How to Fix Garage Doors That Are Drafty

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Even if the garage windows are properly sealed, a lot of air leaks in around the door. If a garage door doesn't have weather stripping installed across the bottom, air comes in. If the door is sealed, but the weather stripping is worn, drafts enter. Besides the bottom, the garage door’s sides need sealing. If the garage is heated or cooled, all this air infiltration means higher energy bills.

Things You'll Need

  • Locking pliers or 2-by-4-inch wood block
  • Hammer
  • Small pry bar
  • Replacement weather stripping
  • Utility knife or sharp scissors
  • Galvanized roofing nails
  • Measuring tape

Replacing the Bottom Stripping

  • Open the garage door so the bottom edge is at a height you can reach. Place a pair of locking pliers on either track or prop the door up with a 2-by-4inch wood block.

  • Grab one end of the weather stripping that's secured to the garage door’s bottom edge and slide it out if it's in a track. Use a hammer and pry bar to remove it if it's nailed on to the door.

  • Slide the new weather stripping into one end of the track. Slide it across the door’s bottom until you reach the other end, or hold one end of the weather stripping onto the edge of the door bottom. Nail it in place. Continue lining up the remainder of the stripping and nail it into place. Trim excess weather stripping with a utility knife or a pair of sharp scissors.

Seal the Sides

  • Remove the pliers or the 2-by-4-inch wood block and completely close the door. Measure one side of the garage door’s frame from the top to the floor. Cut a piece of weather stripping with a utility knife or sharp scissors to that length.

  • Place the weather stripping flat on the side frame so it's snug against the garage door. The thicker side should face the driveway. Nail the piece into place from the top, all the way down to the bottom end.

  • Repeating this step with the other side of the garage door frame seals it from drafts.

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  • Photo Credit Jupiterimages/Comstock/Getty Images
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