Founded in 1958, Dura-Bilt Products is a manufacturer that sells its products through more than 1,500 dealers throughout the United States and Canada. Its products include patio railing, insulated roofs, carports, all-season and three-season sunrooms, patio and screen rooms, and aluminum and portable recreational vehicle awnings. The company features a manufacturing facility of more than 111,000 square feet in Pennsylvania. Dura-Bilt Products also offers shipping services. It provides products for cottages, recreational vehicles, and residential and vacation homes. The company offers various styles of insulated roofs, including Dura-Therm and Dura-Lock that feature laminated polystyrene roof panels to provide strength and insulating properties.