On Mon, 05 Sep 2011 16:50:56 +0100, Grimly Curmudgeon
wrote:

On Mon, 5 Sep 2011 07:46:40 -0700 (PDT), alec green
wrote:

There are no obvious signs of damp which I believe they like. Is
there anything available to track their entry point?

You might try a fine coating of dust over a couple of square feet.
How fine it would have to be, I don't know,

How do you find out which couple of their feet are square?


G.Harman