Semco applied over oil

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Westiculo

Senior Member
Joined
Feb 27, 2017
Messages
271
Location
US
Vessel Name
Rose Mary
Vessel Make
42 Grand Banks Motoryacht - 1985
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: https://www.boatus.com/boattech/casey/teak-care.asp

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....
 
Tell us about Semco.
Oil based, epoxy, poly or what and what are it’s properties?
 
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!

Hamish.
 
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