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Chimneys: A Look Back in History
Chimney problems before the 1900's were far less complicated. Mankind had always burned coal or wood for heating and cooking. The temperature in the chimney flue when these materials were burned reached over 300 degrees Fahrenheit. Above this temperature all combustible products leave the chimney in the form of steam or gas and left no residue. However in the past century, these materials were replaced with more economical products of oil and gas. These products only allow the temperature in the chimney flue to barely reach 250 degrees and corrosion problems began. this lower temperature does not reduce everything to steam or gas and instead allows an acidic condensation behind that eventually corrodes mortar, concrete and possibly even stainless steel chimney flues. Corrosion can lead to breaks and leaks and deadly carbon monoxide gasses entering your home and/or business. Regular chimney inspection and cleaning can keep you safe and more recently the use of stainless steel chimney liners have come a long way with keeping chimneys more effective and safe for longer periods of time. But they also have some drawbacks.
Stainless Steel Chimney Liners Are Excellent, But...
Stainless Steel Tubes are corrosion proof for 10-15 years but it is impossible to insert them into a long chimney with bends (often around fireplaces) without breaking open the inside walls of a home or business. This problem is often found in multi family dwellings such as the Chimneys in Brownstones of Brooklyn and Manhattan in our particular service area. Additionally there is the problem of tile knocking. this is the process of having to remove the existing terracotta clay chimney systems found in most homes in Long Island. This is a labor intensive process that is often required when trying to fit a larger stainless steel liner in a pre-existing smaller terracotta chimney flue. In many cases the Furanflex installation is flexible enough to fit right into the pre-existing terracotta chimney.