Garage Door Science

Inspection · Tool

Garage Door Inspection Tool

A 24-point walk-around for your garage door. Tap OK / Watch It / Fix It Now on each item. We'll email you a scored report — and if anything needs attention, a local pro near you. Prefer paper?

🎞️ Why bother? — 90-second animated walkthrough

A short story showing what a 24-point inspection catches — from the sound you heard Tuesday morning to the report in your inbox.

🎬 Quick diagnostics — tap a video to watch

Short field tips from a pro — quick diagnoses and common fixes you can try before the checklist below.

📐 See the parts of a garage door
Labeled anatomy of a garage door showing motorhead, springs, hockey stick, top roller, drum, cable, rollers, hinges, lock, and light sensor.

Not sure where something is? This diagram labels the key parts. The inspection checklist below walks you through checking each one.

Door info (optional)
Progress0 of 24 reviewed

Springs

Should be oiled and inspected for damage, rust, sagging, dirt, wear and tear.

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Drums

Check for excessive wear, damage, or cracking in the cable grooves.

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Cables

Not bent or frayed.

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Rollers

Wheels rotate freely, are free of cracking or damage.

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Hinges

Check for cracks, bends, and excessive wear (no black metal dust).

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Door Panels (interior)

No creases, tears or split panels.

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Track

Make sure track is properly spaced and door is not scraping the opening.

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Bottom Seal

Not cracked, ripped, or split.

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Bottom Bracket

Bolts are tight, cable is attached, roller is not bent.

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