Why Reline & Insulate Chimney’s

A single wall brick chimney can be extremely hazardous. The purpose of a liner is to protect the house from heat transfer to combustibles. An unlined chimney allows enough heat to transfer through and ignite wood structures in just a few hours. Liners also protect the chimney structure from the corrosive byproducts of combustion. If the flue gases penetrate to the brick and mortar the usable life of the chimney decreases. Flue gases are acidic and literally eat away at the mortar joints from inside the chimney. Heat transfers more rapidly to the nearby combustibles and dangerous gases such as carbon monoxide can leak into the living areas of the home. Liners allow for a correctly sized flue, improving the performance and safety of the appliance being vented. An under or over sized liner can allow the production of carbon monoxide which then leaks into the structure.


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