[quote user="Gluestick"] [quote]He was concerned that the openeing at the top of the chimney was narrower than at the base and initially said that his flexible liner would not fit [/quote] I've yet to see a chimney where the opening at the top was larger than the base! If your ramoneure was able to push a standard sized flue brush right out at the top, then normal sized Inox liner should fit. Do you burn wood, for example, in the present open fireplace and how does this draw when lit? [/quote] Think you should read that again[8-)]