On Tue, 31 Jul 2012 20:04:41 +0100 Phil L wrote :
Never heard of a concrete liner in a chimney, nor have I ever seen a chimney
breast in 30 years of working in old houses that wasn't keyed in to the wall
it was built against.

Must be a regional thing as I've only really worked in a hundred mile radius
of Manchester.

IIRC the requirement to line solid fuel chimneys with concrete or clay liners
came in with the 1965 Building Regs.

--
Tony Bryer, Greentram: 'Software to build on',
Melbourne, Australia www.greentram.com