Garage Door Safety When There Are Kids In The House

Two tests, five minutes, tonight, no tools and no cost. First, start the door closing and break the beam between the two photo eyes near the floor with a broom handle. The door should stop and reverse immediately, before it touches anything. Second, lay a two by four flat on the floor in the door's path and close the door onto it. The door should hit the wood, stop, and reverse. If it pushes through, hesitates, or sits there pressing down, the door is not safe around a child.

Those two tests check two separate systems, which is the part most people miss. One stops the door before contact. The other stops it after contact. A door needs both, and it is common to find houses where one of them has quietly been switched off.

Test one, step by step: the photo eyes

This checks the non contact system, the one meant to catch a child in the doorway before the door ever reaches them.

1. Clear the doorway and put the car outside, then stand to the side of the opening rather than in it
2. Press the wall button to start the door closing
3. Once it is moving, pass a broom handle through the beam about a foot above the floor, never a hand, a foot, or a child
4. The door should stop and reverse the instant the beam breaks, and travel all the way back to fully open
5. If it keeps closing, stops without reversing, or reverses only partway, stop using the opener until it is corrected

While you are down there, check that both eye brackets sit within six inches of the floor and that both indicator lights are steady rather than blinking. Eyes knocked out of alignment by a bike or a trash can are the most common cause of a door that will not close, and straightening the bracket by hand is a fair do it yourself job.

Test two, step by step: the two by four on the floor

This checks the contact system, the force reversal built into the opener. It is the backstop for anything the eyes miss, including an object low enough to sit under the beam.

1. Lay a two by four flat on the concrete, wide face down, roughly centered under the door
2. Press the button to close and stand well clear of the door
3. The door should contact the wood, stop, and reverse back to open within about two seconds
4. If it pushes down on the wood, grinds against it, or stalls and sits there, the door fails and should not be used until it is corrected

Flat side down matters, because it gives an obstruction about an inch and a half tall, which is the standard rough check. Know too that a door can fail this test with correct force settings. An unbalanced door, a hardened bottom seal, or a close limit set past the floor all make the opener push harder at the bottom of travel. The fix then is balance and limits, not force.

Why two independent systems are required, not one

Since 1993, residential garage door openers sold in this country have had to include an external entrapment protection system in addition to the opener's own force reversal. In practice that means photo eyes, mounted no higher than six inches above the floor. Six inches is not arbitrary. It is low enough to catch a child lying down, crawling, or reaching under a closing door, which is the case the requirement was written for.

The two systems fail differently, which is why both exist. Photo eyes get misaligned, dirty, sun blinded, or taped together by somebody tired of nuisance reversals. Force reversal gets defeated by turning the setting up. If either one is compromised, the door runs on a single layer of protection and nobody can tell by looking at it.

Why turning up the close force deletes your backstop

The force setting tells the opener how much resistance to accept before deciding it hit something. When a door starts reversing for no obvious reason, the fastest thing anyone can do is turn that setting up, and the reversing stops. That feels like a repair. What it did was raise the threshold so the opener now pushes through whatever it meets, which includes a pet, a bicycle, and a child.

Nuisance reversals almost always have a mechanical cause and a mechanical fix. A bottom seal hardened by cold makes the door land stiffly, and the first cold morning of the year fills the phone with these. A sticky roller grabs at one point in travel. A close limit set past the floor keeps the opener pushing after the door has landed. A shifted slab leaves a wedge of daylight at one end. Find the cause, fix it, and the door closes on the original setting.

Where the wall control goes, and why a remote is not a toy

Mount the wall control at least five feet above the floor. That is high enough that a small child standing in the garage cannot reach it, and it is in the installation instructions of every opener sold. Mount it where the person pressing the button can see the whole door travel, not around a corner. A large share of incidents involving kids come down to one child pressing a button while another is standing where the door is going.

Remotes belong with car keys, not in a toy bin or clipped to a backpack. A remote in a child's hands runs a heavy machine from outside the garage while nobody is watching what is under it. Treat an outside keypad code like a house key and change it when the list of people who need it changes.

Pinch points, and the ones a child finds first

As a sectional door closes, the gap between two adjacent sections closes to nothing along the hinge line. That gap is exactly the size that invites a small hand, and it shuts with the weight of the door behind it. Pinch resistant sections are shaped so the joint pushes a finger out as it closes rather than closing on it, which is why newer doors have that curved profile along the section edges. Older flat panel doors have no such protection.

The sides are the second hazard, where rollers travel in the track and the door edge passes the jamb. One rule covers all of it, short enough for a five year old: nobody stands under a moving door, and nobody touches a door that is moving.

The release cord, riding the door, and teaching a teenager

The red cord on the trolley disconnects the door from the opener so it can be moved by hand. It is meant to be pulled with the door fully closed, or fully open and supported. Pulling it part way through travel is dangerous, because if the springs are weak or broken the door drops with nothing holding it. Kids pull that handle because it is a bright red rope at eye level, so tie it up where adults can reach it and children cannot.

Riding a closing door is the other one worth naming plainly. Kids hang on the bottom section as it lifts, and as the door curves into the horizontal track their hands go over the top of the section and into the header gap. There is no version of that with a good ending.

Teach the manual release to any teenager old enough to drive, because it is what gets a car out during a power failure. Do it with the door fully closed. Show them the cord, have them pull it, have them lift the door by hand and feel that a balanced door takes about ten pounds and stays where they leave it. Then show them how to re engage, which is usually running the opener until the trolley clicks back onto the carriage.