The base is a galvanised steel framework that sits inside the shed, the purpose of this base structure is to keep the goods inside the shed off the ground. You always have the option not to use the base framework and set up shed directly onto the ground. All steel sheds are ideal for space limited applications or on caravan parks where non-combustible sheds are mandatory, These sheds are ideal for space limited applications, such as gardens, woodside, farms and where you would like to keep the place tidy and store all of your tools. Painted galvanized steel sheet Valuable storage space Space saving option even for small areas Ventilation Dimensions: - 12ft x 10ft - Apex Roof: (Base Included) External: Size: 3120 x 3770 x H 2020mm - Door H:1640 mm, Total H:202cm, 4 Air Vent - 10ft x 8ft - Apex Roof: (Base Included) External: Size:3120mm x 2570mm x H1780mm - Door H: 1540mm, Total H: 1770mm, 4 Air Vent - 8ft x 8ft - Apex Roof: (Base Included) External: Size:2590mm x 2570mm x H 1780mm - Door H:1540 mm, Total H:178cm, 4 Air Vent - 8ft x 6ft - Apex Roof: (Base Included) External: Size:2050mm x 2570mm x H 1770mm - Door H: 1540mm, Total H: 177cm, 4 Air Vent - 8ft x 4ft - Pent roof:(Base Included) External: Size: L 1310mm x 2380mm x H 1810mm - Door H:1540mm, Total H: 181cm, 2 Air Vent - 6ft x 4ft - Pent roof:(Base Included) External: Size:1210mm x 1940mm x H 1820mm - Door H: 1540mm, Total H: 182cm, 2 Air Vent. 3 x 5ft Pent Roof (base not included) (Top/Front open) External: Size: L 1760X W1050X H1300mm Door: 57X122cm Material: 0.26mm thickness zinc steel colorbond, 0.6mm zinc steel frame - 3 x 6ft - Pent roof (base not included) (Top/Front open) External: Size: L 2100X W1050X H1300mm door:75X120cm, Material: 0.26mm thickness zinc steel colorbond, 0.6mm zinc steel frame.