Chimney words, explained
Plain English for the words you hear on a chimney visit.

A
Ash Pit
A compartment below the firebox where ashes collect.
B
Backdraft
Smoke or gases entering a home due to poor chimney ventilation.
C
Chimney Cap
A protective covering on top of the chimney that keeps out debris and animals.
Chimney Crown
The top surface of a chimney that helps prevent water damage.
Creosote
A flammable tar-like substance that builds up in chimneys from burning wood.
D
Damper
A movable plate that regulates air flow in a chimney and keeps outside air out.
E
Efflorescence
White staining caused by salt deposits from water evaporation on bricks.
F
Firebox
The chamber where the fire burns in a fireplace.
Flue
The duct or pipe through which smoke and gases from a fire are vented outside.
I
Inspection
A thorough examination of a chimney to check for structural and safety issues.
L
Liner
A protective layer in the chimney flue that ensures safe venting of smoke and gases.
M
Masonry
The construction of chimneys and fireplaces using bricks or stone.
R
Relining
The process of repairing or installing a new liner inside a chimney flue.
Repointing
Repairing mortar joints in masonry that have deteriorated over time.
S
Smoke Chamber
A space above the fireplace that funnels smoke from the fire to the flue.
W
Waterproofing
Applying a protective barrier to prevent water absorption in chimneys.
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