If possible, attach hardware cloth to frame with wood screws through oversized washers, every 4-5". We attach ours on the inside of coop windows as coons can pull harder than they can push and can't use their wt. to pull it off the outside wall.
If you are home, and have an outlet outside, a...
Here in Cent. MO (Ag/forest primarily - rural residential - no organized neighborhoods) the coon population had stayed pretty steady (1997-2011) as we'd take ~30 a year without really trying (3 havaharts). With the drought the number dropped off for a couple years (5-7 taken) and has rebounded...