Damaged Chimney Flue

Though it can pose a serious safety risk a rebuild may not be necessary to restore a broken flue liner.

Damaged chimney flue.

Corrosive byproducts of combustion cause deterioration. Most tests require the chimney to withstand flue temperatures up to 2100 f without sustaining damage. Sometimes relining requires the removal of some if not all flue tiles. The creosote builds up on the walls inside a chimney flue and over time it becomes a fire hazard.

If a busted tile is located or you see a mortar joint between the tiles beginning to fail it s important to repair it as soon as possible. This flue fire damage video is a quick simulation of how fire leaves the chimney soon after the creosote ignites. Under chimney fire conditions damage to these systems still may occur. When prefabricated factory built metal chimneys are damaged by a chimney fire they should no longer be used and must be replaced.

If so we might have to call in a. There is improper construction. Clay linings are usually square round or rectangular sections two feet in length. Cause flue liners can be made of clay ceramic or metal and must contain the products of combustion and protect the shell from heat and corrosion.

Dummy flue tiles are used for esthetic appearance but are often prone to this type of damage. Flue gases are acidic and they speed up deterioration of mortar. Paint or wallpaper damage. Heatshield cerfractory flue repair it is more cost effective than rebuilding.

Is the paint or wallpaper around the chimney peeling. Special effects on wood stoves. The lining is the wrong size for the appliance which can cause an excessive amount of creosote buildup. Damaged chimney flue tiles.

Creosote is combustible and a cause of chimney fires. It minimizes inner flue id reduction. All the tiles in this flue were similarly damaged. Relining reduces the inner diameter of the flue making it.

Chimney flue repair may be necessary if you have clay flue tiles inside your masonary chimney that are cracked or busted. The following are a few. Watch for exterior damage to your chimney such as bits of brick around the chimney base to avoid the need for expensive masonry repairs. Click to enlarge any image.

Even small holes can be problematic as the crown is what. Signs of chimney damage why you should get it fixed damaged chimney crown. This flue tile was cracked and broken as a result of a chimney fire.