Extension Spring Replacement in Boca Raton, FL
Extension springs run above the horizontal tracks on either side of the door and stretch — rather than twist — to store lifting energy. They’re common on older garage doors and lighter-duty installations.
Local context for Boca Raton
Like much of the humid South, Boca Raton sees long stretches of high humidity that accelerate rust on unmaintained springs and cause galvanized coatings to break down faster than in drier climates.
Extension spring systems use a spring mounted above each horizontal track that stretches as the door closes and contracts to help lift the door as it opens, working through a pulley-and-cable system that redirects the force downward to the door itself. This design was the standard for decades before torsion systems became more common, and it’s still found on many older homes and some lighter residential doors today.
Because an extension spring stores energy by stretching rather than twisting on a fixed shaft, a snapped extension spring can become a projectile if it isn’t restrained — which is exactly why safety cables (a thin cable that runs through the center of the spring, anchored at both ends) are considered essential on any extension-spring door. A door with extension springs but no visible safety cables is a real hazard and worth flagging to a technician even before a spring actually fails.
Extension Spring Replacement problems we see in Boca Raton
Storm-related track and cable misalignment
Seasonal storms in humid climates can jar tracks and cables out of alignment, adding uneven load to torsion springs on older or unrated doors.
Cable sheathing wear from heat and moisture
Long stretches of heat and humidity degrade cable coatings and stress spring-lubricant film faster than in temperate climates.
Door drops suddenly or closes too fast
A snapped or badly weakened extension spring can no longer control the door’s descent, causing it to fall faster than normal.
Rust or corrosion along the spring coils
Extension springs mounted near the tracks are exposed to more moisture and debris than shaft-mounted torsion springs, making corrosion a common failure driver.
Frequently asked questions
What garage door spring problems are most common in Boca Raton?
The most common issues we see reported in areas like Boca Raton are broken torsion springs, worn extension springs, and cable fraying near the spring drum — often tied to the local climate and age of the home's hardware.
How do I know if my garage door has torsion or extension springs?
Torsion springs are mounted on a horizontal shaft directly above the closed door. Extension springs run above the horizontal tracks on either side of the door, roughly parallel to the ceiling. If you see long springs running along the tracks rather than a single shaft above the door, it’s an extension system.
Are extension springs less safe than torsion springs?
Extension springs aren’t inherently unsafe, but they do carry a specific risk if safety cables are missing: a snapped extension spring under tension can become a projectile. With properly installed safety cables, extension systems are a well-established, functional design that’s simply less common on newer doors than torsion systems.