Cleaned a 200-year-old flue in Concord and found a bird nest made of fiberglass insulation

2 comments

2 Comments

I read somewhere that birds will use just about any material they can find for nests. Fiberglass insulation in a flue sounds like a bad fire hazard waiting to happen.

umamartin1mo ago

Ngl fiberglass is probably safer than all the plastic twine they normally use.