Ideally the door should slowly float up from this point.
My fiberglass garage door will not stay open why.
Depending on the brand.
First check the sensor lights.
The door frame and door are tilted and the unbalanced weight of the door causes the door to close on its own.
Sometimes a garage door won t open or close for one reason only the operator has no power connection.
If you determine that the sensors are not blocked you could be dealing with faulty or misaligned safety sensors.
Adjusting the limit travel setting.
You might have absentmindedly unplugged the operator as you were exiting the garage through your internal door to the house.
Water can warp and damage fiberglass garage doors so make sure that your eaves trough is in working order.
Release your hold on the door and see if it stays up all the way.
There can be a few reasons as to why your garage door won t stay closed and by doing some snooping and checking a few parts of the garage door system you ll be able to see what s really going on.
Place that piece of cardboard on the door frame where the hinge will be screwed back into place.
The door in question may not be plumb because its hinges and frame were improperly installed.
Having a door which won t stay open or which droops when at the height of its lift can be troublesome.
Also direct any water away from your garage floor.
The main reason for this is that the springs aren t holding as they should you will need to have your springs adjusted to give your garage the ability to hold the weight of the door.
Cleaning your fiberglass garage doors.
If the door still won t stay open without assistance remove the screws from the top hinge first.
Slowly close your door about halfway and release it.
Maintaining your fiberglass doors also means making sure that there is no water spilling down on or puddling around the doors.
The most common reason as to why a garage door won t stay closed is that the limit settings are off.
Cut a piece of thin cardboard to the size and shape of the hinge side piece.
Inspect your garage entrance and floor for any potential culprits.
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.
Most likely the door is not plumb meaning that the hinges do not line up as they should.
Hold the garage door and remove the vise grips from the track after the spring tension has been adjusted.
If the garage door sensors are detecting any objects or debris your garage door will not close completely.
Basically you are attempting to repair the tension to a workable level.
