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post #6 of Old 09-27-2004
Jeff_H
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Best way to remove barrier coat

Sanding an older boat to the extent necessary to remove the barrier coat is a really bad idea. That kind of sanding produces a lot of heat which can trigger a break down of the resins deeper in the laminate. This provides a mechanism for deeper blisters and delamination to occur. Barrier coats provide not assistance in preventing this kind of blistering.

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