You are way over wrapping the runs. It is ONLY for wind blocking. You need ventilation in it as much as you do in the coop. I would raise the bottom of the plastic even with the bottom framing and drop the top about a foot. Remove all plastic in the top of the gable ends (the triangular section).Here is coop #2. It house 12 chickens and 3 ducks. I will eventually cover the duck side to give them a snow free space to go during the winter. I've also attached a photo of their uncovered run to show how much space and a cute photo of the group following me around. The covered run is also collecting condensation between the wood and the plastic at the bottom just the same as coop #1. We are also aware of missing ventilation innthe coop if anyone notices that. We have it bought just haven't added it in yet... currently getting by with just the soffit vents in the coop.