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Forum topic by Ub1chris posted 11-13-2015 05:04 PM 585 views 0 times favorited 7 replies Add to Favorites Watch
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Ub1chris

85 posts in 845 days


11-13-2015 05:04 PM

Topic tags/keywords: dining table dining

I’m in the early design stage (in my head) of a big dining table. My wife wants it 10-12 feet long, without extensions, and I’d rather avoid them as well since I’m going to be on a timeline. If I go 12 feet long, am I going to have not enough support in the middle and have it sag? I’m guessing a thicker top and rails could help, but how much? Or am I doomed to have to add some sort of a centre support?

Chris


7 replies so far

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mahdee

3553 posts in 1232 days


#1 posted 11-13-2015 06:47 PM

Well, it depends on the thickness. For a 12’, 3” thick may not need any support although I would put one in the middle. And it depends on the wood as well. If it is going to be a thinner wood probably every 2’ would suffice. Just make sure your aprons are thick enough to support the top. You can contact me if you want and I’ll walk you through it.

-- earthartandfoods.com

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HornedWoodwork

222 posts in 679 days


#2 posted 11-13-2015 07:02 PM

Using a trestle instead of apron and leg will bring the support closer to the middle and help reduce sag. In a trestle you could run a center beam between the trestles with something like 2×6, this would further support the center and keep it from sagging. A thicker top will certainly help as well.

-- Talent, brilliance, and humility are my virtues.

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Clint Searl

1533 posts in 1826 days


#3 posted 11-13-2015 07:02 PM

If it’s a trestle design, 24”-30” of overhang on each end will counteract any sag in the middle for a thickness of 1 1/2”.

-- Clint Searl....Ya can no more do what ya don't know how than ya can git back from where ya ain't been

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TheWoodenOyster

1275 posts in 1399 days


#4 posted 11-13-2015 11:15 PM

Trestle is the way to go, with beams under the top running longways. That should be fine.

-- The Wood Is Your Oyster

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pintodeluxe

4857 posts in 2278 days


#5 posted 11-14-2015 12:00 AM

12 feet? Seriously 12 feet?

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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Ub1chris

85 posts in 845 days


#6 posted 11-16-2015 07:41 PM

yes, i know that’s big. Maybe when I make a mock up of the size (fancy way of saying a big piece of cardboard) and put it in the room, she’ll downgrade the size a bit but its still going to be big and heavy. Originally I was against a trestle style base, but it looks like there’s lots of nice options out there in that style. Maybe I’ll have to re-think.

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CaptainSkully

1437 posts in 3023 days


#7 posted 11-23-2015 02:29 PM

You can tuck a 6-8” vertical stiffener (I-beam) up under the top to support the span. You can have the ends cantilevered out by 2-3’ if they’re supported like this, which leaves 6-8’ in between. I’d only go with trestle if you like that farm look. You could go with a modified Rodel table if you wanted as long as the structure was there.

-- You can't control the wind, but you can trim your sails

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