I swore by the stiffest poly brush for years, then a 3 inch wire brush on a drill saved me on a tarred-up flue in Akron

David Henderson · 2026-10-21T04:30:03.235404+00:00

Took a job on a 1920s house where the creosote was baked on like glass and my regular brush just polished it, so I tried the drill brush at low speed with a shop vac running and it flaked off in sheets, but I'm still not sure if I got lucky with that particular glaze, so has anyone else had it work on the hard shiny stuff or did I just get one good flue?

Librear

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I swore by the stiffest poly brush for years, then a 3 inch wire brush on a drill saved me on a tarred-up flue in Akron | Chimney Sweeps - Librear