Spray Foam Insulation Cost
Spray foam insulation provides both insulation and air sealing in one application, making it the most effective solution for energy efficiency. Closed-cell foam achieves R-6 to R-7 per inch of thickness.
Low Estimate
$3,000
Mid-Range
$8,000
High End
$20,000
Avg ROI
60%
Interactive Cost Estimator
Mid-grade materials, good quality fixtures, standard options.
Estimated Total Cost
$8,000
Based on 200 sq ft at mid quality. Actual costs vary by location and contractor.
Cost Breakdown
Approx. $4,400 at mid-range pricing
Approx. $3,600 at mid-range pricing
Labor-heavy projects (with high labor costs) benefit most from getting multiple contractor bids. You can save on materials-heavy projects by sourcing materials yourself at contractor pricing.
What Affects the Price
- 1Open-cell vs closed-cell
- 2Square footage
- 3Application area (attic, crawlspace, walls)
- 4Vapor barrier needs
- 5R-value requirements
Popular Upgrades
- Closed-cell for maximum R-value
- Attic ceiling application
- Rim joist sealing
Discuss upgrades with your contractor before finalizing the quote. Some upgrades are cheaper to include during initial construction than to add later.
DIY vs. Hire a Pro
Professional installation strongly recommended.
DIY Advantages
- • Save 55% on labor costs ($4,400 at mid-range)
- • Control over timeline and material selection
- • Satisfaction of completing the project yourself
- • Flexibility to work in phases
Pro Advantages
- • Guaranteed workmanship and professional finish
- • Proper permits and code compliance
- • Access to trade pricing on materials
- • Required for safety and code compliance
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