Author name: Jayson

Direct Answer: A commercial roll-up door chain hoist becomes difficult to pull or sticks due to loss of internal barrel spring counterbalance, debris or damage inside the guide tracks, dry gear sprockets, or curtain slat misalignment. Routine lubrication of exposed gears helps, but spring tension loss requires immediate professional service. CRITICAL SAFETY WARNING: Commercial rolling […]

Direct Answer: A garage door torsion spring snaps due to metal fatigue caused by reaching its maximum cycle lifespan, temperature fluctuations, rust, or improper balancing. When a spring breaks, the door loses counterbalance support, making it extremely heavy and dangerous to operate. A certified garage door technician must replace it. SAFETY WARNING: Garage door torsion