Brian Gray
Posts: 339
Joined: 2004-01-21
Location: Sandusky, OH
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You pretty much always want to veneer both sides of any project, regardless of substrate, and especially solids. (a couple of exceptions...)
Two reasons - 1) most adhesives will shrink slightly as they cure, causing cupping if only one side is glued. 2) cured adhesive will not allow moisture through. If this occurs on one side, but not another, you're asking for it.
That being said, you can get away with it if your laminations are of the same thickness...like a bent lamination. If you are gluing together two pieces that are the same thickness, you should be OK, but it sounds like you are putting thin veneer onto standard 3/4 stock.
One other exception that I can think of is when you are veneering a tube....no need in this case. There might be other exceptions but none that I know of when doing flat work.
Also, when using a solid substrate, try your best to use quartersawn stock...it moves less. Be aware that the wider your substrate, the riskier....
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