Here come the squirrels again!

Last March, we had the opportunity to replace a roof for a client in Bahama, NC.  The project went very smoothly...that is until last week.

We received a call from the client reporting squirrels were knawling on his recently installed pipe collars.  These were not the usual black neoprene pipe boots. We had installed lead pipe boots which under "normal" circumstances last longer than neoprene.

Much like my earlier post, dated 7/6/11, the squirrels had other ideas.  Here is what we encountered when we retrieved the collar.  Again this is the second time this year we have encountered squirrels damaging metal.

 Anyone with a suggestion as to how to prevent this type of damage in the future would be greatly appreciated.