
For construction professionals, accurately estimating underfloor insulation costs is crucial. The cost typically ranges from $3.25 to $6.75 per square foot, depending on materials, labor rates, and site conditions. For a 1,400 ft² project, expect total costs between $4,550 and $9,450. Staying updated with real-time pricing is essential to avoid overestimating costs.
Material Type: Fiberglass is cost-effective, while mineral wool and spray foam offer better performance at higher costs.
Access Conditions: Difficult access increases labor costs.
Complexity: More complex assemblies require additional labor.
Regional Labor Rates: Costs vary by location.
Code Requirements: Higher R-values increase material costs.
Utilize tools like real-time pricing feeds and local labor rate databases to ensure accurate estimates. Consider hybrid systems to balance cost and performance.
Fiberglass Batts: $3.25 – $4.10/ft²
Mineral Wool Batts: $4.40 – $5.25/ft²
Closed-Cell Spray Foam: $5.80 – $6.75/ft²
Professional installation ensures compliance and performance, reducing long-term costs and enhancing resale value.
Proper insulation can increase home value and reduce energy costs, offering a significant return on investment.
For precise cost estimates tailored to your project, visit CountBricks.com.

A Portland client reduced costs by 18% by optimizing material use and scheduling during low-demand periods. This approach maintained performance while lowering expenses.
From estimation to invoicing, our workflow ensures accuracy and efficiency, keeping projects on track and within budget.
Visit CountBricks.com for accurate, up-to-date insulation cost estimates.