Omg!!! I wanna come tour your place!Nunny, I think once you clear all that brush away, you’ll have a decent start! That looks like it may have been a garage, so you’ll probably have to do some ventilating, maybe you can just move some panels around.
My coops are all open air, wire sided, covered with metal roof. Just 1x3’s underneath the roof to mount to, and they make special screws that already have a washer and padding attached to the screw. All ya have to do is screw em down. Easy peasy, but not cheap.
Also check out T-111 (I think?) siding. It has overlaps built in and if you paint it, or buy it prepainted, it’ll last a long enough time.
Just got the metal put on my 2 newest additions a few weeks ago
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