It is very common to find squirrels have chewed on the lead plumbing vent collars on roof tops. This eventually allows rain to enter into the attic then house which is not a good thing. This home owner was creative and decided to fight the squirrels by adding aluminum foil and a gas vent hood.

What a collar
1 Comment
September 12, 2008 at 4:30 am
I am a full time home inspector as well. Don’t you just love some of the off the wall repairs you find? My favorite was a nerf football stuffed into a hole in the plenum of the HVAC unit!