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Tite bond III, really waterproof?

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Forum topic by BJODay posted 07-31-2014 01:26 AM 469 views 0 times favorited 9 replies Add to Favorites Watch
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BJODay

392 posts in 610 days


07-31-2014 01:26 AM

Topic tags/keywords: glue tite bond iii waterproof

Hey all,
I’m looking for some quick advice. I’m helping a friend is repair some oars used for an Irish Currach. The oars are pine but they use a triangular piece of oak to ride on the oar lock pin, (sorry but I don’t know the proper terms).

He laid out the pieces for me to cut. When I went to the shop tonight and I realized he gave me spruce boards. He also gave me an old piece for a pattern and it is definitely oak.

I can fashion some out of red oak I have on hand. (I know white oak would be better). I’ll have to glue two 3/4 pieces together. The old piece is 1-1/2” thick. My questions is, will Tite bond III be suitable for this task? The oars get wet but this part stays out of the water. If Tite bond III is not suitable, what should I use? I’ll be laminating two 3/4×6’s and then cutting the triangles from this large piece.

Any advice is appreciated. I hope to start tonight or Friday.
Thanks BJ


9 replies so far

View jmartel's profile

jmartel

2110 posts in 817 days


#1 posted 07-31-2014 01:29 AM

Epoxy would definitely be more waterproof. For something like this, if you used Titebond III, I would also use some sort of mechanical attachment as well, just to be sure. Something like screws, dowels, sliding dovetail, etc to give it a bit more strength.

-- End grain is like a belly button. Yes, I know you have one. No, I don't want to see it.

View 489tad's profile

489tad

2353 posts in 1678 days


#2 posted 07-31-2014 01:36 AM

I agree with the epoxy. I used TBIII on a outdoor bird feeder. Post are glued miter joints. It’s been outside for 7 or 8 years and the joints are still holding. Materi is white oak. If you use Tite bond I wouldn’t worry too much.

-- Dan, Naperville IL, I.G.N.

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BJODay

392 posts in 610 days


#3 posted 07-31-2014 01:37 AM

The triangular pieces are attached to the oars with screws, no glue. It makes them easier to replace because they wear down. The glue I need is to laminate two 3/4” oak boards into a thicker 1-1/2” piece.

BJ

View Monte Pittman's profile

Monte Pittman

14345 posts in 1005 days


#4 posted 07-31-2014 02:06 AM

I would use epoxy as well.

-- Mother Nature created it, I just assemble it.

View BJODay's profile

BJODay

392 posts in 610 days


#5 posted 07-31-2014 02:09 AM

I went ahead and used Tite bond III. If the consensus is negative I’ll use this piece for something else and reglue 2 other boards.

Not quite enough clamps. Christmas list has clamps on it.

This is the piece I’m trying to duplicate.

The milling shouldn’t be too hard. I’m just hoping it will last.

BJ

View TheFridge's profile

TheFridge

846 posts in 153 days


#6 posted 07-31-2014 02:11 AM

Epoxy :)

-- "We build our workshops. Then we enjoy the fruits of our labor by laboring for more fruits." - Me

View MrRon's profile

MrRon

2848 posts in 1910 days


#7 posted 07-31-2014 03:50 PM

I believe Titebond III is regarded as “moisture resistant” not waterproof. waterproof and resistance is tested by immersing the glued joint in water for a number of hours. Epoxy is good and also resorcinol glue, available in marine supply stores.

View JayT's profile

JayT

2319 posts in 878 days


#8 posted 07-31-2014 03:57 PM

While Titebond III is labelled as waterproof, it is not rated for sustained immersion. It would probably be OK for your application, as I understand it, but epoxy would give a much larger margin for error.

The other concern is using red oak. You are going to have a big challenge trying to seal the open pored red oak from the water and it will rot relatively quickly with a lot of moisture contact.

-- "The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money." Alexis de Tocqueville, 1835

View Steven Prosser's profile

Steven Prosser

18 posts in 248 days


#9 posted 07-31-2014 06:24 PM

I’d be inclined to use this stuff.

http://www.polyvine.com/index.php?option=com_content&view=article&id=112&Itemid=184&lang=en

-- The only thing the world knows about Belfast, is that we built the Titanic..... It Sank

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