Tilt Doors are fitted with springs on each the side of the garage door, usually one each side (some larger doors may have two springs each side) to balance the weight of the door to make it possible to open. These springs have a limited life(up to 16,000 cycles) and eventually break from metal fatigue.
There are 50kg and 75kg springs commonly used in New Zealand depending on the door weight,
The costs for replacing springs are depend on the door weight, it costs roughly from $250 to $450.
Author: Eden Garage Doors
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