Retractable roof enclosure, Enclosure systemsCOVERS in Play designs and manufactures Fixed and Retractable Pool Enclosures and Pool Covers of your choice. Automatic Retractable Pool Enclosures turn your outdoor pool into an indoor pool (indoor outdoor pool) paradise with a push of a button using our patented automated drive, no manual effort required. Our patio enclosures feature patented design construction and automated features that are unique in the industry.