These versatile retractable systems offer basic sun protection up to complete rain and inclement weather protection. These systems are designed to be mounted atop an existing structure such as aÂ pergola,Â skylightÂ orÂ sunroom. With single unit widths up to 16 by 23 feet and the ability to join multiple units, the coverage is only limited to your space. These systems offer a choice of hundreds of fabrics ranging from acrylic to decorative solar screen and waterproof fabrics. Like all Sunesta retractable systems, the Suncover is custom made to fit your needs.