What’s the difference between a liner and an insulated chimney?
A – An insulated chimney is actually a “manufactured” chimney. These come in different forms. Sometimes, such as in a manufactured __ fireplace, sometimes called a zero clearance fireplace, these are usually a double or triple wall chimney. This only means there’s 2 __ or 3 pipes, with air spaces between. “Insulated chimneys” usually have an inside stainless steel pipe, a layer of insulation, then an __ outside pipe of either stainless steel or galvanized metal. __ A liner on the other hand can be clay or “terra cotta”, aluminum or stainless steel. A “liner” uses an exterior shell, usually of some __ form of masonry to support it, and provide protection to combustible surroundings.
