A multitude of options including reinforcing struts movable center posts and motor operation allow these insulated heavy duty doors to be used in a variety of commercial and industrial.
													
																	Overhead door corporation model 426 series. 
									
	
		
	
																	Overhead door model 426 commercial sectional door is a heavy duty insulated door with polystyrene insulation for extra durability and thermal efficiency for applications with loading docks and warehouses. 
																	Aluminum glass door model 521 is a sectional aluminum door a ppropriate for environments where maximum light infiltration and or visual access is required. 
																	A multitude of options including reinforcing struts movable center posts and motor operation allow these insulated heavy duty doors to be used in a variety of commercial and. 
																	24 1 24 gauge galvanized steel exterior. 
															
													
									
	
		
	
																	A multitude of options including reinforcing struts movable center posts and motor operation allow these insulated heavy duty doors to be used in a variety of commercial and industrial. 
																	The model 426 is a 24 gauge door available in sizes up to 28 2 8585 mm in width and 24 1 7341 mm in height and is offered in white or industrial brown. 
																	26 gauge galvanized steel interior. 
																	Sectional steel door model 430 is available in sizes up to 20 2 6147 mm in width and 16 1 4902 mm in height for a variety of medium duty applications. 
															
													
									
	
		
	
																	The 426 series is a 24 gauge door available in sizes up to 28 2 in width and 24 1 in height 8585 mm and 7341 mm and is also offered in industrial brown.