Garage Door Weather Seal – Super Seal is an extremely heavy duty weather seal. 4” Wide Super Seal combines a heavy duty EDPM rubber weather seal with a rubber tube for increased performance. Creates a very tight seal to the floor with extra cushion.The tube helps keep the weather seal in it’s U shape and that helps in sealing uneven floors. Super Seal holds its shape in even the most extreme conditions. Super Seal is a premium garage door weather seal. Two seals in one, U shaped maximum contact weather seal with a 1″ tube bonded to the weather seal. Plugs are hard rubber and supplied for both ends of the weather seal to keep moisture and debris out, two plugs are included with every length. This is an extremely heavy duty weather seal giving a very strong seal even with uneven floors and harsh conditions. The Garage Door Weather Seal – Super Seal – is very easy to install into the common 1/4″ T slot style retainer. If your garage door does not have the correct bottom retainer to accept this style of weather seal, simply replace the retainer. MADE IN USA! ***All lengths cut a min. 2" longer than listed length