Clear polycarbonate roof panels provide protection from harmful UV rays while allowing 65% of sunlight to be transmitted through Supports are adjustable to fit a variety of patios Integrated gutter system controls water drainage Low maintenance, easily cleaned with your garden hose Sealed multiwall edges eliminate dirt and moisture from entering roof panels Snow load of 35 lbs s/f and wind load of 75 mph 10-year limited warranty and U.S. based customer support