Door Panel 
                                  - Lightweight, weighing only 17kg per square meter, is easy to open, operates smoothly and allows for safe passage of personnel and damage free equipment. The overall panel thickness is 1 7/8" (4.7cm), the skin thickness is  1/4" (0.6cm) thick and the door can be sized up to a 10' x 10' (304cm x 304cm). Cross-linked polyethylene outer skin retains it properties to -40o F (-40o C).  
                                  Insulated Core  
                                  - The foamed-in-place Non-CFC urethane core (permanently bonded to the outer surface) does not break down when impacted, provides noise control and excellent insulation with an R factor of 10.83.  
                                Internal Reinforcement 
                                  - The leading and back edge of door are internally reinforced with tubular steel to strengthen the door panel.  
                                Gasketing 
                                  - USDA accepted durable gasketing is factory applied without the use of metal strips or fasteners, making it easy to replace in the field.  
                                Upper Hinge 
                                  - Double-acting V-Cam hinging system operates smoothly and is virtually maintenance free with its permanently lubricated needle bearing roller assembly. Optional stainless steel hinge is available.   
                                Bottom Hinge 
                                  - The bottom hinge attaches to the internal steel reinforcement and is constructed with a ductile iron, powder coated hinge shaft for traditional strength and durability.  
                                Window 
                                  - 1/8" (3mm) thick polycarbonate window with black aluminum frame is recessed a minimum of  1/8" (3mm) from the face of the panel to protect the window's surface from abrasion caused by passing loads.   |