Most homeowners understand the need for weatherstripping doors and windows to prevent heat transfer and lower energy bills.

More often, this is a quiet alarm bell for a worn-out garage door bottom seal failing at its job of keeping the elements outside where they belong. But as much as we hate to admit it, it's bound ...

In a promo video, pitchman Phil Swift applies Flex Seal to a screen door inserted in the bottom of a rowboat, then launches the boat with himself as skipper (left side of the photo above).