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Exterior Adhesives for Outdoor Bench

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Blog entry by MJCD posted 768 days ago 1045 reads 0 times favorited 6 comments Add to Favorites Watch

Once again I find myself asking for comments and guidance from the Forum …

I’ve started a Jatoba wood, outdoor bench – based on a Fine Woodworking design. In this project plan, West System’s Epoxy is recommended, and I’ve heard every conceivable praise for their products during my extensive review.

However, in a FW article, Titebond III (TB3) was their choice for exterior wood projects (not for Aluminum boats and other repair work). The TB3 is much less expensive, a single part (WS’ is a two-part epoxy), and is every bit as strong.

So, I’m faced with the decision of which adhesive to use. I’ve purchased the West System material, but that does not mean I need to use it on this project.

As always, I value the comments and guidance from the Forum.
Do Take Care.

-- Lead By Example; Make a Difference



6 comments so far

View Arlin Eastman's profile

Arlin Eastman

1990 posts in 1198 days


#1 posted 768 days ago

Epoxy

Works everytime.

Arlin

-- It is always the right time, to do the right thing.

View derosa's profile (online now)

derosa

1544 posts in 1472 days


#2 posted 768 days ago

Go either way. Can’t speak for or against epoxy but titebond 3 held up to 4 months of my mother-in-law sticking her cutting board in the sink to soak before tossing it in the dishwasher and never oiling it once. She literally did this only daily. After 4 months I got her to stop with the dishwasher but she still soaked it almost daily so that after 6 months it finally developed a couple of small cracks. That is some amazing ability to deal with moisture on the part of the glue so I would trust it with any outdoor project that might get wet.

-- --Rev. Russ in NY-- A posse ad esse

View MJCD's profile

MJCD

452 posts in 1008 days


#3 posted 768 days ago

Arlin:

Thanks for the prompt response. I have to admit to being hesitant about epoxy – only because I’ve never used it. From what I’ve read, first sand with 80-grit, wipe with Isopropyl alcohoI, coat both sides (using a roller, as the minimum width board will be 3”), then clamp for approximately 12-24 hours. Can you tell me how thick the application should be? That is, I’m not expecting to lather-on the epoxy; rather, fully-coat with something more than a micro-thin layer (each side) – I know I’m not being precise here …

Thanks, again.

-- Lead By Example; Make a Difference

View MJCD's profile

MJCD

452 posts in 1008 days


#4 posted 768 days ago

Derosa:

Thanks for chiming-in – I’m expecting a lively, and insightful, exchange.

-- Lead By Example; Make a Difference

View bladedust's profile

bladedust

168 posts in 903 days


#5 posted 768 days ago

I recently finished 24 laminated bent shaft canoe paddles with TB3 for a Boy Scout trip into Quetico Provincial Park. Collectively the 3 crews paddled 244 miles in 5 1/2 days without even a hint of failure. If TB3 can stand up to 24 Scouts in climate changes paddling 244 miles, it can definately withstand an outdoor project. TB3 is my glue of choice, for whatever its worth. .

-- ok, is it cut once measure twice, cut twice measure once???? I know....I'll just keep cutting until it's long enough.

View Arlin Eastman's profile

Arlin Eastman

1990 posts in 1198 days


#6 posted 768 days ago

MJ

Applie it the same as anyother Glue. I use it for a picnic table 5 years ago and it has no debonds yet. I also after I glued the seats and top and it was dry. I added a 50/50 mixture of tung oil and minerial spirits two times. The wood has never been affected yet.
I can not say how it will be in another 5 years.
Just remember, any wood soaks into the wood and the farther it soaks in the better it is for the bond.

I hope other chime in and I can learn more.

Arlin

-- It is always the right time, to do the right thing.

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