I'm interested in a clear PVC corrugated roof for both our hen house and run, and was wondering if anyone's had any experience with it. We live in North Carolina so the summers get pretty hot, but our backyard is almost completely wooded so even with a clear roof the chickens would get very little direct sun except in winter--which I figured would help keep them warm. PVC is also available in white, and we would also be willing to consider a metal roof. We're not so interested in the polycarbonate roof because it is so expensive. Does anyone have any thoughts? There's very little info about it available online. Thanks!