meuharris wrote:
My chimney is a very old and wide.
I suspect that the brush I use may not be contacting the sides of the
chimney.Is this likely and can I get a wider one or use another
technique?

You want one of these. Give 'em a little boost up at the bottom and they
can manage the rest. ;-)

http://www.bbc.co.uk/schools/victori...index/bert.gif

Tim