The 391 Series
has polystyrene insulation (R-Value 9.38), providing an attractive energy efficient door with superior structural rigidity.  Interior and exterior surfaces of the door are hot-dipped galvanized steel, coated with a baked-on polyester top coat paint for maximum protection against rust.  Models 391 and 394 are available with a white, almond or brown exterior finish.  Model 399 is available in white or almond.  A PVC, bulb-type bottom weatherseal enhances the door's superior thermal efficiency and protects against wind and rain infiltration.