What Is a Flexi Flue

A flexible flue liner is designed for re-lining an existing masonry chimney. … Flexible flue liners are manufactured with two skins of stainless steel 316 L or 904L and are suitable for gas, oil and multi-fuel, including wood burning appliances where the maximum flue gas temperature does not exceed 600°C.

How long does a flexi flue last?

Suitable for most domestic wood burning stove applications, it affords premier heat protection and a long lifespan. In fact, it can last for more than 10 years.

What is the difference between a flue and a vent?

Vents are always factory built. They are not chimneys, as they cannot handle the high temperature of wood combustion. Some vents, however, may run through a chimney, given that anything else venting through the chimney is contained in a separate flue.