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Hull Sealing?

Old 06-02-2010, 09:59 PM
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TRXRUSTLER
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Default Hull Sealing?

I am looking for a better way to seal an outrigger hull made from balsa an ply. I have used thinned epoxy but it is way to hard to sand down flat and I never get the finish I want. So what I'm asking is, is there a better product to use to seal the wood and be able to paint over it?

Thanks, Chris
Old 06-03-2010, 06:34 AM
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Default RE: Hull Sealing?

Z-Poxy finishing resin (PT 40) will seal the wood and is very sandable.
Old 06-03-2010, 08:56 AM
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Default RE: Hull Sealing?

Do I have to use it over fiberglass sheeting, or can I just mix the 2 parts together and apply it to the hull?
Old 06-03-2010, 10:16 AM
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Default RE: Hull Sealing?

I would use sheeting over any exposed balsa, just as light of weight as you can find. On ply, sheeting isn't needed. The only reason I would sheet over the balsa is it's extremely soft and porus, making it easily damaged and like a sponge. Going with anything heavier than .5 or .75 ounce glass is just adding extra weight and not really getting any gain.
Old 06-05-2010, 05:46 PM
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Default RE: Hull Sealing?

Use non-thined West Systems (or similar brand) and apply with a throw-a-way credit card / scrap piece of wood / etc. Just need to spread the epoxy around the exposed wood. Allow the epoxy to soak in for 45 mins to hour. Then with paper towel, wipe the exposed epoxy off the wood. Allow the epoxy to cure. Will take very little effort to sand down.
Old 06-05-2010, 06:36 PM
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Default RE: Hull Sealing?

Thanks for the suggestion but i bought the Z-Poxy PT 40 and its coming out great. I am using fiberglass with it on everything that has balsa exposed.

Thanks, Chris

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