Is 1/2" mesh hardware cloth too large to keep out mice ?
Also, for 1/4" mesh, is 23ga heavy enough to keep mice and rats from chewing through ?
Thanks,
Arky
No and I don't think so
NPS Rodent Exclusion Manual (http://www.nps.gov/public_health/info/eh/vector/NPS_RP_Manual_v2.pdf)