The Fast-Seal® door was the first high-speed industrial door that could take a hit without suffering damage. The Break-Away„¢ bottom bar along with the patented System II„¢ counterbalance and tension system are why the Fast-Seal remains unmatched in the commercial roll up door industry today. Its dependability and durability keep the Fast-Seal moving and operations flowing with little downtime or maintenance needed.Ideal for a variety of applications, the Fast-Seal is designed for use as an exterior fabric door or for interior applications and can be built up to 35' wide or 24' high, up to a maximum door size of 600 square feet.Fast-Seal is backed by a 5-year limited warranty on motor and 3-ply Rylon® panel material, plus a 2-year limited warranty on mechanical/electrical components.