Bird/vermin nest removal
Nest debris
As you can see it's not just a couple of twigs that they use. These nests can sometimes take over entire chimneys. And they use an array of combustable materials including dog hair.
A bird nest completely blocking the flue
Birds are master craftsman when it comes to building nests. and when built they are compact and solid feats of construction.
Clean as a flue!
Jobs a gooden!