In article , Simon
wrote:
By the way, how accurate are bricks ? They would need to be very
precise to ensure no veering off on a high brick wall.

It depends on the bricks: flettons and wire-cut extruded bricks (the
ones with holes in them) are usually pretty consistent. If you pay
serious money you can get hand made stocks - no two the same.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm
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