Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdraft
Smoke or gases coming back into the room due to poor chimney flow.
C
Cap Damper
A damper located at the top of a chimney to seal it from weather and drafts.
Chimney Cap
A cover on top of the chimney that prevents rain, debris, and animals from entering.
Chimney Crown
The top element of a masonry chimney designed to keep water out.
Chimney Liner
A lining inside a chimney that protects the chimney walls and enhances safety.
Cleanout Door
A door located near the base of the chimney for removing soot and ash.
Creosote
A flammable tar-like substance that accumulates in chimneys and can cause fires.
D
Damper
A device to control airflow and draft in a chimney.
Draft
The upward flow of air that carries smoke and gases up and out of the chimney.
F
Firebox
The part of the fireplace where the fire is built.
Flashing
Material used to seal the joints between the chimney and roof.
Flue
The duct or opening in a chimney for conveying exhaust gases.
M
Masonry
The brick, stone, or concrete construction of the chimney.
R
Repointing
The process of renewing the external part of mortar joints in masonry.
S
Smoke Chamber
The area above the firebox that guides smoke into the flue.
W
Waterproofing
A treatment applied to chimneys to prevent water penetration and damage.
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