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Resources & Technical Library Thermal Resistance

R-Values, K-Factors and Panel Thickness Tables

Please refer to our panel thickness table below to determine the thermal resistance (R-value) and K-factor relating to specific panel thickness requirements. PermaTherm can manufacture panels up to 12 inches thick!

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.

For questions about our panel thickness tables, please call our team or fill out our short contact form, and we’ll get back to you as soon as possible. Let us design a thermally resistant, high-performance package for your building!

PermaTherm
269 Industrial Park Road
Monticello, GA 31064

Phone
Fax (706) 468-7510
email info@permatherm.net