What are the thermal factors for Steelcraft door products?

All doors are tested in accordance with ASTM C1363 and SDI 113:

B18 Series (Steel Stiffeners)     U-Factor = 0.50     R-Value = 2.01

B16 Series (Steel Stiffeners)     U-Factor = 0.53     R-Value = 1.89

L18 Series (Honeycomb)          U-Factor = 0.56     R-Value = 1.80

L18 Series (Polystyrene)           U-Factor = 0.38     R-Value = 2.64

L18 Series (Polyurethane)         U-Factor = 0.36     R-Value = 2.81

L16 Series (Honeycomb)           U-Factor = 0.57     R-Value = 1.74

L16 Series (Polystyrene)            U-Factor = 0.39     R-Value = 2.54

L16 Series (Polyurethane)          U-Factor = 0.38     R-Value = 2.67

CE18 Series (Polystyrene)          U-Factor = 0.41     R-Value = 2.44

H16 Series (Honeycomb)           U-Factor = 0.60     R-Value = 1.67

H16 Series (Polystyrene)            U-Factor = 0.42     R-Value = 2.36

A14 Series (Honeycomb)           U-Factor = 0.78     R-Value = 1.28


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