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Fleetwood's proprietary Arche-Duct system is an innovative technology that allows for sub-floor drainage and consistent flush sills on sliding doors. This video demonstrates how the Arche-Duct technology provides an effective evacuation of water and connects seamlessly to the main structure draining system, protecting Fleetwood products and the home. Supported by our transferable limited lifetime warranty and tested in extreme weather conditions, this system discreetly collects and diverts runoff away from the foundation ensuring comfort from the inside, out.