Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdraft
When smoke or gases are drawn back into the home instead of exiting.
C
Chimney Cap
A cover on top of the chimney to prevent rain, debris, and animals from entering.
Chimney Liner
A layer inside the flue that protects the chimney walls from heat and corrosion.
Creosote
A flammable substance that builds up inside chimneys from burning wood.
D
Damper
A device inside the flue that can be opened or closed to control airflow.
Draft
The airflow direction that carries smoke out of the chimney.
E
Efflorescence
White stains on masonry caused by water drawing out salts from bricks.
F
Flue
The vertical passageway in the chimney that allows smoke and gases to escape.
I
Inspection
A service where a professional examines the chimney for safety and efficiency concerns.
M
Masonry
Brick or stonework that makes up the structure of the chimney.
Mortar
A mixture used to bond bricks or stones in masonry.
R
Repointing
The process of repairing mortar joints in brick work.
S
Smoke Chamber
The area above the firebox that funnels smoke into the flue.
Soot
A black powdery substance resulting from incomplete combustion of wood.
Spark Arrestor
A device installed on a chimney to prevent sparks from escaping.
W
Waterproofing
Applying a sealant to the chimney to prevent water penetration.
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