6 min read Mike Johnson
Garage door springs are the unsung heroes of your garage door system. They do the heavy lifting.literally.counterbalancing the weight of your door so the opener can move it with minimal effort. Understanding how they work, how long they last, and when they need replacement can help you maintain a safe, functional garage door.
Your garage door is heavy.typically 130 to 350 pounds for a single door and up to 400 pounds or more for a double door. The springs store mechanical energy when the door is closed, then release that energy to help lift the door when opening. Without springs, your opener would need to lift the entire weight of the door, which would quickly burn out the motor.
Torsion springs are mounted horizontally above the garage door opening. When the door closes, cables attached to the bottom corners turn the spring, storing energy. When opening, the spring unwinds and releases that energy, helping to lift the door.
Torsion springs are the preferred choice for most modern garage doors because they: - Provide smoother, more controlled operation, Last longer than extension springs, Are safer when they fail (contained on the bar) - Put less stress on the door and hardware
Extension springs run along the horizontal tracks on either side of the door. They extend (stretch) when the door closes and contract when opening to help lift the door.
Extension springs are typically found on older or budget garage door systems. They: - Cost less than torsion springs, Are easier to install for professionals, Must have safety cables to prevent injury if they break, Don't last as long as torsion springs
Garage door springs are rated by cycles.one cycle equals one open and one close. Most standard springs are rated for 10,000 cycles, which translates to roughly 7-10 years of typical use.
If you use your garage door more frequently than average (multiple cars, using the garage as a workshop, etc.), your springs will wear out faster. High-cycle springs rated for 25,000 to 50,000 cycles are available and may be worth the extra investment.
Watch for these warning signs:
1. The door feels heavy: If your door feels heavier than usual or won't stay open on its own, the springs may be losing tension 2. Visible wear: Look for gaps in torsion springs or stretch marks and rust on extension springs 3. The door opens unevenly: If one side lifts before the other, a spring may be weakening 4. Loud bang: A broken spring makes a loud noise like a gunshot; if you hear this, your spring has broken 5. Door won't open: The most obvious sign.if the opener runs but the door won't budge, check the springs
We cannot stress this enough: garage door spring replacement is not a DIY project. Here's why:
Springs are under tremendous tension.enough to seriously injure or kill. A spring that breaks or releases unexpectedly can cause traumatic injuries. Even professionals who do this daily treat springs with respect.
Proper spring replacement requires winding bars, spring clamps, and other specialized tools. Using improvised tools is extremely dangerous.
Springs must be wound to exact specifications based on the door's weight. Too little tension and the door won't lift; too much and it can slam open uncontrollably. Both scenarios are dangerous.
Professionals know how to safely release tension, identify the correct replacement springs, and install them properly. This knowledge comes from training and experience you can't get from a YouTube video.
If you hear the telltale bang of a breaking spring or discover your door won't open:
1. Don't try to operate the door: Operating a door with a broken spring can damage the opener and is dangerous 2. Disconnect the opener: Pull the emergency release cord so the door can be opened manually if needed 3. Call a professional immediately: Broken springs should be replaced by experienced technicians
At Garage Door National City, our technicians are trained and equipped to safely replace garage door springs. We: - Carry common spring sizes in our trucks for same-day service, Use high-quality springs with proper cycle ratings, Offer high-cycle upgrade options, Test and adjust for proper balance and operation, Stand behind our work with a service warranty
If your springs are showing signs of wear or have already broken, don't risk injury by attempting DIY repair. Call us at (619) 609-0403 for fast, safe, professional spring replacement.