"Dan Green" wrote in message
...
Hi all,

Can anyone explain what kind of damp this is and what might be causing
it? There is nothing amiss or damaged on the outside of the building that
could account for it so I'm at a complete loss as to what the underlying
problem could be. Here's a pic:


http://oi66.tinypic.com/1zzgvn4.jpg

Thanks.



cold surface condensation ......?