Keep in mind that your garage door also has a seal that runs along the sides of the door.
Garage door leaks air on sides.
Luckily you can prevent air from leaking through the sides and over the top of your overhead garage door.
Therefore it is extremely important that your garage door to be well insulated and any gap or air leak sealed.
If you have no gutters the rain could be running straight from your roof over the entire door and entering through the sides.
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Measure the top and both sides of the overhead door opening with a tape measure and mark the center of the top.
Especially garage door due to its large surface is the major factor in the total loss of your household heat.
With respect to the gaps between the side wall and garage door they need a combination approach for a better sealing.
Depending on whether you have a wooden or metal garage door you ll need either nails or screws.
Pull on one side of the old gasket and slip on the new seal.
After unrolling the new seal along the length of the garage door you re ready to begin installing.
How to stop air leaking from the sides and top of an overhead garage door 1.
Weatherstripping is inexpensive easy to install and available at any hardware or home improvement store.
Check the garage door seals on all sides to make sure that they re in good shape properly sized and intact.