FLEETWOOD Windows & Doors at Smart Builder Supply. Fleetwood's products are designed for luxury homes. Since 1961 Fleetwood has been manufacturing modern style windows and doors for luxury homes. Dedication to architectural integrity and meticulous refinement of "the little things" has distinctively positioned Fleetwood. Fleetwood Windows & Doors is continually making efforts to be "Green Friendly" and currently leads the fenestration market with the Greenest multi-slide and sliding pocket doors in the United States. Fleetwood aluminum products are manufactured using recycled aluminum and glass and offered in inert coatings and finishes. To further promote global sensitivity, 100% of Fleetwood aluminum scrap is recycled.