"Andy Burns" wrote in message
...
On 05/02/2008 14:59, RobertL wrote:

Apparently burglars don't like it because they cannot make a quick
silent getaway.

Any burglar incapable of avoiding a 6" strip of gravel is going to spend
rather more time staring at 6'x6' walls than actually nicking stuff.

Too true,they don't walk up the sides of the stairs for nothing. ;-)