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Ngl I dropped $60 on a rotary brush kit and I regret not buying it sooner
Honestly everyone in this trade keeps saying you need the stiffest poly brush you can find and just scrape everything with rods, and I went along with that for way too long because it is what my old lead guy in Toledo drilled into me. About 3 months ago I finally broke down and spent $60 on a rotary brush kit with the flexible whip head, and it changed how I do flue work on the older masonry chimps around here. The thing gets into those offset smoke shelves and the crooked sections where my flat brush just skids past buildup, and I am pulling out creosote that I know I was leaving behind for years. Yeah it takes a couple extra passes because the whip spins and eats soft glaze instead of chipping it, but I would rather do 2 slow passes than lie to a homeowner about the flue being clean. My only real gripe is on the smooth clay liners the rotary is overkill and I still grab the flat brush, so it is not a one tool replaces all deal. Has anyone else had good luck with a whip setup on really bad glazed flues, or do you still hand scrape the heavy stuff first?
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fiona3326d ago
I run the whip head on glazed stuff all the time and yeah you still gotta knock the heavy crust off first or the whip just polishes it. What works for me is taking a flat brush or even a scraper head and busting the thick top layer loose, then going back through with the rotary to get what is stuck to the walls. Those offset shelves you mentioned are the worst, I had one last month where the whip pulled out chunks I could not even see with the camera. Two slow passes is nothing compared to a callback when the homeowner fires it up and it smokes out the living room.
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