Joe,
Are you in the states?  See the reply above reply.  Companies such as PPG and Pilkington make great replacements.. I once replied to a similar question, so to avois the hot flame seat I'll stand corrected.  Be sure to replace the windscreen seal.  Found a good source on 'da net.
http://www.busdepot.com.
Best o' luck to you.
-Tim
Barnegat, NJ
1990 GL

Joseph Tu wrote:

Hello,

My windscreen has been damaged and is not repairable. Any
receommendations as to what I should replace it with, please point me
towards the right people!

THanks

Joe Tu
90 Vanagon