The FB109 floor frame kit from arrow fits arrow 10 by 8-feet and 10 by 9-feet steel buildings. Made of durable galvanized steel, the FB109 will provide a perfect base for a plywood floor finish wood is not included. The easy to assemble kit has steel tabs that fold in and get inserted into the shed-feets frame. When finished with wood, the FB109 will help keep your stores items off the ground and away from moisture.