On Sun, 25 Jun 2006 17:40:42 GMT, Lobster wrote:
How well supported are your wood panels? They need to be absolutely
rigid, with no flexing. I've had the same problem as you in the past,
which was cured by adding another supporting batten behind the panel.

David

Hi David, thank you for your reply. I believe the wood panels are
absolutely rigid. Even given them a good wack with my hand they move
less than the internal walls.
--
Steve