2023-12-28 7 min read
Garage doors are the largest moving objects in most homes, weighing anywhere from 150 to 400 pounds or more. While modern garage doors are engineered with safety in mind, it's essential for homeowners to understand the safety features of their doors and ensure they're functioning properly.
Since 1993, federal law has required all garage door openers sold in the United States to include certain safety features. Here's what you need to know about each one:
Photo-eye sensors are perhaps the most important safety feature on your garage door. These small devices are mounted on either side of the door, about 6 inches above the ground. They project an invisible infrared beam across the door opening.
How They Work: When you close your garage door, if anything breaks the beam.a child, pet, bicycle, or other object.the door automatically reverses direction. This prevents the door from closing on and potentially injuring someone or damaging property.
Common Issues: Photo-eye sensors can become misaligned, dirty, or damaged, causing the door to behave erratically or refuse to close. Regular cleaning and alignment checks can prevent these problems.
The auto-reverse mechanism is a backup safety feature that works even if the photo-eye sensors fail. When the closing door encounters an obstacle, it automatically reverses direction.
How It Works: Modern garage door openers include a force sensor that detects resistance. If the door encounters more resistance than expected while closing, it stops and reverses. This feature has saved countless fingers, hands, and other body parts from injury.
Testing: You should test your auto-reverse mechanism monthly by placing a 2x4 board flat on the ground in the door's path. When the door contacts the board, it should immediately reverse. If it doesn't, call a professional to adjust or repair your opener.
Every garage door opener includes an emergency release mechanism.typically a red cord hanging from the opener trolley. This allows you to disconnect the door from the opener so you can operate it manually during a power outage or if the opener fails.
Important Safety Note: Never pull the emergency release while the door is open unless you're certain the door will stay up on its own. A door with broken springs or balance issues could come crashing down, causing serious injury.
While not directly a physical safety feature, rolling code technology protects your home from break-ins. Every time you use your remote, the opener generates a new encrypted code. This prevents thieves from capturing and replaying your signal to gain access to your garage.
Regular testing ensures your safety features are working properly. Here's how to test each one:
1. Open your garage door completely 2. Place an object (like a cardboard box) in the path of the sensors 3. Press the close button on your opener 4. The door should reverse immediately after starting to close
If the door doesn't reverse, check that the sensors are clean and properly aligned (the indicator lights should be solid, not blinking). If problems persist, call a professional.
1. Open your garage door completely 2. Place a 2x4 board flat on the ground in the center of the door opening 3. Press the close button on your opener 4. When the door contacts the board, it should immediately reverse
If the door doesn't reverse or applies significant pressure before reversing, the force settings need adjustment. This should be done by a professional.
1. Close the garage door 2. Pull the emergency release cord to disconnect the opener 3. Manually lift the door to about waist height 4. Let go of the door
A properly balanced door should stay in place, perhaps slowly drifting up or down. If it falls quickly or shoots up, the springs need adjustment.call a professional immediately.
Beyond testing safety features, follow these guidelines to keep your family safe:
Educate Children: Teach children that the garage door is not a toy. They should never play near a moving door, attempt to race under a closing door, or hang on the door handle.
Keep Remotes Secure: Treat your garage door remote like a house key. Don't leave it in an unlocked car, and consider using a keychain remote rather than a visor clip.
Maintain Clear Sight Lines: Don't operate your garage door if you can't see the entire door area. Someone could be in the path without you knowing.
Never Leave the Door Partially Open: A partially open door is easier for an intruder to access and could be dangerous if it unexpectedly falls.
Schedule Annual Maintenance: Professional maintenance includes safety checks, lubrication, and adjustments that keep your door operating safely.
Call a garage door professional if you notice:
- Photo-eye sensor lights are blinking or off, The door doesn't reverse when it should, Strange noises during operation, The door moves unevenly or appears unbalanced, Any visible damage to safety components
Garage door safety features have prevented countless injuries since they became mandatory. By understanding how these features work and testing them regularly, you can ensure your garage door remains safe for your entire family. If you have any concerns about your garage door's safety, don't hesitate to contact us for a professional inspection.