our coop has roof that slopes backwards- and over hangs in the front - for ventilation we used soffit(as used for homes w/ vinyl siding) and hardware cloth on the inside to "close" up the rafter spaces. We also have a screen door on the front which during warm weather is open - the screen door...
I see your concern, I have my ducks in a rabbit hutch this winter and I am working on their duck house, I am doing this in it also - I am using PVC coated wire, and intend there to be straw in there but wanted to be able to spray it out- This winter what I have done because the rabbit hutch is...