Chimney words, explained
Plain English for the words you hear on a chimney visit.

B
Backdraft
When smoke comes back into the home due to poor venting.
C
Chimney Cap
A cover on top of a chimney to keep out rain, debris, and animals.
Chimney Crown
The top surface of a chimney which helps protect it from weather.
Creosote
A flammable substance that accumulates from burning wood and can cause chimney fires.
D
Draft
The flow of air up the chimney which helps draw smoke out of the fireplace.
F
Firebox
The area inside a fireplace where the fire is built.
Flashing
Metal strips used to prevent water from seeping into the chimney where it meets the roof.
Flue
A duct or passageway for smoke and gases to exit the fireplace or furnace.
I
Inspection
A thorough examination of a chimney to assess its condition.
L
Lintel
A horizontal support across the top of the fireplace opening.
M
Masonry
Brick, stone, or concrete used in building structures like chimneys.
Mortar
A mixture used to bond bricks or stones together in masonry construction.
R
Repairs
Actions taken to fix damage or wear in a chimney structure.
Repointing
Repairing the joints in masonry by filling in missing or damaged mortar.
S
Smoke Chamber
The area above the fireplace where smoke mixes and moves into the flue.
W
Waterproofing
Application of a sealant to a chimney to prevent water penetration.
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