Can this be used to fix a fiberglass canoe?
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On their data sheet it says it's not waterproof. Only the "Bondo Fiberglass Resin" is waterproof. However, I still don't know if it can be used in your particular application (i.e. weight-bearing repair, submerged in water, etc...), but researching about that product would be a good place to start.
Was this Answer Helpful ?No, this putty is not structural. To fix a fiberglass canoe you should use fiberglass cloth plus epoxy or polyester resin.
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