Hi Lars,
First, check out the repair guidance here on the Starboard website:
http://www.star-board.com/2008/pages...sst_repair.php
If you don't find what you need at the above site, check out Eva Holiman's "boardlady.com" website for all of the materials information you need to repair your GO board.
Here's the link:
http://www.boardlady.com/
Also check out the following thread:
http://www.star-board.com/forum/showthread.php?t=2827
Hope this helps,