DESC: For best long-term results adding the Foundation Kit for Woodbridge 10x8 and 10x10 and 10x13 Sheds is recommended. The foundation kit fits these Woodbridge sheds and is crafted of galvanized metals, providing a base for installing your shed and ensuring that the shed is square. The foundation also elevates your floor (plywood floor not included) off the ground. Sheds and foundation kit are sold separately. Imported., Sheds and foundation kit are sold separately