Enjoy the sun without the burn with this polycarbonate patio pergola. The roof blocks UV rays and rain, providing a protected outdoor sitting area for dining, lounging, or chatting. Made of naturally water-safe aluminum with a drainage system, this pergola is durable and adjustable to fit a variety of wall spaces.Features - Aluminum posts for a durable, naturally water-safe structure Polycarbonate roof filters UV rays while allowing sunlight Polycarbonate blocks rain; drainage holes prevent water buildup Designed for wall mounting Adjustable installation height to fit different walls Columns can be adjusted in width and length to suit unique spaces Specifications - Color - Gray Materials - Aluminum, Polycarbonate Roof Size - 171.25" L x 119" W Column Size - 3.25" L x 1.5" W x 82.75" H Suggested Installation Height - 91"-98.5" Column Adjustment Range - Back and Forth 63.75"-112.25", Left and Right 11.75"-17.75" Weight Capacity of Roof - 10 lbs/ft Package Includes - Gazebo Expansion Scre