Question: what materials do you need to make a greenhouse?
Answer: Structure. The structure of the greenhouse can be made from aluminum, galvanized steel, wood, or plastic. ...  Flooring. Typical flooring materials for a greenhouse are concrete, porous concrete, gravel, and dirt. ...  Cover. ...  Glass. ...  Polycarbonate. ...  Polyethylene. ...  Fiberglass. ...  PVC Fabric.