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Delfino's Blister Repair
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If you do not know anything about osmotic blisters on fiberglass boats, or even if you do; read this article which give a very detailed look as to the possible causes and cures of this phenomenon.

Luckily the hull is solid fiberglass otherwise itl would have catastrophically failed years ago.  I ground out ~300 blisters in the hull and filled them with West System epoxy and a filler additive.  Next I faired the areas to flush with the hull.

 

Time constraints stopped me from applying an Interprotect barrier coat.  In the Spring of ’07  the barrier coat was applied after some minor fairing and the bottom should be good for its lifetime with us.

 

 

 
 
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