Simple and durable. Steel ballast is used to counter the weight of the door. The door goes up and the weights come down. The door goes down and the weights go up. An enclosure on one side of the door guides a series of weights. These weights are connected to the door by a cable through a series of pulleys. This is the Hanover Lift System.

High quality residential doors are supplied by RICHARD WILCOX.
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We offer the highest quality "weight counter balanced" overhead doors anywhere. The lift system for these doors can be purchased with the door or separately for almost any size door whether the application is standard or for a very special application. These lift systems are long lasting and require low to no service. We send these doors and (or) lift systems almost anywhere in N. America. As well, we "Distribute", (in Manitoba), high quality, economical torsion spring Richards-Wilcox overhead door products.
Richards-Wilcox Doors