Pro tip: a sweep in Portland showed me the 1 to 10 creosote scale and I had it wrong for 9 years
I always eyeballed glaze and called it stage 3 when it was really stage 2, but he pulled out an actual printed chart from the CSIA class he took in 2021 and walked me through each level with photos. Turns out the shiny hard stuff I was treating as normal is stage 3 and needs a rotary loop, not just a standard brush. How do you all explain the stages to homeowners so they don't think you're upselling them?