Telescopic lip hydraulic dock levelers are the most suitable solutions for places where high thermal insulation is required. The structure, consisting of lip, platform and frame, is made of RAL7016 painted galvanized steel sheet. The main platforms of the telescopic lip dock leveler are made of 8/10 mm thickness of drop pattern SD37 quality galvanized steel sheet. C and L shaped profiles are strengthened by welding to the main platform. The lips of the telescopic dock levelers are made of 12 / 13mm thickness of SD37 quality galvanized steel sheet with drop pattern. It is produced in accordance with EN 1398 norms. It can reach up to 640 mm above the loading area and up to 300 mm below the loading area.