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gluing up white oak legs for an outdoor grill table

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Forum topic by chonroy posted 05-15-2012 12:52 AM 1207 views 0 times favorited 6 replies Add to Favorites Watch
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chonroy

13 posts in 896 days


05-15-2012 12:52 AM

i am gluing up some 4”sq table legs with 6/4 quarter sawn white oak. I was considering a lock-miter joint but thats kinda out because of the thickness of the lumber. I saw the leg glue-up article in the latest WOOD mag and have considered that…. which consists of 4 pcs with mitered edges and a sq pc in the middle….

my big concern is that the miters will open up with it being kept outside. so i have debated titebond 3, gorrilla glue, or epoxy for the adhesive.

the next big question is what is the best option for the finnish? There I have considered a first coat of resin from West systems an a marine urethane for a final coat…

any suggestions on any of the above? Thanks

-- welding is for the birds, where's the lumber pile?


6 replies so far

View bondogaposis's profile

bondogaposis

2595 posts in 1039 days


#1 posted 05-15-2012 01:03 AM

Epoxy resin is a very expensive finish. I would use it perhaps to glue the legs but not to finish them. I would be prone to use something that is less durable but easily renewed, like an oil modified urethane w/ UV inhibitors.

-- Bondo Gaposis

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chonroy

13 posts in 896 days


#2 posted 05-19-2012 03:45 AM

thanks bondo, i appreciate the tips. i did decide to go with gorilla glue…. i hope to post some final pics then.

-- welding is for the birds, where's the lumber pile?

View Lee Barker's profile

Lee Barker

2169 posts in 1538 days


#3 posted 05-19-2012 05:31 AM

I share your concern about the miters opening, particularly if there is a piece in the center. I’d lean toward a four sided box, butt joints, perhaps a slight rabbet for ease of assembly. Lots of glue surface that way, and any movement would probably not be reflected in the joinery.

I think polyurethane glue is a good choice.

What are your temp and humidity extremes? If they have a large sweep, I’d stay away from hard coatings. Something that can be renewed annually might be a more practical choice.

Kindly,

Lee

-- "...in his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View MrRon's profile

MrRon

2860 posts in 1932 days


#4 posted 05-20-2012 05:13 PM

I’d use a resorsonal glue used for wooden boat building.

View chonroy's profile

chonroy

13 posts in 896 days


#5 posted 05-24-2012 02:56 AM

thanks guys for your input…

lee when i saw you concern about the pc. in the center, i had just finished gluing them up! it will have a fairly high temp swing as it will be kept on the south side of the house on a deck. i figured if its a big deal wit it being solid ill just drill it out with an auger bit….

the reason i thought it should be solid is that i am using m&t joinery for all my rails into the post…

-- welding is for the birds, where's the lumber pile?

View Lee Barker's profile

Lee Barker

2169 posts in 1538 days


#6 posted 05-24-2012 04:48 AM

I understand why you wanted more bulk in there for the joinery. I guess we’ve got a scientific experimental site on the south side of your house, right?

Kindly,

Lee

-- "...in his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

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