Why do I have to line and insulate my chimney?

Here is a link to our dedicated why you should line your chimney page. You will find a lot of information on that page as well as useful statistics and information about chimney fires.

A short answer is: you don't actually >have to< line and insulate your chimney, unless it's damaged in some way it's not a regs. requirement. However it is a really good idea, will increase the safety of your system and will usually make your stove work better too.