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 have the facility of opening horizontallyfor increased ventilationIntegral gutter designed to take downpipesDetailed, illustrated assembly instructionsAll installation hardware included12-year manufacturer's warrantyFlexible enough to let you plant in the growing season as well as through the entire year, the Juliana Premium 12.1 Green 9 x 14.5-foot Greenhouse Kit is the only greenhouse kit that should adorn your garden. Sporting advanced, twin-wall construction, the extra-thick polycarbonate panels offer 40% better insulation over single pane glass. The panels are strong enough to withstand any attack of sharp or heavy objects like hailstones or baseballs. They also let 83% light to diffuse in, while the UV coating ensures that the plants don't suffer due to the sun's harsh rays. 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 a great feature that fastens the polycarbonate panels to the frame, installing or taking down the greenhouse is quick and easy. Simply arrange the panels in order and secure them with the gaskets included, and your greenhouse is ready for gardening. Two double and two single windows with adjustable roof vents let in lots of fresh air for the plants, while the hinged door lets you enter or exit your greenhouse comfortably. Your maintenance plans can wait as the manufacturer provides a 20 year extended frame warranty. The galvanized base bit is included to ensure a solid foundation. A combination of quality construction and affordable price, the Juliana Premium 12.1 Green 9 x 14.5-foot Greenhouse Kit is a great choice for avid gardeners and casual hobbyists alike. 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.