Quote:
Originally Posted by BroadHopper
Bit surprise to hear that they use concrete.
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I was a bit surprised too. But, concrete has been used as marine ballast in steel hulls successfully. If the hull was prepped properly (sanded, epoxied, etc.) and the concrete is a higher PSI rating (5000+) and sealed after its cured, it should be okay for the next 100 years.
I'd be curious to know if it was straight 'crete, or if punchings were added to the mix.