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Ed Milne
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Inserting a second piece of laminate between the two sheets of plywood would likely balance the panel satisfactorily. Be sure to scuff the public side of the laminate thoroughly to ensure good adhesion. Perhaps, because of the aquatic nature of the application, epoxy or urea resin would be your best choice of glues to use. Titebond2 would be an acceptable low cost alternative, as DK said.: Dear Joe,: I suspect your cold press glue is just a PVA glue, like yellow glue is. Because you are laminating two sheets of plywood together I would not worry about creep so much as moisture resistance in your situation. You could use a water resistant glue like titebond II or a urea resin glue like Unibond 800.: As far as laminating just one side, you are asking for warping if you do that, how much I cant say but it will most likely do it to some extent. What about painting the inside white?: Sincerely: Darryl Keil: : I have to laminate two pieces of 1/2" oak plywood together. The : : pieces are 2' x 6'. I would normally use yellow glue but since this : : is going on top of an aquarium, I thought that "creep" might be an : : issue. I thought about polyurethane glue but its to expensive for : : such a large surface. I have plenty of cold press veneer glue around. : : Since cold press glues dont creep nearly as much as yellow glues, is : : this going to be my best possibility?: : And lastly, the client wishes for me to put a piece of white laminate : : on the underside to reflect light downwards in the water. Will this : : lack of balance cause warping? : : And if it helps, the edges of the plywood get a 1.5" wide solid edge : : added.
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