So I found in a search on another thread that raccoons can reach through the hardware cloth. Looks like I either need to add another layer on the inside as a buffer or go with the electric. I am definitely doing the electric, because it is a quick and easy solution (I already have an electric...
I recently built a coop for our 4 ducks (Pekin) from 1/2" Hardware cloth. It is very secure, but this morning, one of the ducks was dead. It was between the water bucket and the outside wall of the coop. Something had clearly eaten a bit of the breast. I am going to add electric fence to it...