Additional features:Door dimensions: 32.5W x 72H inchesSidewall height: 4.75 feet.Peak height: 7.8 feet.Tough Scandinavian construction ensures frameslive up to their challenge of braving extremes of weatherTwin coated UV polycarbonate panels are the ultimatein protection and offer 83% visible light transmissionRoof is slanted at 300 to drain away rainRoof windows can be opened horizontally forincreased ventilationIntegral gutter designed to take downpipesDetailed, illustrated assembly instructionsAll installation hardware included12-year manufacturer's warranty If you've always wanted to show off your garden, the Juliana Premium 9.9 Green 9 x 12.1-foot Greenhouse Kit is what you need to make your dream come true. Perfect for raising your plants during the growing season as well as through fall, this greenhouse lets you gardening all the year round. Featuring advanced, twin-wall construction, the extra-thick polycarbonate panels offer 40% better heat protection over single pane glass. The panels are virtually tamper-proof against sharp or heavy objects like hailstones or baseballs. They also allow 83% light to diffuse in, while the UV coating keeps the harmful rays of the sun from adversely affecting the plants. Built to withstand the extreme conditions in northern climates, the sturdy, aluminum frame boasts a tough Scandinavian construction, which is up to 50% stronger than other frames. The weather-resistant, powder-coated green finish will add a dash of charm to your landscape. The gasket locking system is feature to look out for. It attaches the polycarbonate panels to the frame and this makes installing or taking down the greenhouse fast and easy. Simply arrange the panels in order and secure them with the gaskets included, and you can see your greenhouse come to life. Four single windows with adjustable roof vents will allow for a constant circulation of air, while the hinged door will ensure that you can get in and out of your greenhouse comfortably. The manufacturer provides a 12-year warranty which means that you can enjoy gardening without any added worries. The galvanized base bit is included to ensure a solid foundation. Boasting quality construction at an affordable price, the Juliana Premium 9.9 Green 9 x 12.1-foot Greenhouse Kit means hassle free planting throughout the year with the minimum investment. Assembly is a weekend project for one or two people.About Juliana GreenhousesJuliana has been a premiere greenhouse manufacturer for over 40 years, originating in Scandinavia and expanding into the U.S. with Juliana America in 1991. Juliana is currently the largest distributor of greenhouses in the U.S. and offers high-quality greenhouses and greenhouse kits at unbeatable prices. Juliana greenhouses and greenhouse kits combine weather-tough durability with experience-driven design, providing the optimal growing environment for plants.