chimney liner
Inner flue tube
A chimney liner is a protective layer installed inside a chimney flue, typically made of clay tile, metal, or cast-in-place cement.
The liner contains combustion gases, protects the chimney walls from heat and corrosion, and improves draft efficiency.
Older chimneys often lack liners or have deteriorated ones that need replacement: The inspector said we need a new chimney liner before using the fireplace.
- flueChimney's inner passage
- brickFired clay building unit
- masonryBuilding with mortared blocks
- creosoteCoal-tar distillate for preservation
- smokeAirborne combustion byproduct
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