Garage Door Spring Repair, Castle Rock

How We Fix It

A broken torsion spring means the door won't lift, or it slams down when you try. We don't patch a spring - we replace it, and on most jobs we replace both springs on the bar even if only one let go, because the second one is usually close behind on wear. We measure the wire gauge, the coil length, and the drum size off the existing hardware rather than guessing from the door's age, since a lot of the 1980s and '90s builds across this service area have had a door swapped out at some point without the spring sized to match. If the door is an extension-spring setup instead of torsion - more common on the older end of the 1938-2005 build range - we check the safety cables are actually present before we touch anything, because a lot of older installs never had them added. We also check cable fraying, flat spots on the rollers, and the bottom bracket while we're in there, since a spring failure under load has usually been stressing those parts too. One honest limit: if the drums or torsion tube are bent from the spring letting go violently, that's a hardware repair on top of the spring, not a spring swap alone, and we'll tell you that before we quote it.

How Long It Takes

Spring replacement is a same-visit repair once we're on site and have the right spring in the truck - it's not a multi-day teardown. The time sink is matching the spring to the door correctly, not the swap itself. Doors from the 1990s median build year in this area often carry original hardware, which means wire gauges and drum sizes that aren't always what a parts house stocks as standard, so we carry a working range rather than one-size stock. If a door has had a non-matching replacement spring installed at some point (common after a DIY fix), that mismatch is usually what caused the premature failure, and we'll flag it rather than just put in another wrong one.

How It Shows Up

Most people call us because the door stopped dead halfway up, or it came down fast and hit the floor hard instead of settling. Some notice it earlier: the opener straining and grinding on doors that used to lift quiet, or a visible gap in the coil when you look at the spring above the door. On older extension-spring doors, the failure is louder - the spring itself can separate with a bang. On torsion setups, it's quieter but just as disabling: the door becomes dead weight, and trying to force it by hand is how people hurt a hand or a back. If your opener is still trying to lift with a broken spring, turn it off at the wall before you call anyone - running the motor against full door weight is how you burn out the opener next.

Why It Happens Here

Housing in this service area runs from 1938 to 2005, with the bulk of stock from the 1980s and '90s spread across the named communities here, and that generation of torsion springs is now old enough that fatigue failure is routine rather than rare - springs are rated in cycles, not years, and a 30-plus-year-old spring on a daily-use door is well past its expected life regardless of how it looks. The cold climate band this area sits in adds to it: steel contracts in sustained cold, and a spring that's already near the end of its cycle life is more likely to snap on a cold morning than a mild one, which is why January and February are heavier call months than July. Across the 40,285 owner-occupied houses in this service area, a lot of garages are also unheated, so the spring sees the full outdoor swing every day rather than a buffered indoor temperature. None of that means every call is a spring - a dead opener board or a misaligned track can mimic the same symptoms - but it explains why spring failure specifically clusters here the way it does.

Frequently asked questions