The Chimney Champion Insulation Mix - 45 lb Bag can be the best way to provide insulation on a chimney liner. Solid fuel chimneys that do not meet code can be insulated with 1” of Chimney Champion Insulation Mix - 45 lb Bag to provide Zero-Clearance between the exterior of the masonry and combustibles. Also in some tight-clearance situations insulation mix may be the only insulation possible.
One bag fills 2.5 Cubic Feet. This insulation is often the most economical choice and it dries extremely fast. It will work with any of our liners flexible or rigid.