I'm not burning the Oslo hot enough
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Here's a picture. Should I avoid burning until it is swept? Creosote seems to go all the way down, but I thought it wasn't that adherent.
jatoxico
Minister of Fire
There's a couple of pros here. Maybe one will chime in but that doesn't look too bad to me. Would be nice to see it be more brown than black that you have but not excessive. What it looks like as you go up may be the issue. The last couple feet and the cap could look very different. Have you gotten up close to the cap or looked with binoculars from the ground?
Actually, it seems to be the same the whole way up. The enormous shiny black plates of creosote were on the underside of the cap.
jatoxico
Minister of Fire
The best thing you can do is sweep and give yourself that piece of mind but unless the cap is occluded I think you can still run the stove. It may be that you burned a bit too cool and in the right conditions crapped up the cap. My cap has looked pretty bad sometimes when burning in icy rain and snow and the water just sucks the heat from the cap so everything condenses on it. Never had anything like what you have so some changes are in order but nothing major I'm guessing.
Thank you all for your expert advice. I'm awaiting a call back from a professional sweep, and my plan is to watch what he does, and see if I can pull this later, maybe with a Soot-eater type product.
firefighterjake
Minister of Fire
Valhalla
Minister of Fire
The Oslo is easy to clean up though the chimney with a SootEater. Then to easily vacuum it out from below. I do it once every September and then again in January for the mid-winter cleaning. It keeps me off the snow overed roof and the flue always safe.
I am getting good secondaries- but I think I wasn't consistently at first. I just didn't get that they really came when you cut down the air. Feel so dumb now.
You're doing ok, just running it a bit cool. This looks about average for the cooler temps you are running. I don't see any red flags here. Take the stove up to 600F once a day and that may turn to brown powder.
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