Garage doors are usually the the largest moving piece of machinery in your home, with an average size of a two car door being 16′ wide and 7′ high. So it should be no surprise that; regardless of the type of material used, they will be heavy.
That’s why there are springs and a counter balance system to take all that weight, and make it easy for you or your Garage Door Openers to handle easily. However, springs do break and/or relax over time, making the doors feel heavier. The second problem with "heavy" doors involves your opener. Stripped gears are often caused by this type of problem.
If your springs are broken or nearing the end of their useful life; consider replacing them. Springs are rated on "cycles" (open & close) and most "Builders Grade" springs are rated at 10,000 cycles and will last (depending on use) about 3-5 years. Precision springs are powder coated spring rated at 33,000 cycles.
If your door is starting to feel heavy, it’s a good idea to have maintenance done about once a year. Have a professional check for proper spring tension, the condition of your entire system, and replace or adjust them if needed.
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