Sectional Garage door 1,Galvanized steel,PU foam 2,Finger protection ... on the surface 4,Auto and manual 1. Sectional garage door feature: 1),Sectional garage door is widely used in everyone's ... device in case of power failure.2.Technical traits of sectional garage door: NO.NameSpecification1part NO.Boda-142open styleautomatic,manual, sectional3paneldoor ...