polycarbonate the double walled stuff with channels is excellent choice. higher R
than glass, unbreakable, easy to cut and install, diffuses the sun really well,
cheaper than glass. I just have a hard time finding a local supplier that is
reasonable. neither menards nor home depot stocks it. very very strange indeed since
it is superior to fiberglass. Ingrid

J Kolenovsky wrote:

Would really thin "polycarbonate" work?



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