On 15 Nov 2006 17:33:08 GMT Ian Stirling wrote :
Then drill the brick with 38mm holes (diamond core drills are cheap and
fun) to some 50mm or so.

Into this, cement 5" or so lengths of 1"*1" timber.

Personally I'd be unhappy about cementing bits of timber into a solid
wall which is going to be very cold given the new insulation: too much
risk of damp and decay for my liking.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk