i have read reports on this site of coons ''going right through chicken wire''. honestly,, i find that hard to believe, as i have tried tearing it myself, and i'm not exactly a 100 pound weakling. also, i've had my son, who is 6'2'', 210#s, with BIG ARMS [ longtime weightlifter ] try, and he said, '' no way''. i have 26 gauge steel roofing panels, laid on their side, on 3 sides of the coop, so i have steel up to 37''. the other side has 2 layers of chicken wire, and a layer of 1/2 hardware cloth, it would take a bear to go through this. [ and we don't have them ] to begin with, they cannot reach up that high, on their hind legs, and get a decent purchase on the wire to tear it. but,, i have 10'x16' of yard with one layer of new chicken wire on top of it. so,, , theoretically they could get on the roof, and tear through. i'm gonna revise my coop this fall and winter, mainly due to chicken snakes,, and i want to cover all bases. what'cha think?????