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Old 11-09-2016, 18:16   #16
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Join Date: May 2011
Boat: 51' Formosa Cutter Rigged Ketch
Posts: 44
Re: Removing Teak Deck and Making Good on GRP

We are just getting ready to start it on ours and planned on taking photos and videos of every step to post to our youtube channel for others to check out.
I pulled up about 1/3 of the teak deck this weekend and started filling screw holes. I also drilled a few 2" exploratory holes where the deck sounded like it might be rotted and I was shocked to see that we have hard wood planks as a core. It seems like it may be walnut but hard to tell.
Even in the spots that had that "thud" when tapping them the core while a bit damp was not rotted at all.
More to come as I dig into it even more.

Gil and Debbie Lhotka
S/V Dream Chaser (51' Formosa Cutter Rigged Ketch)
S/V Last Affair (43' Gulfstar Sloop) - For Sale as we moved up to our dream boat.
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Old 12-09-2016, 08:31   #17
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Join Date: Aug 2006
Location: Skagit City, WA
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Re: Removing Teak Deck and Making Good on GRP

Being a Formosa it's possible it is teak I suppose. If so, lucky you! On my Taiwan built boat, I had some wet core in the foredeck. I drilled small holes here and there from below, in cabinets and hanging lockers etc. Maybe 3/16" holes. Then I squeezed the core material from the drill bit between my thumb/fingers to tell if there was water in it or not. That way I determined the extent of wetness throughout the forepeak.

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Old 12-09-2016, 08:47   #18
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Location: San Francisco and Australia
Boat: Liberty 458
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Re: Removing Teak Deck and Making Good on GRP

We removed the teak deck and replaced it with dek king on our Liberty 458 last year.

We had no leaks and all screws from the original deck were in fiberglass.

We filled all 1536 holes with epoxy, removed a few flaking sections of gelcoat, repaired them and coated the entire deck with gluvit before the new deck went on.

Love the look of teak decks but teak screwed onto fiberglass is a less than well engineered interface.

It took about a month to remove the old deck and prep it, another month to install the new deck and about 6 weeks part time to rebed all fittings and penetrations.

Dek king is more flexible than teak so i had to spotface all attachment points. I used teflon / kevlar gaskets for all attachments with buttl on all threads. No leaks. All gaskets were slightly undersized to avoid gasket material showing.

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Old 24-09-2016, 21:01   #19
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Location: North Wales
Boat: Beneteau Oceanis 36cc
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Re: Removing Teak Deck and Making Good on GRP

I looked at a 1989 Jeanneau 42ft. The teak decking put me off as it needed removing. Thanks for the your report, I found it informative.

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teak deck

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