We had a flex liner installed last year and put about a cord or maybe a bit more through it last winter. I just had it cleaned today and they told me it had about a 1/2 inch of soot built up but no creosote. I always thought they were the same thing but this guy said they are different, so what is the difference?
Also, our liner isn't insulated and is about twelve feet tall (outside section is about six feet), would insulation help soot build up in a system this short?
Also, our liner isn't insulated and is about twelve feet tall (outside section is about six feet), would insulation help soot build up in a system this short?