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Sweeping, Chimney & Fireplace Cleaning

Cleaning your chimney is routine maintenance for any operating chimney, it’s main purpose is to prevent chimney fires and prevent costly damage to the inside of the chimney.

What is creosote and why is it dangerous?


Creosote comes from what most people think of as ‘smoke’ is better termed ‘flue gas’. This ‘smoke’, or flue gas is released by the initial fire: the ‘primary combustion’. Flue gas consists of steam, and vaporized unburned carbon based by-products (vaporized creosote).

As the flue gas exits the fireplace or wood stove, it drafts upward into the relatively cool flue where condensation occurs, like hot breath on a cold mirror, the cool surface temperature of the flue causes the carbon particles in the warm vapor to solidify. The actual cause of creosote condensation is the surface temperature of the flue in which the flue gas comes in contact. This resulting carbon based condensation which materializes inside the flue is creosote.

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There are three different stages of Creosote


  • Fine black dust called soot
  • Porous, Loose and Crunchy
  • Glaze: tar-like; drippy and sticky when warm but hardens when cool

All forms of creosote can occur in one chimney system. Whatever form it takes, creosote is highly combustible. If it builds up in sufficient quantities – and ignites inside the chimney flue: the result is a volcanic chimney fire. This can all be prevented by a simple chimney sweep to remove the dangerous creosote.

We offer many services, including Chimney Inspections, Repair, Cleaning in Cape Cod and Fireplace Cleaning in MA

Frequently Asked Questions


How often should I schedule chimney cleaning services?

Most homeowners should schedule a professional chimney cleaning and inspection at least once a year, especially before fireplace season begins. Regular cleanings help remove creosote buildup, soot, and debris that can increase the risk of chimney fires and poor ventilation.

What are the signs that my chimney needs cleaning?

Common warning signs include strong smoky odors, excessive soot buildup, poor fireplace draft, smoke entering your home, or visible creosote inside the flue. If you notice any of these issues, it’s important to have your chimney professionally inspected and cleaned as soon as possible.

Why is creosote buildup dangerous?

Creosote is a highly flammable residue that forms inside chimneys when wood burns. Over time, it can accumulate and create a serious fire hazard. Professional chimney sweeping removes creosote buildup and helps keep your fireplace operating safely and efficiently.

What happens during a professional chimney cleaning appointment?

During a chimney cleaning service, technicians inspect the chimney system, remove soot and creosote buildup, check for blockages or structural issues, and ensure the fireplace and flue are operating safely. Companies like Old Tyme Chimney Sweep also look for leaks, cracks, and ventilation problems that could affect chimney performance.

Now It's Time To Get To Work!


Homeowners in Cape Cod and the surrounding areas in MA, choose us for our dedication to quality craftsmanship and customer satisfaction. With a one-year guarantee on all services, we ensure peace of mind and lasting results.

Old Tyme Chimney Sweep