Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdraft
Reverse flow of air into a house from a chimney.
C
Chimney Cap
A cover on top of the chimney that prevents rain, debris, and animals from entering.
Chimney Crown
The top element of a chimney designed to protect the structure beneath.
Creosote
A flammable substance that builds up in chimneys from burning wood.
Crown Wash
A sloped surface around the chimney top that sheds water away from the chimney.
D
Damper
A movable plate in the flue that seals the chimney when not in use.
Draft
The airflow that pulls smoke and gases out of the chimney.
F
Firebox
The part of the fireplace where the fire burns.
Flue
The passage in the chimney through which smoke and gases escape.
L
Lintel
A horizontal support above a fireplace opening.
M
Masonry
The brick, stone, or concrete work of the chimney.
R
Relining
Replacing or repairing the lining of the flue to maintain safety and efficiency.
Repointing
The process of renewing the pointing in masonry construction.
S
Smoke Chamber
The area above the firebox that funnels smoke into the flue.
T
Throat
The opening above the firebox leading into the smoke chamber.
W
Waterproofing
Treatment applied to prevent water penetration in chimneys.
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