Thread: Ballast
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Old 03-08-2019, 04:24 PM   #4
klee wyck
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City: Seattle and Blaine
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I think the key to this, as in many aspects of boat construction, is in materials and methods during the construction process.
For long term trouble free benefit of concrete ballast, essentially encapsulating the concrete in a high quality coating is best to prevent moisture intrusion from becoming a nightmare issue.
The higher quality European boat builders, especially for steel where the stakes are high, will use a coating such as Boliscreed that adheres very well to both steel and concrete, to assure that moisture cannot penetrate the interface between the concrete and the hull material.

If I could not ascertain that this kind of care had been part of the process, I would worry a little, though it might not be a deal breaker.
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