Maximize the use of your restaurant patio or expand the luxury of your own backyard. Sun or rain, bring your outdoor living dreams to life with a custom designed Pergola. A retractable roof is a roof system designed to roll back the roof on tracks so that the space provided is open to the outdoors. Retractable roofs are used in residences, restaurants and bars, swim centers, and other facilities wishing to provide an open-air experience at the push of a button