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Old 05-27-2018, 09:15 PM   #1
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Semco applied over oil

I'm redoing my exterior teak and do not want the trouble of varnishing or continuously oiling. I plan to use Semco, but stumbled across this article that mentions oiling a couple weeks before applying a sealer like Semco:

Has anybody done this? I have not seen it mentioned anywhere else, but I would prefer the darker, wet oiled look over Semco. If I could get that with the protection offered by Semco....

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Old 05-27-2018, 10:28 PM   #2
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Tell us about Semco.
Oil based, epoxy, poly or what and what are it’s properties?


North Western Washington State USA
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Old 05-27-2018, 11:34 PM   #3
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Hi Westiculo,

I can only speak to what was done on my boat, which was clean and very lightly sand the teak, then allow it to stand for a few days, then apply the Semco. The Semco takes about a day to properly soak into the teak and dry.

We used the 'natural' colour. The teak comes up a light golden colour, it looks fantastic IMHO.

I reapply the Semco every 4 months (3 times a year) myself, and so the finish has always remained uniform. I think if you dont reapply it reasonably regularly, it can go blotchy/patchy and look terrible.

Not everybody likes Semco (because it isnt 'traditional grey teak' or because it has to be reapplied regularly or both), however I am a total convert. It protects the teak from chips my children and their friends spill, or wine my friends spill, or anything our dog might do! And I have an unproven suspicion it probably also slows the natural weathering and wear process of the teak.

Good luck!

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