Sectional Doors   LIRTEK Sectional doors can be functionally used on all buildings types. These sectional doors offer insulated and safe environment for commercial and industrial applications. This patented product demonstrates that an overhead door no longer needs to weak link in the energy-efficient building. Outstanding insulation capability is combined with the characteristics of unusual rigidity, strength, ease of installation and long life all of which make LIRTEK sectional doors truly superior from the similar sectional doors.    Features Door seating choices to meet building design requirements Door sizes up to 10,000mm width and up to 6,000mm height. Insulated, acrylic, PC, with tempered or laminated glass windows are available. Both skins are also hot-dipped galvanized steel for further protection against corrosion. Solid polyurethane core provides max. thermal efficiency and adds to quiet operation and strength. Pre-painted (white polyester finish) inner and outer skins Standard joint seal prevents air infiltration and saves energy The patented unitized body design with struts that increase the strength of the section and prevents the    door from gusting winds and keep each section true Operated manually in case of power failure. Pneumatic safety system (it automatically reverses a closing door direction or stops an opening when    the bottom of the door encounters an obstruction.)   Options  Remote-control or button activated, security control systems and motion detector, photocell, or induction     loop . Different color alternatives Safety photocell systems Torsion spring safety device Requested amount of windows are available Broken cable device