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Old 02-02-2014, 20:51   #1
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Using Epoxy for wet balsa core

Has anyone repaired wet balsa core decks by drilling--applying heat lamp or water suctioning and then filling with epoxy? Any suggestions or comments. Thanks in advance.
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Old 02-02-2014, 20:52   #2
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Re: Using Epoxy for wet balsa core

Here we go again!



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Old 02-02-2014, 21:35   #3
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Re: Using Epoxy for wet balsa core

I could tell you how to do it but why bother. Someone else will tell you to mix micro balloons with the epoxy before you add the hardener.
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Old 02-02-2014, 21:50   #4
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Re: Using Epoxy for wet balsa core

...or be animate about their method only. Please use the search function and see all the condescending arguments there.
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Old 03-02-2014, 23:28   #5
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Re: Using Epoxy for wet balsa core

Wet and possibly rotten or only slightly damp?

The epoxy will cure but will not stick to wet core, but it will stick to the top and bottom skins if they are dry enough, making a proper repair in the future a lot harder. Core that takes years to saturate with water will not dry if both skins are intact. Best to remove the top skin and do the repair properly.
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Old 04-02-2014, 00:19   #6
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Re: Using Epoxy for wet balsa core

Quote:
Originally Posted by sustutt View Post
Has anyone repaired wet balsa core decks by drilling--applying heat lamp or water suctioning and then filling with epoxy? Any suggestions or comments. Thanks in advance.
I recommend this series: Fiberglass Core Replacement Part 1 : Boatworks Today

He walks you step-by-step through how to do it.
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Old 04-02-2014, 09:34   #7
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Re: Using Epoxy for wet balsa core

It was an excellent presentation. I do it exactly the same way with epoxy for the core and skin, with the exception of the taping afterwards which I do with polyester resin. After I grind down the seam, there is only an 1/8" epoxy seam to bridge and I can finish with gelcoat. Thanks for posting that...
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Old 04-02-2014, 17:30   #8
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Re: Using Epoxy for wet balsa core

This company uses a patent pending process to inject extremely dry air(less than 2% RH) and heat through 3/8" to 1/2" holes to dry balsa to point where epoxy will bond
Dryboat is the company and you can google to find
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