When closed the weatherstripping on the bottom edge of the door should be in contact with the ground.
Garage door not closing tight.
If your door doesn t come down that far you can adjust the automatic opener until it does.
If one side of the door is not in line with the other the door won t run smoothly in its tracks and when closed one side of the door won t close completely leaving an open gap.
Tools standard level shop product.
First check the sensor lights.
Garage door openers come with an adjustable switch that dictates.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
Depending on the brand.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Push the door back to adjust the door and get the center aligned again.
If your garage door isn t closing all the way but also doesn t reverse you might need to adjust something called the limit switch.
Check that it is straight.
An out of balance garage door can close too quickly creating a potential hazard for kids and pets and placing unnecessary strain on the door s parts.
The extension springs are evenly matched and installed to keep the garage door properly aligned so that it runs smoothly throughout the entire length of the track and closes evenly.