This spacious greenhouse has a total surface of 49.5 ft?. It can accommodate a considerable number of plants, and will be a great solution for protecting your plants from the cold weather. Made of double-walled polycarbonate panels, this solid greenhouse is UV-resistant and thermally insulated. It can withstand temperatures from -20 ??up to 70 ?? The greenhouse has a sturdy and maintenance-free aluminum construction with a base frame (made up of 4 strong profiles) for extra stability. The gutter system drains water effectively and the roof vent ensures optimum ventilation on hot days. With the required installation accessories included in delivery, assembly is easy. Please note the roof of our greenhouse cannot withstand heavy snowfall. Warning: The greenhouse is not a construction building or conservatory, intended for leisure purposes. It is an impermanent standalone agricultural installation intended for hobby gardening only.• Material: Aluminum frame + polycarbonate panels• Overall dimensions: 95.3" x 74.8" x 76.8" (L x W x H)• Inner size: 92.9" x 67.7" (L x W)• Panel thickness: 0.15"• Vent size: 23.6" x 22.8" (L x W)• Door size: 24.2" x 63" (W x H)• Capacity: 315 ft?• Ground surface area: 49.5 ft?• Ridge height: 76.8"• Gutter height: 55.5"• Minimum temperature: -20 ??/li>Maximum temperature: 70 ??/li>UV-resistant• Thermal insulation• Including a base frame (made up of 4 strong profiles)