Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Problems, how to use. Also see: "EPOXY", in the left-hand column of the Home page.

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AndrewS
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Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby AndrewS » Sat Oct 15, 2016 5:13 am

Dear Gentlemen,

What should I use as my

adhesive water proofing gap filling compounds and system

given that I am building with:

Marine Meranti WBP Phenol Plywood
and
Teak Lumber

in

Indonesia - Jakarta/Coordinates - 6.1745° S, 106.8227° E

I am a 52 year old American amateur carpenter practicing Indonesian and international maritime law.

Thank you for your kindness

Sincerely,
Andrew
'Building Something that Floats'

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Bill Edmundson
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Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby Bill Edmundson » Sat Oct 15, 2016 5:47 am

Andrew

the plywood should not be an issue. The teak is only a minor thing. I used a little on my Tahoe. As I remember, you just wipe the wood down with a solvent just before glue-up or coating with epoxy. This just takes the surface oil off.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build

AndrewS
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Joined: Thu Oct 13, 2016 6:41 pm

Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby AndrewS » Sat Oct 15, 2016 7:05 am

Hi Bill, Gentlemen,

Thank you Bill for your reply.

What I am wondering is 'what glue should I use for the hull teak joinery and what gap filling compound should I use?

From my research it appears that perhaps I should use the glue that was used in the plywood by the manufacturer of the plywood, who fortunately happens to be about a two hour drive from my house:)

They use Phenol and call their wood WBP Phenol. WBP means "water boiled proof". I think what they mean is Resorcinol-Phenol-Formaldehyde, but I am not sure. I will call them on Monday to see if that is accurate.

Does anybody have any comments/advice about this kind of glue?

My research indicates that Resorcinol glues have very poor gap filling capacity? Is there a process which uses Resorcinol glue and something else to fill the gaps?

Many thanks again,
Andrew

AndrewS
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Joined: Thu Oct 13, 2016 6:41 pm

Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby AndrewS » Sat Oct 15, 2016 7:08 am

Dear Gentlemen,

From my research, it seems to be unanimously accepted that epoxy is not appropriate for weather conditions involving sale water and air temperatures at 86F.

With best wishes,
Andrew

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Bill Edmundson
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Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby Bill Edmundson » Sat Oct 15, 2016 7:10 am

Andrew

A lot of people say that's great glue if you have tight joints. But, my joint work is not that good. I use thickened epoxy.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build

AndrewS
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Joined: Thu Oct 13, 2016 6:41 pm

Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby AndrewS » Sat Oct 15, 2016 7:15 am

Thank you Bill.

I think for the plywood layering, the Resorcinal Phenol should be suitable as the surfaces are perfectly milled by the manufacturer.

For the teak joints, epoxy may be required due to my no doubt poor joints:)

Thank you Bill.

With best wishes,
Andrew

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Bill Edmundson
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Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby Bill Edmundson » Sat Oct 15, 2016 7:50 am

Andrew

I laminated my hull bottom with construction adhesive. It's water proof. It takes humidity to cure. I'm not sensitive to it.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build

gdcarpenter
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Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby gdcarpenter » Sat Oct 15, 2016 6:09 pm

Fine Homebuilding did a pretty thorough and in depth study of glues some years back. The following quote was their opinion from their tests on Ipé.

"Epoxy isn’t necessary
on a dense tropical wood

The strongest joint in the whole test was yellow glue on Ipé—a real surprise. Indeed, both yellow glue and Type I PVA were stronger than epoxy in tight and snug ipé joints. On loose ipé joints, epoxy showed no great advantage, so I would stick with either interior PVA or Type I PVA on this tropical wood. At all costs, don’t hope that polyurethane will fill a loose ipé joint—it won’t."
This is my first, last and only boat build.

http://www.gdzipbuild.blogspot.com

AndrewS
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Re: Tropics Build from Teak-Avg Temp Air & Water 86F Salt

Postby AndrewS » Sat Oct 22, 2016 3:50 am

Dear Gentlemen,

Thank you for all of your gracious assistance. I will use epoxy:)

Sincerely,
Andrew


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