Chimney words, explained
Plain English for the words you hear on a chimney visit.
A
Ash Pit
A cavity below the fireplace to collect ashes.
B
Backdraft
The reverse flow of air and smoke into the home from the chimney.
C
Chimney Breast
The part of the chimney that projects into a room.
Chimney Cap
A protective covering that keeps debris and animals out of the chimney.
Chimney Crown
The top element of a chimney designed to protect against weather damage.
Chimney Liner
A lining inside the chimney to protect the walls and improve efficiency.
Creosote
A flammable tar-like substance that builds up in chimneys from burning wood.
D
Damper
A movable plate in the chimney that controls airflow and smoke passage.
Draft
The upward flow of smoke and gases in a chimney.
F
Firebox
The part of the fireplace where the fire burns.
Flue
The passageway in the chimney that directs smoke outside.
M
Masonry
Brick or stone work that forms the structure of the chimney.
R
Repointing
The process of renewing the external part of mortar joints in masonry.
S
Smoke Chamber
The area just above the firebox that funnels smoke into the flue.
Soot
A black powdery substance produced from burning materials.
W
Waterproofing
Treatment used to protect chimneys from water penetration and damage.
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