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What you said. Plus, I've had very mixed results over the years with liquid nails and similar products. My worst was when the glue completely failed after curing where the cured glue was crumbly. Fortunately, it was not a critical situation.
I've used the typical "off-the-shelf" stuff numerous times for laminate counter tops and it works quite well. Logically, it seems that it should do as well with wood to wood contact. Anyone done this successfully? Let's say, for example, a cabinet shelf, a book shelf, or drawer bottom. I'm thinking that the typical stuff might fail under that kind of loading; even if the failure is only a significant amount of creep.
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Alan S said:
In my experience, the problem with laminating plywood is making sure the thickness is consistent. Ordinary wood glue holds well enough if you can keep the parts in contact with one another.
A thick (viscous) construction adhesive should be plenty strong, but would be more difficult to squeeze together, so would make it more difficult to achieve an even thickness.
All this right here will mean YES you can get 2 pieces of plywood to stick together, but for the most part for any "woodworking" is going to look like it was done by the XYZ Brothers, even rough construction won't lay flat.
Mel stated using this over studs, for attaching a subfloor, this is the intended use, and it works because you are screwing it down to the 2x material. Screws are the worlds cheapest clamps.
Worst thing they can do is cook ya and eat ya
GW