Garagen-Sektionaltor

Features: 1) Thickness: 40mm or 50mm 2) Door plank is color steel, galvanized iron and PU. The function of insulating is nice. The coefficient of heat insulation r=16.04 r=20.15 3) The U tube rubber of the sealing of the top and side facer endures the cool. Good in closing and can suitable the ground that is not smooth, prevent the wind and rain 4) All the metal tightening part is made of zinc-paling steel plank, high intensity. Antirust twisted spring can be used for more than 100,000 times 5) Advanced infrared ray protection device and safety protection device Packing: carton