The Complete Garage Door Safety Inspection Checklist

Garage doors are the largest, heaviest moving mechanical systems in most homes — a typical two-car door weighs 200–400 pounds. The Consumer Product Safety Commission (CPSC) estimates that garage door injuries send approximately 30,000 people to emergency rooms annually in the United States. Most of these injuries are preventable with proper maintenance and functioning safety features.

A once-per-year safety inspection — taking about 30 minutes — catches developing problems before they cause injury or property damage. This checklist covers every critical component.

This test verifies that the door will reverse before crushing an object in its path. Federal law has required this feature since 1993.

Test 1 — Mechanical auto-reverse: Place a 2×4 flat on the ground directly under the center of the door. Close the door. When the door contacts the board, it should immediately reverse direction. If it doesn’t reverse within 1–2 seconds of contact, the force sensitivity needs adjustment — or the door should not be used until repaired.

Test 2 — Photo-eye auto-reverse: With the door fully open, press the close button. While the door is moving downward, wave your hand or leg through the photo-eye beam (below the sensor level, near the ground). The door should reverse immediately upon breaking the beam. If the door continues closing after the beam is interrupted, the sensors are not functioning — do not use the door until repaired.

Note: Never touch, adjust, or attempt to repair springs yourself.

• Torsion spring: Inspect visually from a distance. Look for a visible gap between coils (indicating a break), uneven coil spacing, significant rust or corrosion, or any deformation. A broken torsion spring will have a clear separation between coils somewhere along its length.
• Extension springs: Look for stretched or elongated coils, visible fraying of the spring wire, and — most importantly — verify that safety cables are installed through the center of each spring.
• Any sign of spring damage requires professional service before the door is operated further.

• Pull the red emergency release cord to disconnect the opener.
• Manually lift the door to waist height (approximately 3–4 feet) and release it carefully.
• A properly balanced door will stay in place or move only slightly.
• If the door falls toward the floor, the springs have too little tension.
• If the door rises toward the ceiling, the springs have too much tension.
• Either condition requires professional spring adjustment. An unbalanced door strains the opener motor and is more likely to cause injury.
• Reconnect the opener after testing.

• Opener light: Verify the light works. Replace any burned-out bulb with an LED rated for enclosed fixtures.
• Wall button: Verify the wall button operates the door from both directions.
• Manual release: Verify the red emergency release cord is accessible and moves freely.
• Limit settings: The door should stop cleanly at full open and full close without slamming. If the door hits the floor hard or doesn’t reach its full open position, limit adjustment is needed.
• Force settings: The door should reverse if you apply upward pressure with your hands while it’s closing. If it doesn’t reverse when you push up, the close force is set too high — a safety issue.

• No panel damage (dents, cracks, separated seams) that could affect structural integrity or weathertight sealing.
• Paint or finish in good condition — significant rust, fading, or peeling should be addressed before it penetrates the substrate.
• All exterior hardware (handles, decorative hardware) properly secured.