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post #5 of Old 04-25-2011
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If properly epoxied and epoxied to the hull plywood is probably a fair substitute for fiberglass. Fiberglass is easy to make, can be purchased, or can be obtained as offcuts/waste from a builder.
My job lets me see many boats' bilges and I can't recall wood backing blocks that were not soft and punky with age.

Living aboard in Victoria Harbour
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