✓Faster installation than closed-cell — most projects completed in one day

Also Serving Nearby Rockingham Communities

Salem Derry Londonderry Portsmouth Exeter

Energy Efficiency Review

Up to 100%

For qualifying South Hampton homeowners

Also in Rockingham

▸ All Services in South Hampton ▸ Open Cell Spray Foam Overview ▸ All Service Areas

FAQ

Open Cell Spray Foam South Hampton NH — Common Questions

In South Hampton 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 South Hampton area homes. For basements, crawl spaces, and rim joists in South Hampton'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 South Hampton's cold winters with high propane costs, we typically recommend installing to R-49 to R-60 for maximum energy savings.

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

Free Estimate — Open Cell Spray Foam in South Hampton, NH

Response within 2 hours. Project scope reviewed. Serving South Hampton and all Rockingham communities.

Open Cell Spray Foam South Hampton, NH