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Old 09-11-2018, 05:47 PM
  #5  
Highflight
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Join Date: Feb 2003
Location: Jackson, MS
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If kept in a dry environment (just in a garage is fine... doesn't have to be air conditioned), Balsa should be like ammunition. Good until needed.

I've got a stash that's almost 35 years old and it's all good. Still flat (because it was stored flat) and not brittle at all.