Aluminum Chimney Liner Lifespan

A ceramic chimney liner like thermocrete costs 1 000 to 5 000 or 50 to 200 per linear foot.

Aluminum chimney liner lifespan.

While aluminum is the cheapest chimney liner it s only suitable for medium heat gas appliances. This ceramic cement seals a slightly cracked liner that is structurally sound. Thermocrete ceramic chimney liner cost. A cast in place liner is the best choice if you have a masonry fireplace with a clay tile liner that is failing or if you have a chimney with structural problems.

The cast in place chimney lining is made with an insulated mortar like mixture that is perfect for filling in deteriorating mortar joints and. The average lifespan of a chimney liner is 15 to 20 years. The following table lists common external chimney components and their estimated life expectancy of the materials when exposed to normal weathering. We recommend ahrens chiming lining.

A terracotta liner can last up to 75 years compared to a stainless steel liner that has a life expectancy of 25 years. If properly installed and maintained metal chimney liners are extremely safe and durable stainless steel is suitable for wood burning gas or oil appliances while the aluminum is an inexpensive alternative for certain medium efficiency gas applications only. Estimated life expectancy of materials exposed to normal weathering in your chimney regular inspections and maintenance of your chimneys are essential to extending the life of your building. Aluminum liners are lightweight and easy to work with but they rust easier than stainless steel and its lifespan is around five years.

Though the general time frame is 15 to 20 years it s important to note that there are factors that can shorten the lifespan or improve it. After two decades you will probably need to get the entire liner replaced to make sure it s still up to code and not a serious fire risk.