Chimney words, explained
Plain English for the words you hear on a chimney visit.
C
Chimney Cap
A protective cover on top of the chimney to keep out rain and debris.
Chimney Crown
The top element of a chimney that prevents water intrusion.
Chimney Relining
Repairing or replacing the flue lining to ensure safe operation.
Creosote
A flammable tar-like substance that builds up inside chimneys.
D
Damper
A movable plate that regulates airflow and smoke through the chimney.
Drafting
The flow of air through a chimney, essential for proper venting.
E
Efflorescence
A white powdery substance on masonry, indicating moisture is present.
F
Firebox
The area where the fire burns in a fireplace.
Flashing
The material used to seal joints where the chimney meets the roof.
Flue
The passage in a chimney for smoke and gases.
L
Lintel
A horizontal support across the top of a chimney opening.
M
Masonry Repointing
The process of renewing the outer portion of mortar joints in brickwork.
S
Smoke Chamber
The area above the firebox that helps funnel smoke into the flue.
Smoke Shelf
A part of the chimney that helps direct air and smoke upwards.
Spalling
The cracking or crumbling of bricks due to moisture exposure.
W
Waterproofing
Applying a protective sealant to prevent water penetration in masonry.
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