The Anatomy of a Garage Door: Every Part, Explained
Springs, cables, rollers, hinges, tracks, openers — what each part does, what wears out first, and what you can safely check yourself before calling a tech.
Read the guideForty-seven years of garage door work, distilled into honest guides. Written by the people who actually fix the doors — not a marketing team.
Every article on this page is written by — or with — a Metro Garage Doors technician. We've been repairing and installing residential and commercial garage doors across Atlanta since 1979, and the guides below come straight out of the questions our techs get asked on every driveway in metro Atlanta: How heavy is this door, really? Should I replace the opener or just the logic board? Why does the door bounce back up when it tries to close?
Our goal isn't to fill a content calendar. It's to help homeowners do three things: (1) understand what's actually happening with their door so they're not at the mercy of a sales pitch, (2) safely handle the few problems that genuinely are DIY-fixable, and (3) know when to call a real garage door tech — and what a fair quote looks like when they do.
If you'd rather skip the reading and just have a Metro tech come out, we're at (770) 526-1214 seven days a week, and most repairs are completed same day. Otherwise — read on.
Springs, cables, rollers, hinges, tracks, openers — what each part does, what wears out first, and what you can safely check yourself before calling a tech.
Read the guide
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If reading the article didn't solve it, we're 30 minutes away. Same-day service across metro Atlanta, family-owned since 1979.