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Glazed Creosote: Removing The Tough Stuff

Creosote is a natural byproduct of incomplete fuel-burning and is commonplace in chimneys and wood-burning heating appliances. This product typically starts out as a tacky, ashy coating on the walls of your appliance and chimney system. Over time, creosote can accumulate in layers that are basically baked into the walls of your system. When you have a buildup of creosote, your chimney’s airflow is limited which can lead to inefficiency and overheating. Plus, restricted air flow means that smoke and gas cannot move up and out of the chimney as quickly, which leads to the production of even more creosote. Creosote is a highly flammable substance and can be set aflame at surprisingly low temperatures. If not properly maintained, it can be a very serious fire hazard that is difficult to remove.

What Can I Do To Reduce My Chance Of A Fire And Keep My Appliance Working Efficiently?

If you are noticing the fast accumulation of creosote in your fireplace or chimney, you may want to take a look at the wood you are burning and the heat at which you are burning it. When the wood has a high moisture content, it typically produces much more creosote when burned. An appliance or chimney that is not working efficiently or properly may also be burning at too low of a temperature. This will not completely burn the wood, which will also lead to a higher level of creosote.

It is important to hire a professional to remove any creosote buildup before it becomes a fire hazard. A professional will also be able to identify what is causing such a high production of creosote and make the proper recommendations for controlling it.

Glazed creosote can be very difficult to remove, but at Chief Chimney Services, Inc. we have the tools, products, and experience to properly and safely rid your chimney and appliance of the flammable substance. Once creosote reaches a certain point, brushes alone are not enough to remove it and we may opt to use a creosote remover. These removers typically work by changing the makeup of the creosote, turning it into an ash that can be brushed off.

Although it is important that you call a professional at the first sign of creosote accumulation, you may want to schedule your annual sweep before the weather gets too hot. Moisture and heat can cause creosote odor to spread and inevitably stink up your home.

Protect your family and home from the dangers of creosote buildup by calling Chief Chimney Services, Inc. today or click here to schedule an appointment online!


Wood-burning appliances are very popular and offer many advantages. Ensure their safe operation by scheduling regular chimney sweeping from the reliable professionals at Chief Chimney Services, Inc.

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Wow! A mother-daughter team, the most pleasant and professional of any chimney service I have encountered. Called in advance, showed up on time, explained everything in detail, was thorough and clean. In a profession full of questionable practices, this was a great experience and I would recommend Diane and Lauren without hesitation. ~ Zev Asch, East Northport, NY
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