Vertical sliding door lifting industrial sectional doors on China WDMA on China WDMA bifold A:It depends on the size

A:It depends on the size of each profile

Aluminum windowa shtuter use the central motor

package for the same size with big quantity to reduce the cost

Construction:Non-Thermal Break

Vertical sliding door lifting industrial sectional doors on China WDMA on China WDMA bifold A:It depends on the sizeProduct Description Vertical sliding door lifting industrial sectional doors model Sectional door Door panel size range Up to 10m*9m Door thickness 40mm2 surface Polyester treatment, color is white gray, silver gray, other track Available in 2", all made of 2mm thick hot dip steel, with standard rail, low rail high lift rail, vertical lift rail and sloping lift rail. Balance system External torsion spring balance system, the working life of the