Chimney Liner insulation is the smartest investment you can make when burning fuel in your home. Even if your chimney doesn't require it, we always say better safe than sorry, this goes double when you're dealing with open flames inside your home. Beyond that insulating your chimney liner is the single best way to improve burn efficiency. This allows you to burn less fuel while keeping your chimney liner cleaner.
If you're purchasing a liner and plan to insulate please head over to our Pre-Insulated Liners and save yourself some time.