Chimney Cleaning (Sweeping) - The process of removing soot, creosote, and debris from a chimney. ... This means that any holes, cracks or deteriorations must be repaired or replaced to ensure the performance and safety of the chimney system.
Deposits of hydrocarbons that were in the smoke going up the chimney that have condensed into a solid form.
(also referred to as a Saddle) A ridge that extends from the back of the chimney to the slope of the roof, with the purpose of shedding water away from the connection between the chimney and the roof.