The DYNACO N-211 multi-purpose & energy-efficient high-speed door is a special, soft bottom door engineered to provide safe, and efficient area separation where high cycle operation and sanitation are critical. A multi-composite frame with options for easy washing and environmental sealing, provide years of reliable service in demanding hygienic applications. The optional Wash Down Mode reduces health risks in the food processing industry by providing access to wash the entire roll-up drum. The Clean Seal option adds additional gaskets to control air leakage.