Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdraft
The reverse flow of air, drawing smoke back into the house instead of up the chimney.
C
Chimney Cap
A protective cover at the top of a chimney to keep out debris and animals.
Chimney Relining
The process of installing a new liner inside a chimney to ensure safe operation.
Creosote
A flammable byproduct of burning wood that builds up in chimneys and can lead to fires.
Crown
The top part of a chimney, which helps protect it from weather damage.
D
Damper
A device used to seal the flue when a fireplace is not in use.
Draft
The upward flow of air that draws smoke and gases out of your home through the chimney.
Draft Hood
A device used to ensure proper draft conditions within heating appliances.
E
Efflorescence
White staining on masonry surfaces caused by water pulling salts to the surface.
F
Firebox
The area where the fire is built in a fireplace.
Flue
The duct or channel within a chimney that allows smoke and gases to escape.
L
Lintel
A horizontal support across the top of a fireplace opening, providing structural support.
M
Mortar
A mixture used to bond bricks or stones together within a chimney.
R
Repointing
The process of renewing the external part of mortar joints in masonry construction.
S
Smoke Chamber
The area above the fireplace where smoke is directed into the flue.
Spark Arrestor
A device installed in a chimney cap to prevent sparks from escaping.
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