Arcadia Alpine Series - Palram Polycarbonate Carport Unique screw-free roofing system; leak-free glazing, rust-resistant structure, sleek and classy design Virtually unbreakable, bronze tinted 6 mm twin-wall polycarbonate roof panels, allow 15% light transmission Panels are high impact, shatter resistant and provide 100% UV protection; they do not discolor, fracture or become brittle over time Simple DIY assembly Sliding panels installation system, no special skills Robust, rust-resistant dark gray powder coated aluminum frame & laser cut galvanized steel connectors Sturdy, aluminum posts with adjustable elevation (3.15 in. x 3.15 in./8 x 8 cm) Ready to assemble pre-drilled profiles, pre-cut panels, all screws and anchors included Requires a solid level surface Maintenance free no rust, rot, peel, moss or fungus Anchoring and foot pads kit included, to secure the carport to the surface of your choosing, structure can be relocated Integrated gutters and built-in gutter outlets 2 in. dia. (5 cm) to easily channel and collect rainwater Maximum carport\'s height 11\'7? (352 cm)