styraoam and plywood but the best when i did it 11 grade was plastic with magnetic doors and air ventalation with a garage and electricity on both floors.
I would consider using polystyrene (often used as a packaging material) It should be easy to buy a small sheet of the correct thickness. It can be cut with a hot knife blade. You can paint it with...
Bird netting made from polypropylene mesh, a type of plastic, is popular to keep the birds off your vegetation, as opposed to the rope that was traditionally used. The plastic is uv coated to prevent...