Spray Foam U-Value Calculator
Introduction & Importance
Spray foam’s U-value is crucial for energy efficiency. Learn how to calculate it here…
How to Use This Calculator
- Enter the thickness of the spray foam.
- Enter the R-value of the spray foam.
- Click ‘Calculate’.
Formula & Methodology
The formula for U-value is U = 1 / R. Our calculator uses this…
Real-World Examples
| Thickness (in) | R-Value | U-Value |
|---|---|---|
| 1 | 6.5 | 0.1538 |
Data & Statistics
| Material | R-Value |
|---|---|
| Open-cell spray foam | 3.5 – 3.6 |
Expert Tips
- Always use the correct R-value for your specific foam.
- Consider other insulation methods for best results.
Interactive FAQ
What is R-value?
R-value is a measure of thermal resistance…
Energy Savings – U.S. Department of Energy
Insulation – U.S. Environmental Protection Agency