Installing spray foam insulation in Marietta, OH typically ranges between $1.00 to $2.25 per board foot depending on the foam type, job size, and installation complexity. Closed-cell spray foam usually costs more than open-cell, and specialized applications like pole barns or agricultural buildings can affect the price based on accessibility and preparation requirements.
Most residential projects fall between $2,500 and $6,000, depending on the square footage and foam type. Ohio Valley Spray Foam provides insulation services optimized for Marietta’s seasonal humidity and fluctuating temperatures. This guide outlines cost factors, compares options, and presents real-world insights based on professional installation experience.
| Foam Type | Average Cost per Board Foot | R-Value per Inch | Common Use Areas |
|---|---|---|---|
| Open-Cell Foam | $1.00 – $1.25 | R-3.5 to R-3.8 | Attics, walls, interior partitions |
| Closed-Cell Foam | $1.75 – $2.25 | R-6 to R-7 | Basements, exterior walls, metal buildings |
Bonus Tip: Closed-cell foam adds structural strength and a moisture barrier, making it ideal for Marietta’s wet spring seasons.
Labor costs in Marietta typically range from $0.65 to $1.00 per board foot. Prep work, including ventilation, masking, and substrate inspection, directly impacts time and cost.
| Specification | Open-Cell Foam | Closed-Cell Foam |
|---|---|---|
| R-Value per Inch | R-3.5 to R-3.8 | R-6 to R-7 |
| Expansion Rate | 100:1 | 30:1 |
| Moisture Resistance | Low | High |
| Vapor Barrier | No | Yes |
| Sound Dampening | High | Moderate |
| Density | ~0.5 lb/ft³ | ~2 lb/ft³ |
Marietta’s four-season climate and high humidity levels in spring and summer make closed-cell spray foam a more effective choice for exterior walls and basements. Open-cell foam works well in interior walls and attic spaces where vapor permeability isn’t a concern.
According to the U.S. Department of Energy, homes in climate zone 5 (which includes Marietta) benefit most from high R-value insulation to reduce HVAC loads and moisture issues.
Source: U.S. Department of Energy, Building America Climate Zone Map
| Building Type | Foam Type | Average Total Cost Range |
|---|---|---|
| Residential Home | Open-Cell | $2,500 – $4,000 |
| Residential Home | Closed-Cell | $3,500 – $6,000 |
| Pole Barn | Closed-Cell | $4,000 – $7,500 |
| Commercial Structure | Mixed | $5,000 – $12,000+ |
Source: 2024 Installation Data from Ohio-based insulation contractors
Bonus Tip: Always request detailed job scope including foam type, thickness, prep procedures, and cleanup protocols.
Closed-cell and open-cell spray foam can last over 30 years without degradation if installed properly.
Yes, though it may require removing drywall or using injection methods depending on the foam type and wall cavity access.
Once cured, spray foam is inert and safe. Proper ventilation must be used during installation.
Open-cell foam is effective at reducing airborne sound, useful in multi-room homes or apartments.
For project-specific pricing, site evaluations, and expert installation advice, contact Ohio Valley Spray Foam directly.
Ohio Valley Spray FoamPhone: (740) 629-9984 Email: [email protected]
A board foot is a volume measurement equal to 12″ x 12″ x 1″. Costs are calculated based on how much foam fills this volume.
Yes. Proper insulation in Marietta homes can reduce heating and cooling costs by up to 20%, based on DOE estimates.
Most residential spray foam projects are completed in 1 to 3 days depending on size and prep requirements.
Permit requirements vary by project. Closed-cell spray foam in basements or exterior walls may trigger inspection.
Some energy-efficiency rebates may apply under Ohio’s Home Energy Assistance Program (HEAP). Check with local utility providers.