350S Therma Series™
Northwest Steel Overhead Door
Rugged and beautiful, these doors are designed to have a sleek and appealing appearance with great weather resistance. Made with a sandwich type construction, steel outer skins are formed and then pressure bonded to a polystyrene core giving the door maximum strength, a natural thermal break, and superior insulating efficiencies.
3 Insulation Options Available
5 Window Options Available
3 Glass Options Available
1 Color Option Available
8 Track Styles Available
