When there are gaps air will leak in around the door.
How to tighten up garage door seal.
Inspect the overhead seal periodically to ensure a tight fit against garage door and trim.
Attach the seal to the bottom of the door with tacks starting at one end and working to the other.
First close the door and see how the door lines up with the weatherstripping on the outside.
Adjusting garage door track did not turn out to be that tough.
Now is a good time to replace it.
In this episode dave mars shows how to better insulate your garage door to help save energy and money.
In the closed position the garage door needs to be snug against the weatherstripping.
This takes 5 mins to do and costs nothing.
Step 2 tighten the screws on the hinges using a screwdriver.
So you can see that there are several adjustments on a garage door that involve the track.
The flexible material compresses when the door closes sealing the gap along the floor to keep out water dirt cold breezes and critters.
If necessary add additional nails or staples as needed.
There is also a seal along the bottom of the garage door that is usually made of rubber or plastic and subject to weatherization as well.
Tighten all the screws in both leaves of this hinge.
The garage door bottom seal or door sweep is a long strip of rubber or vinyl that attaches to the bottom edge of the garage door.
For more information on garage door weatherstripping follow this link.
It keeps the garage door pressed up against the outside rubber seal so cold air is not blowing through the gap.
Measure the length of the door and cut the seal to the needed length.
Start at the top hinge which tends to bear the heaviest load of the three.
Adjustable door sweep for garage doors with uneven floors.
If this is the case use wood shims or some other flat object to prop up the bottom of the door as you work to resolve the problem.
Tighten the bolts up and you re done.
A door sweep is a strip of flexible material at the bottom of an overhead garage door that makes contact with the floor to seal out wind.