Cascade Awning & Exterior Building Maintenance Serving the Puget Sound Region Since 1990. Specializing in Exterior Building Maintenance including Cleaning and Restoration of all Awning types from Fabric, Vinyl, Canvas, etc., etc., Pressure Washing- Walkways, Driveways, Buildings, Using Hot or Cold Water Systems and using Commercial Surface Cleaners, Roof Cleaning, Store Fronts, Banner Installation and Removal, Building Washing, Graffitti Removal and Cover Up, and Window Washing. As we have been in business since 1990 we have all the proper tools and equipment to complete the job in a Timely and Professional Manner. 425-227-4400. FREE NO OBLIGATION ESTIMATES. Mention this source and receive a 10% discount on your service.