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Thank you so much for this information… I got this shed relatively cheap - I may be better off building a wooden one . I’ll be a nervous nellie this winter I think with this oneHello Kathy, and welcome to BYC!Glad you joined.
Metal sheds are notoriously difficult to get ventilation in. Especially when they have little to no roof over hang.
I suggest starting a new thread in the Coop & Run Forum with pictures of the interior showing the support system. You will want to cut the metal out of the two triangular sides under the roof line and install 1/2" hardware cloth over both sides. You will also need additional ventilation (and top hinged windows) on the walls for light and additional ventilation options in the summer.
The roof is very likely to sweat during winter as the chicken respiration and moisture from their droppings rise and hit the cold metal. Again, seeing the underside of the roof will help to know how to address this potential issue.