Palram-Canopia Rion Grand Gardener 8 x 8 Greenhouse PVC Resin Features: See Palram-Canopia Rion Grand Video here Premium quality 1 manual Roof Vent Twin wall light-diffusing polycarbonate roof panels Crystal-clear polycarbonate wall panels UV Protection Virtually Unbreakable Push and fit assembly, Simply snaps together, no tools required Durable Extruded PVC Resin & Aluminium frame construction Expandable - easily add extensions in the future Resin Frame is maintenance free and fully insulated Twin hinged doors included Ultra-spacious Superb range of accessories and options The Palram-Canopia Grand Gardener Greenhouse range has double entry doors for better access and virtually unbreakable twin wall 4mm clear-as-glass polycarbonate glazing panels that create superb insulation and UV protection for your plants and flowers. Designed for year-round use, the Grand Gardener Greenhouse will provide you with the ideal gardening environment regardless of the season. The Dutch barn roof design is both elegant and functional with superb headroom making this design perfect for all of your gardening needs: starting seedlings, protecting valuable plants or creating a tropical garden. With stability and long term use in mind, the roof comes with aluminium strips to add strength and prevent the structure warping in direct sunshine. There is a great range of options too including a heavy-duty greenhouse base foundation, roof vents, side louvre windows for cross ventilation, optional automatic roof vent openers, and optional automatic louvre window openers. This Palram Base Kit has been engineered to provide additional stability and additional headroom for Palram Greenhouses. Manufactured with heavy-duty 100% UV-protected this kit is made with resin and is engineered with a U-shape, honeycomb design for extra durability. Filled with soil this base kit provides a solid foundation and it also provides additional 12cm of headroom. Like all Palram products, the base kit assembles in a snap. Features and Benefits Easy to assemble#html-body [data-pb-style="60FF6AAB0F1A2"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}#html-body [data-pb-style="60FF6AAB0F1B3"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;} This Rion greenhouse base is 2560mm wide. It's made from plastic and provides additional height and improves the stability and durability of your greenhouse against strong winds.