My coop is similar to this. I have the short wall at 6 foot and the tall at 8 foot. All my walls go to the roof line. My roof overhangs 1 foot on all sides. I have hardware cloth on the openings under the overhangs for ventilation. I do have a window on the short wall for extra ventilation in...
I used this to keep small critters out.
https://www.menards.com/main/building-materials/metal-framing/27-x-96-97-dimpled-self-furring-metal-lath/87828/p-1492410102362-c-5695.htm
I use this on the lower part of my run to help with smaller critters.
https://www.menards.com/main/buildi...g-metal-lath/87828/p-1492410102362-c-5695.htm
I use this on the outside bottom of my run. https://www.menards.com/main/building-materials/metal-framing/27-x-96-97-dimpled-self-furring-metal-lath/87828/p-1492410102362-c-5695.htm It's durable, somewhat light weight and the way it's made it's a little sharp. I know you can get it at Menards...
I built mine off the ground for a couple reasons. I built it on runners/slides, 18 inches off the ground, so I could move it to different areas of the yard with my tractor. I've only moved it once and that was from where I built it to it's current location. Wife likes it there and that's that...
I have a chicken that is 3 years old. We found her a week ago lethargic and in a corner in the coop. She is alert not very active, eats and drinks but stands and walks funny. I have felt her belly and searched her vent for an egg but don't feel anything. She hasn't laid since we found her this...