Hi all, we've built a 10'x10'x6' duck pen for our two young girls out of 1 1/2" PVC. Frame is complete. Bottom 3' will be 1" hardware cloth, the rest, 1" chicken wire. We have no raccoon, possum, but do have neighborhood cats, rats/mice, the occasional hawk and occasional owl. Roof will be enclosed in chicken wire then an additional shade cloth, tarp, or something along those lines pending winter when I will look into corrugated plastic roofing. Girls will be sleeping inside our home at night. Sound good?