In 1954 the first up and over garage door was made these early garage doors were made from wood but as wood got more expensive metal doors were introduced.
Merlin garage door springs.
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My partner goes to work at 5 45 am and now i don t hear her leave when the garage door operates.
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The springs extend along the shaft and work by twisting as the garage door closes by means of cables attached to each side of the lowest garage door panel.
Garage door springs offset the weight of the door and allow it to open and close with ease.
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This tension makes it easier to lift the garage door from its closed position.
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Side mounted springs are long heavy springs mounted on each side of the upper garage door track.
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A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem.
Garage doors come in different styles that use two different types of springs.