Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdraft
When air flows down into the chimney, potentially bringing smoke and gases into the home.
C
Chimney
A structure that provides ventilation for smoke or flue gases from a stove, furnace, or fireplace to the outside.
Chimney cap
A cover at the top of the chimney that prevents rain, debris, and animals from entering.
Chimney cleaning
The removal of soot and creosote from the interior walls of the chimney flue.
Chimney inspection
An evaluation of the chimney's structure and components to ensure safety and efficiency.
Chimney liner
A lining inside the chimney flue that protects the masonry from heat and corrosion.
Creosote
A flammable, tar-like substance created from burning wood that can accumulate inside chimneys.
D
Draft
The movement of air up the chimney, which affects the fire and smoke behavior.
F
Firebox
The chamber that contains the fuel and where the fire burns in a fireplace.
Flashing
Weatherproofing used where the chimney joins the roof to prevent leaks.
Flue
The duct or pipe inside a chimney that carries smoke and gases out of the building.
M
Masonry
The stonework or brickwork that constitutes the main structure of a chimney.
R
Repointing
The process of renewing the outer portion of mortar joints in masonry.
S
Smoke chamber
An area above the fireplace that funnels smoke into the flue.
Spark arrestor
A device on the chimney cap to prevent burning debris from escaping.
W
Waterproofing
Applying a protective coating to the exterior of the chimney to prevent water penetration.
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