> There is a expanded metal grill that might prohibit/reduce bee access.
> I think they might discourage future swarms if they are available to you.
6 mesh hardware cloth should do the trick and reduce sparks, without
restricting draft at all.
BTW 5 mesh hardware cloth is often used as an exclude as bees can pass
thru, leaving drones and queens behind.
Allen
W. Allen Dick, Beekeeper VE6CFK
Rural Route One Swalwell Alberta Canada T0M 1Y0
Email: [log in to unmask] or [log in to unmask]
Virtual Art Gallery: http://www.cuug.ab.ca:8001/~dicka
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