Chimney words, explained
Plain English for the words you hear on a chimney visit.
C
Chimney Cap
A protective cover at the top of the chimney, keeping out rain, debris, and animals.
Chimney Crown
The top surface of the chimney designed to protect the structure from water damage.
Creosote
A flammable tar-like substance that forms from burning wood and can coat the inside of a chimney.
D
Damper
A metal flap in the flue that controls the flow of air and smoke.
Draft
The flow of air into and out of the chimney, important for proper fireplace operation.
E
Efflorescence
The white staining on brickwork caused by salt deposits left after water evaporates.
F
Firebox
The part of the fireplace where the fire burns, containing the grate and ash pit.
Flashing
Metal sheets used to seal and protect the area where the chimney meets the roof from water penetration.
Flue
The duct through which smoke and gases escape from the fireplace to the outside.
I
Inspection
A review of the chimney and fireplace to check for structural integrity and safety.
M
Masonry
The brickwork or stonework that makes up the structure of the chimney.
R
Relining
The process of installing a new lining inside the chimney to improve safety and efficiency.
Repointing
The repair of mortar joints in masonry to prevent water entry and structural damage.
S
Smoke Chamber
The area above the fireplace where smoke collects before entering the flue.
Soot
A black powdery substance produced by the incomplete burning of wood or coal, accumulating inside the chimney.
W
Waterproofing
Treating the exterior of the chimney to prevent water absorption and damage.
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