Creosote buildup inside your chimney is the primary reason you will need to have the chimney cleaned, and it is the primary cause of chimney fires. Creosote is one of the chemical products of “incomplete combustion of fuel”. It is one of byproducts of burning fires that is carried up your chimney through the flue to be vented safely outside.
There are several steps you can take to minimize creosote condensation inside your chimney. The first and easiest is to always burn well seasoned wood in your fireplace or woodstove. Green wood, or unseasoned wood, has high water content so it burns cooler with more smoke. Cooler burning and more smoke both contribute to creosote buildup in your chimney.
You also want the most complete combustion of your wood that is possible for your fireplace or woodstove. Meaning, you want to burn the wood in the fire as completely as you can at a hot temperature. A small, hot fire burns the fuel more completely than a large, cooler fire.
Non-toxic and environmentally safe creosote cleaner is also sold. Creosote cleaner, which you can spray inside your fireplace or wood stove, and on the wood within the firebox, helps prevent chimney fires, and turns dangerous creosote and soot into a harmless ash or char that can be easily removed. Once your fire is lit, creosote cleaner helps reduce the amount of buildup in your chimney and helps breakdown the creosote that exists there from previous fires. Although sprays do decrease the creosote, it by no means is a real substitute for a regular chimney sweeping.
However, anti creosote sprays are a great addition to your cleaning repertoire, helping prevent the creosote from becoming too solid. Spraying your fireplace or wood stove regularly is a very good idea for chimney maintenance.
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