On Mar 20, 8:44 pm, Tim Watts wrote:
Jim K wrote:
Page 20, Paragraph 1.40
....."Flexible flue liners should only be used to reline a chimney and
should not be used as the primary liner of a new chimney.."

That is my understanding - and there's not much point anyway if a chimney is
being built as it's easier to use sectional clay liners or whatever it is
they use these days.

--
Tim Watts

indeed.
suspect an unNatural cockup ;)

Jim K