Chimney words, explained
Plain English for the words you hear on a chimney visit.
B
Backdrafting
The reversal of airflow, bringing smoke into the home.
C
Chimney Cap
A protective covering on top of a chimney to keep rain, debris, and animals out.
Chimney Liner
A layer inside the chimney flue that protects the chimney walls from heat and corrosion.
Creosote
A byproduct of burning wood that can build up and pose fire hazards.
Crown
The top part of the chimney that deflects rain, keeping water out.
D
Dampers
Devices used to control airflow in a chimney or flue.
Draft
The flow of air or gases up the chimney necessary for combustion.
E
Efflorescence
White, powdery deposits on masonry caused by moisture drawing out salts.
F
Firebox
The chamber where the fire burns in a fireplace.
Flashing
Material used to seal the joints between chimney and roof, preventing leaks.
Flue
The duct or opening in a chimney for conveying exhaust gases from a fireplace.
M
Masonry
Stone, brick, or concrete work that forms the chimney structure.
R
Relining
The process of repairing or replacing a flue liner to maintain chimney safety.
Repairs
Fixes needed for maintaining the structure and function of the chimney.
S
Spalling
The flaking or breaking of bricks due to moisture.
W
Waterproofing
Treatment applied to prevent water penetration in masonry.
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