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The Dasma Thermal Performance Verification is a program that certifies the thermal performance of sectional doors. U-factor ratings tests the entire installed assembly whereas R-value is calculated for only a portion of section insulation.
3-Inch EnergySaver
Polystyrene
Insulation
.15
U-Factor
![](https://cdn.prod.website-files.com/617c34d7fd39c61c4f28d18f/645a6de6836c0e0f7e7e5c2f_Checkmark%20PNG.png)
Exterior Steel:
25 gauge
Interior Steel:
25 gauge
Frame:
Thickness:
3-inches
Glass:
Rails:
Warranty:
10 Years
R-Value:
17.0
Plain Steel:
2-Inch EnergySaver
Polystyrene
Insulation
.22
U-Factor
![](https://cdn.prod.website-files.com/617c34d7fd39c61c4f28d18f/645a6de6836c0e0f7e7e5c2f_Checkmark%20PNG.png)
Exterior Steel:
25 gauge
Interior Steel:
25 gauge
Frame:
Thickness:
2-Inches
Glass:
Rails:
Warranty:
10 Years
R-Value:
9.25
Plain Steel:
Spec Sheets