I don't have to worry about this right now, as I won't have chickens until April, but for next year. The farm we are moving to has a nice building that we will use at least to start with for our coop. But it has only boards for the wall and absolutely no type of insulation, and there are some (not a ton) gaps in the boards, so I am concerned about will it be warm enough or should I try to insulate it somehow. If I have to insulate it, I am wondering what I can do that the chickens will leave alone. I have visions of them eating fiberglass insulation, can't imagine that would be a good thing. I was thinking of possible putting a layer of plastic inside then adding my hardware wire (which I am planning on putting up to insure that the chickens stay safe from the "bad critters" ;o) What are your thoughts? If you have a better idea I would gladly give it consideration. Thanks so much.