Alton Cedar Structure Evolution Octagonal Greenhouse 8981 12x8 page_crafter_three_column_grid_plain_text_2 gLM63h8SLp { color: #000 Size:Hinged Doors page_crafter_three_column_grid_plain_text_2 gLM63h8SLp { color: #000 Storage Capacity 1444 cubic feet 1444 cubic feet 1926 cubic feet 1926 cubic feet 2408 cubic feet 2408 cubic feet 2890 cubic feet 2890 cubic feet Wood Treatment Pressure Treated Pressure Treated Pressure Treated Pressure Treated Pressure Treated Pressure Treated Pressure Treated Pressure Treated Material Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Solid + Manufactured Wood Foundation Required Yes Yes Yes Yes Yes Yes Yes Yes Door Lock Included Yes Yes Yes Yes Yes Yes Yes Yes Ventilation Included No No No No No No No No Roof Style Barn Gambrel Barn Gambrel Barn Gambrel Barn Gambrel Barn Gambrel Barn Gambrel Barn Gambrel Barn Gambrel Shed Door Style Double Door Double Door Double Door Double Door Double Door Double Door Double Door Double Door Wind Rating 90 mph 90 mph 90 mph 90 mph 90 mph 90 mph 90 mph 90 mph Weather Water Resistant Yes Yes Yes Yes Yes Yes Yes Yes Maximum Roof Load 30 lb Optimal Climate Control: Two automatic roof vents and two louvre windows ensure ideal airflow and temperature for healthy plant growth text align: left