June's panels are better than my polythene suggestion, if you have room for storage, which shouldn't really be a big deal as they are flat. And being rigid, you can even manage to surround something like a pergola structure with them. The polycarbonate panels can be drilled and screwed like plywood.
If you get UV-stabilized polycarbonate, the kind with double walls and channeling (small tubes lined up between the layers), it's great insulation. UV-stability means they will last several years before getting brittle, unlike polythene which may need replacing every year or two, and is awkward to store, and more apt to tear.
Polycarbonate is more expensive than polythene, but when compared to the cost of losing a few of your favorite orchids, it's a bargain! And peace of mind is priceless
Quote:
Originally Posted by fotofashion
Then, for those of you who have a shadehouse....how about flat plastic covered panels that can be removed for warm weather and stored somewhere.
Beverly A.
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