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Thermal Resistance for Structural Insulated Panels

Thermal Resistance for Structural Insulated Panels

Panel Thickness

R-Value

K-Factor

2 in.

8.34

0.24

3 in.

12.51

0.24

4 in.

16.68

0.24

6 in.

25.02

0.24

8 in.

33.36

0.24

10 in.

41.70

0.24

12 in.

50.04

0.24

* All values are calculated using core material of Type 1 (1 lb. Density) EPS Foam. Greater values can be reached with higher density foam which is available.