post #11 of 11
I just saw this earlier today and it may be a solution for you.

He builds hoop houses with cattle panels covered with 6 mil poly. Look through the photos and you'll see a couple of the brooders.
You'll need to take into account the wind and ventilation. I listened to a presentation he made and he had recently switched over to black poly and the chicks would stay with the heat lamps better.