Telescopic Pool Enclosures, Pool Covers and Sunrooms. Our unique patented design allows the enclosure to slide over your swimming pool or patio in seconds letting you enjoy the benefits of summer all year round. These Telescopic Pool Enclosures have all the advantages of traditional enclosures, and incorporate a one-piece seamless structural panel for strength, beauty and easy operation. Our pool enclosures maintains a watertight seal and generates a solar energy for a comfortable maintenance free swimming pool environment.