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Is this table top possible?

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Forum topic by fiddlebanshee posted 1526 days ago 1634 views 0 times favorited 17 replies Add to Favorites Watch
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fiddlebanshee

132 posts in 1543 days


1526 days ago

Topic tags/keywords: question

I have another question if you all aren’t tired of me yet. I want to make a kitchen table and have come up with this design for the top. Question: would the movement of the wood ruin this in the long term? Or does the wood have enough room to move around if you just glue the boards together. I’m concerned about the different grain directions. Would some kinds of hardwood be worse than others?

tabletop

-- As if I needed another hobby!


17 replies so far

View a1Jim's profile

a1Jim

111999 posts in 2174 days


#1 posted 1526 days ago

You might have a chance if you use 1/4 sawn wood and sliding dovetails

-- http://artisticwoodstudio.com Custom furniture

View hazbro's profile

hazbro

109 posts in 1587 days


#2 posted 1526 days ago

you can make it real quick and easy with engineered wood. find one with a thick laminate or laminate it yourself.

you could actually make it from flooring on ply. (prolly not lumberjock pure options there.)

-- measure once, keep cuttin' til it fits

View richgreer's profile

richgreer

4522 posts in 1672 days


#3 posted 1526 days ago

I’ll be blunt. I would not try this without using some kind of engineered wood and a laminate or veneer.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

View Rick's profile

Rick

6455 posts in 1630 days


#4 posted 1526 days ago

This is Easy!!

I made one quite similar over a year ago. Hexagon, 3-6”’ Tip To Tip. From REAL wood. 1”x6” Solid Notty Pine Top, which is not the most stable wood in the world.

Used Biscuits Joiners & Edge Glue, wherever possibble. 1/2” G1S Fir Ply Under it (Bottom) same Outside Pattern naturally. Glued Top & Bottom together with Titebond lll. Then right away, about a 4” spacing pattern all around of 1” Drwall screws from Underside & Up into Top.

Played around with 3 Different Patterns of Pine Crown Mold until I had one that would look nice as an Edging. Cut, Fit, Glue and Small Brads to hold the Edge in place. Sanded. DONE! (Except Stain & Poly)

Had an Old, 3 Legged Pine Base, that was stripped to bare wood, that it was attached to. Then all was Stained , and Finished with 3 coats of Wipe On Poly.

Pine Top, after a Year has NOT moved at all.

-- COMMON SENSE Is Like Deodorant. The People Who need It Most, Never Use It.

View UncleFester's profile

UncleFester

33 posts in 2784 days


#5 posted 1526 days ago

I wouldn’t try it. Any time you glue end grain to side grain on a surface that big, you’re asking for trouble.

-- Uncle Fester

View Sawdust4Blood's profile

Sawdust4Blood

342 posts in 1619 days


#6 posted 1526 days ago

Personally, I would only try to get that look through veneering.

-- Greg, Severn MD

View Alan S's profile

Alan S

172 posts in 1914 days


#7 posted 1526 days ago

Maybe you could use the “breadboard” technique to join the end grain sections to the long grain and allow for expansion/contraction?

Alan

View Radu's profile

Radu

299 posts in 1640 days


#8 posted 1526 days ago

Here is my version. Edge glued, glued and screwed immediately on 3/4 plywood base. The outside boards are also fastened with pocket screws. It hasn’t moved a bit. I chamfered all edges to 45. I just posted in my projects. Have a look if you want.

View Nomad62's profile

Nomad62

688 posts in 1555 days


#9 posted 1526 days ago

Wonderful design. I would think it possible to do, but the long-to-end grain connection is troublesome. I would recommend making the 4 quarter panels as solid pieces, with an elongated tenon and mortise along the long-to-end grain connection; then attaching them to each other with inset “figure 8” connectors to allow for the movement.

-- Power tools put us ahead of the monkeys

View uffitze's profile

uffitze

199 posts in 1552 days


#10 posted 1525 days ago

veneering is the only way to do it. other techniques will eventually fail due to wood movement.

View Blake's profile

Blake

3434 posts in 2471 days


#11 posted 1525 days ago

Just give it room to move and joinery that will allow it to move too (like screws through elongated slots, etc.)

Anything is possible. It just needs a little engineering.

-- Happy woodworking! http://www.openarmsphotography.com

View ondablade's profile

ondablade

105 posts in 1796 days


#12 posted 1525 days ago

A related question. I wonder if there is a commercially available solution/system to accommodate movement that would allow the boards to be screwed to an MDF base (fixed along one side/length only and slotted the other to leave scope for movement) with an appropriate expansion gap between them?

T&G planking enables the same function, but you really wouldn’t want grooves in the table top. You could fill the gaps with silicone, but my experience from flooring is that the exposed surface doesn’t wear that well. The other issue is that as the joint closes it will tend to bulge upwards unless you design it so that there is a space within the joint to accommodate the volume reduction.

Cork strip is the tsock solution for flooring around here, but it doesn’t accommodate much movement and anyway would not deliver much by way of a working surface.

Something like a urethane tube or extruded hollow section urethane strip let into semi circular or other channels in the edges of the board might have some potential too.

Something wooden would be nicest of all…

ian

-- Late awakener....

View dennis mitchell's profile

dennis mitchell

3994 posts in 2912 days


#13 posted 1525 days ago

Gluing 4/4 wood to mdf or plywood will not keep it from expanding. It might last a year or two but you will never be able to move it to a different climate.

View teenagewoodworker's profile

teenagewoodworker

2727 posts in 2365 days


#14 posted 1525 days ago

veneer is really the best option. other than that it just seems like alot of work to make it so that it is stable in solid wood. And you would still have problems with is cupping and joint strength and the like.

View fiddlebanshee's profile

fiddlebanshee

132 posts in 1543 days


#15 posted 1525 days ago

Thanks to all of you for sharing your knowledge and experiences. I am not going to make this anytime soon, I was just playing around on sketchup, although it is certainly a project that I will attempt in the future, maybe in a year when I have a bit more experience. It’s good that I asked and drew in Sketchup first before actually getting the wood and cutting it all.

What I eventually want to make is an expandable octagonal table with one or two leaves. The diameter of the small octagonal would be 36”, which would expand to 60” with a 24” leaf. I may try 42” but I need to measure the kitchen first when all appliances, countertops and cabinets are installed.

-- As if I needed another hobby!

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