On Apr 28, 4:45*pm, wrote:
*Make ONE opening into the second floor cavity from outside.. Soak
some rags in ammonia and stuff them in the hole as far as you can
shove them with a broom stick, or whatever. The critters WILL come
out.

Will that run the G*@#$% shrews out of my upstairs knee wall? Un
fortunately even if it would there is no practical way to seal them
out.