Greenhouses for commercial uses are often made out of glass, fiberglass, polycarbonate panels, or polyethylene film. Their framing is often wood or steel, to be able to hold up additions and equipment within the greenhouse.
Greenhouses for commercial uses are often made out of glass, fiberglass, polycarbonate panels, or polyethylene film. Their framing is often wood or steel, to be able to hold up additions and equipment within the greenhouse.