Chimney words, explained
Plain English for the words you hear on a chimney visit.
C
Chimney Cap
A cover at the top of the chimney that blocks debris and moisture while allowing smoke to escape.
Chimney Chase Cover
A cover that fits over the top of a pre-fabricated chimney to keep out rain, snow, and debris.
Chimney Crown
The top surface of a chimney which is designed to protect the chimney's masonry from weather.
Chimney Flashing
Metal strips used to seal and protect the joint between the chimney and roof from water leakage.
Creosote
A tar-like substance that builds up inside a chimney from burning wood and can pose a fire hazard.
D
Damper
A movable plate that regulates airflow and can be closed to prevent heat loss when the fireplace is not in use.
Draft
The upward airflow in a chimney which helps smoke exit the home effectively.
F
Firebox
The part of a fireplace where the fire is built and contained.
Flue
The duct or opening in a chimney that vents smoke and gases from a fireplace to the outside.
L
Linings
Materials that line the inside of a chimney flue, protecting the chimney walls and improving efficiency.
M
Masonry
The construction of structures from individual units like bricks or stones, often bound together by mortar.
R
Repointing
The repair of mortar joints in masonry, crucial for structural longevity and weatherproofing.
S
Smoke Chamber
An area above the firebox and below the flue that helps in smoke drafting upwards.
Soot
A black powdery or flaky substance resulting from incomplete combustion of wood or coal, often found in chimneys.
Spalling
The breaking or flaking of masonry or concrete, often due to moisture penetration.
W
Waterproofing
The process of applying a protective layer to prevent water penetration into the chimney structure.
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