This is so sad. Three brands went up in smoke the other day. Luckily no one was injured. I haven't seen a cause but would assume that since it was in the middle of the night and no one was there that this was probably a chaff fire that got out of control. One little ember can go undetected and grow...to the point it ignites the creosote. Then it gets crazy. Keep your roasters clean.
https://dailycoffeenews.com/2020/04...s-coffee-and-luna-gourmet-roastery-in-denver/
https://dailycoffeenews.com/2020/04...s-coffee-and-luna-gourmet-roastery-in-denver/