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Easy Way To Seal The Bottom Of Large Doors
ere's an easy way to seal the bottom of large doors. Tom Hoffman makes a cut through a bicycle inner tube on the side opposite from the air valve. Then he fashions two metal clamps to go over either end of the long tube and clamps them in place in a vise. Then he fills the tube with air. Once cold weather comes, he simply slips the air-filled tubes in under the gap between the door and the floor. You could also fasten the tubes to the bottom of the door.
  He notes that even a small crack can let in a lot of cold air and he figures the few seconds it takes him to the seal the door is well worth the time.

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2001 - Volume #25, Issue #3