Just learned something about creosote buildup that makes way more sense now
I was up on a job last Tuesday cleaning a flue for a lady in Maplewood, and her chimney was a mess. Like, I've seen bad ones before but this had this weird shiny crust I don't normally get. So I called up an old sweeper I know, guy named Frank who's been doing this since the 80s, and he told me it was glazed creosote from burning unseasoned softwood. He said to try a rotary loop tool with a chain flail attachment instead of just my standard brush. I gave it a shot on that job and man, it cut through that stuff like butter. Took me maybe 20 extra minutes but the result was way cleaner than my usual approach. How do you guys deal with glazed creosote when you run into it? Is there a trick I'm still missing?