commercial garage door,industrial door,factory door

commercial industrial door 1) Outside is zinc-plated steel planks; high performance and rustproof2) Thickness: 40/50mm

 Features:1) Outside is zinc-plated steel planks; high performance and rustproof2) Thickness: 40/50mm 3) Door is steel/polyurethane/steel construction4) Heat insulating coefficient: R=16.04, R=20.155) The U-tube rubber at the bottom along with the top and side seals are tight, keeping out wind, dirt and water6) All the metal tightening parts are made of zinc-plated steel 7) Twisted spring can be used for more than 100,000 times8) Glass window is made from toughened glass and organic glass9) Advanced infrared ray protection device and safety protection deviceOuter packing:Cartons

commercial garage door,industrial door,factory door