1/2" HC is good stuff, IF it is attached properly.....
....I have seen only a couple breaches of it reported here, one and possibly the other was improperly attached.
It's advantage is the small mesh, which keeps smaller predators out(including wild birds bringing pests),
and it's harder for...
Don't put HC on the floor....make an apron around outside instead, a bit less material and safer for chicken feet.
You can use screws with washers instead of between 2 pieces of wood.