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Lancaster PA | We rented a broiler house years back that had some made out of pvc pipe and curtain material. I'm not sure if they were homemade or not. They were a square frames of pvc pipes, the curtain material was stretched between, with the corners exposed. They were hung by u-shaped brakets at the top. When the fans were on they swung fully open and sealed tight when not running. They worked good and I assume they were cheaper than shutters. | |
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