Yes, I see gaps too. I would go over all the surfaces and remove anything toxic (barbeque?), hazards, etc. How would you clean up after them, where food and water?
This is a great webiste and the have chickens going thru their greenhouse too, you can browse for pics...
http://urbanhomestead.org/urban-homestead?q=urban-homestead
This is a great webiste and the have chickens going thru their greenhouse too, you can browse for pics...
http://urbanhomestead.org/urban-homestead?q=urban-homestead