Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdrafting
A situation where smoke re-enters the home instead of exiting through the chimney.
C
Chimney Cap
A cover on top of the chimney to keep rain, debris, and animals out.
Chimney Crown
A slab that covers the top of the chimney to protect it from weather.
Chimney Inspection
A professional assessment of the chimney’s condition.
Chimney Relining
The process of replacing or repairing the liner inside a chimney.
Creosote
A tar-like substance that builds up in chimneys from burning wood.
D
Damper
A movable cover in the flue that regulates airflow and prevents heat loss.
Draft
The upward flow of air that carries smoke and gases out of the chimney.
F
Flashing
Material used to seal and protect the gap between the chimney and roof.
Flue
The duct or opening in a chimney for conveying exhaust out of the home.
L
Liner
A clay, ceramic, or metal conduit installed within a chimney.
M
Masonry
Brick or stonework that constitutes the chimney structure.
R
Repointing
Repairing the mortar joints in brick or stone chimneys.
S
Smoke Chamber
The space above the fireplace where smoke mixes before entering the flue.
Soot
A black powdery substance formed from incomplete burning of wood.
Spark Arrestor
A device installed at the chimney top to prevent sparks from escaping.
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