Hi! Just starting on my chicken adventure! I'm living in suburban Philadelphia. We recently purchased a farmhouse with a freestanding barn, built in 1844. Part of the barn (where the carriages were housed) was converted years ago into a screened in porch. It's my hope to use this area for our chicken coop. The screen porch has three solid stone walls and a cedar shingle roof. The fourth wall is composed of screens, and a screen door (this wall is west facing.) The floor is cement. (See exterior and interior photos below.) Our plan is to cut a hole in the solid wood at the bottom of the screened area, to create a chicken door. We will also remove the brush outside the screen porch and create a fully fenced outdoor run. Questions: 1.) Will the screens be adequate as-is to keep out predators? For the outdoor run, I understand I should use hardware cloth, buried to a depth of 12" and bird netting over the top. The outdoor run will be approximately the entire size of the screened wall in the porch, so the predators would have to get through the outdoor run to get to the screens, if that makes sense. We will leave the screen door as is so I can get in and out of the coop easily. 2.) In southeastern PA, do I need to cover the screens with plastic or wood to ensure for adequate warmth in the winter months, or are the three solid barn walls adequate? 3.) With very heavy rains, a corner of this porch can get damp. My husband and I are working on trying to remedy this problem this fall, but would a small amount of dampness on a rare occasion be a real problem for the chickens? Thanks for all help/insight as I embark on this adventure! This site is such a great resource.