Understanding the function ofchimney fluesand chimney flue linersis essential to overall fireplace and chimney safety and maintenance.
Every wood-burning or gas fireplace has a flue.Gelandfaux fireplacesdo not have chimneys or flues.
Chimney flues have traditionally been made from fireclay flue tile.
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More recently, stainless steel flues are used in addition to clay tile.
What Is a Chimney Fire?
A chimney fire is a terrifying event that cannot be easily reversed.
Theflue may crack, permitting flames to reach the home’s structure.
Fire departments must direct water down into the house from the top to extinguish the fire, resulting inflooding.
Smooth inner flue surfaces help the smoke travel upward more freely.
They Protect Chimney Materials
Fires produce contaminants that are carried by the smoke.
Clay and steel chimney flues protect the surrounding brick from creosote, acids, and other contaminants.
However, many flues can be re-linedin other words, the liner itself can receive a second liner.
Flue liners are made either from rigid or flexible stainless steel.
Relining your chimney can improve the fireplace’s draft.
Smoke and gasses will rise more freely.
And, most importantly, fireplace operations will be safer.
Chimney Flue Legal Requirements
Building codes vary by municipality.
Some homeowners opt to clean their own chimney flues by purchasing chimney sweeping kits.
First, the firebox is sealed with plastic to prevent debris from entering the home.