Darryl Keil Last Activity 2025-09-09 11:09 AM
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Nevin Anderson

Posts: 2

Joined: 2004-03-25
Location: Victoria, TX

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Subject : Veneering a long desk top
Posted : 2006-03-27 10:49 PM
Post #32931
I have a client who wants a veneered desk top that will be 143" long by
26" wide to be attached to the top of three base cabinets as part of a built in library. What substrate would you use and how would you join the pieces of the substrate to make up that length? How would you veneer it to avoid the substrate joint line telegraphing thru the veneer? Would using solid wood be easier in this situation (no seam and no veneer)? What about the possibility of using a substrate of 8 foot length and attaching wide hardwood edging on each end to make up the full length?
Thanks for any suggestions or insight.

Nevin Anderson


 
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Don Stephan

Posts: 825

Joined: 2003-07-18
Location: Cincinnati, Ohio

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Subject : RE: Veneering a long desk top
Posted : 2006-03-28 9:35 AM
Post #32933 - In reply to #32931
Don't know how you would mix sheet good substrate with "wide hardwood edging" and avoid wood movement issues.

You could make 3 ply core with staggered seams to avoid seam strength issue, and two ply veneer top and bottom to minimize chance of seam telegraphing.

If suitable lumber is available, my first thought would be to use that instead of veneer.


 
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Jeff Patrick


Joined: 2004-04-15
Location: Bainbridge Island, WA

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Subject : RE: Veneering a long desk top
Posted : 2006-03-28 2:29 PM
Post #32934 - In reply to #32931
My initial thought: Use mdf as core material. Lay up the core using 3/4" stock in the middle with 1/4" on both upper and lower faces. Stagger all the seams. Use Unibond as your glue and be sure to apply glue to the abutting ends of the mdf sheets. Press this in a vacuum bag all at once. Finding a suitable flat surface may be problematic, but I've done such things before by using a long sheet of particle board over benches and sawhorses and shims wherever needed.Once this core is pressed and dry, run it through a wide belt sander to make it all flat. If you don't have such a machine, surely there is a shop in your area that will do it for you. Their charge is worth it. The core is now ready for the upper and lower veneer. Edging is your choice.Jeff


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: Veneering a long desk top
Posted : 2006-03-28 9:02 PM
Post #32936 - In reply to #32931
Nevin,

If it was me and the customer wasn't demanding veneer I would do it in solid and be done with it. If its got to be veneered then Jeff's approach is how I'd do it with the addition of a sub veneer beneath the final one, like what Don suggested.

Sincerely
Darryl Keil


 
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Jeff Patrick


Joined: 2004-04-15
Location: Bainbridge Island, WA

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Subject : RE: Veneering a long desk top
Posted : 2006-03-28 10:32 PM
Post #32937 - In reply to #32936
Darryl,I'm curious. Why the sub veneer? Jeff


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: Veneering a long desk top
Posted : 2006-03-29 10:09 PM
Post #32938 - In reply to #32937
Jeff,

My rule is never apply the face veneer over any joint. In this case there would be a 1/4" ply on both sides that would have a seam at some point down the panel. Although this is glued down to a 3/4" core and the joint is glued with a rigid glue, I would still put a sub veneer down over this ply to protect the seam from the face veneer.

Sincerely
Darryl Keil


 
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Jeff Patrick


Joined: 2004-04-15
Location: Bainbridge Island, WA

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Subject : RE: Veneering a long desk top
Posted : 2006-03-30 3:36 PM
Post #32939 - In reply to #32938
You make a good point, Darryl, and I agree with this approach. I'm now wondering if there is a sheet membrane of some sort that would serve as that sub-veneer. That is, a cheaper and easier substitute for regular veneer. Do you know of such a product? Would paper-backed veneer serve or should one use regular cut veneer?Thanks,Jeff
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