Q&A for How to Clean Chimneys

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  • Question
    Are there any products I can buy to reduce creosote buildup?
    Community Answer
    Burning certain woods (ie. Manzanita) will reduce and clean creosote from your chimney.
  • Question
    How do I clean heavy soot from a stove pipe?
    Community Answer
    Use a stiff brush to remove built up soot and tar deposits on the initial sweep. Then, if the stove flue has a liner (it should, to comply with building regulations and home insurance policies), use a soft brush for future twice-yearly cleaning.
  • Question
    How do I fix wide cracks on the wall or floor of the chimney?
    Community Answer
    You can use fireplace or stove cement; it comes in a caulk tube. Fill the gap and tool the material to blend in nice, and it will harden. (It may not color match, however.)
  • Question
    How do I prevent the cement blocks of my fireplace and chimney from absorbing moisture?
    Lina DaSilva
    Top Answerer
    Inspect the cement blocks for cracks or damage, as water often seeps in through these. If you find cracks, fill them with high-temperature mortar to prevent water intrusion. Apply a waterproofing agent designed for chimneys, which allows the chimney to "breathe" while blocking moisture. Regularly check for leaks, especially after heavy rain or snow, as early detection can save a lot of trouble.
  • Question
    How can I stop gusty winds from blowing down the chimney and causing smoke in the house?
    Lina DaSilva
    Top Answerer
    A chimney cap with side vents can deflect wind, preventing it from blowing directly down your chimney. Use a wind directional cap that pivots with the wind to block downdrafts. Ensure your chimney is free of obstructions like debris or nests. Experiment with damper positions, as partially closing it can sometimes help. You might also try slightly opening a window on the windward side to balance pressure and reduce downdrafts.
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