trong in Construction for reliable performance, the insulated sectional Aluminum / steel-back door, is perfect for commercial and industrial applications. Three-layer sandwich construction with inner and outer Aluminum / galvanized steel provides durability and reliability.   
 Panel thickness:
 Steel: Available in 40mm, 42mm and 45mm,
 Aluminium: 42mm and 51mm
 Maximum Size     7000mm W & 7000mm Height
 
 Track System: 2" and 3" track available in Standard Lift, High lift and Full vertical, low headroom, and follow roof line options
 Available Options: Wind load options; Electric operator; Chain hoist, Photocell, Remote, Bottom-sensing edge , Window Glazing Options