Terry Pinnell wrote:
My up-and-over garage door has over an inch gap at the bottom. So I'm
constantly sweeping out dead leaves. Can anyone recommend an easily
applied (and easily obtained) strip of material I can secure to it
please?


I added a bristle strip (metal strip with about an inch of bristles
coming out along its length) to the bottom of ours after rodent ingress
a little while back.

Since then, no more rodents.