Spring-in-spring – optimal tension springs for garage doors
Springs are a vital part of the perceived quality of a sectional overhead garage door. If door springs are not well balanced, the door does not run smoothly. Spring technology is a complex part of the sectional overhead garage door and a combination of factors determine the quality, life span and functioning of a spring.A fruitful partnership Alcomex, part of the Lesjöfors’ Group is a highly specialized leading supplier to the door spring market in Europe. One of Alcomex’s customers is ConDoor, a major producer of insulated overhead doors for industrial and residential buildings