Welcome!
Most of us start with 'not good enough' security, and learn the hard way that what we've done hasn't prevented predation.
Hardware cloth, well secured, is the minimum necessary. We also have 2"x 4" woven wire over the hardware cloth on the lower 4' of the run, and it has a concrete foundation. Why? Bad experiences.
Pictures taken of our coop/ run combination right after it's newest reconstruction, so still not stained. The wire is attached with fencing staples, and then boards screwed into the structure over the top.
For bears, electric fencing is necessary in addition.
Mary
Most of us start with 'not good enough' security, and learn the hard way that what we've done hasn't prevented predation.
Hardware cloth, well secured, is the minimum necessary. We also have 2"x 4" woven wire over the hardware cloth on the lower 4' of the run, and it has a concrete foundation. Why? Bad experiences.
Pictures taken of our coop/ run combination right after it's newest reconstruction, so still not stained. The wire is attached with fencing staples, and then boards screwed into the structure over the top.
For bears, electric fencing is necessary in addition.
Mary