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Reply by Tony1212

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Posted on Help choosing plywood for table tops - warping?

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Tony1212

344 posts in 2213 days


#1 posted 07-16-2018 01:38 PM



Another option is to screw the two pieces together from the bottom. You d be able to get a lot more clamping pressure that way than you d get without using some sort of press.

- clin

+1

When doing a glue up like this, I would use MDF as the bottom layer and the plywood on top. Then use some drywall screws through the MDF into the plywood. That provides a secure hold and LOTS of clamping pressure. This is how I made my workbench top and tablesaw cart top.

When both sides would be seen, I would put the glue up between two larger plywood sheets on the garage floor and park the front wheel(s) of my car on it. This works very well if there is any cupping in the plywood sheets. Orient them so that the glue up is wider in the center and the edges meet. Then the car will press the center flat.

-- Tony, SW Chicago Suburbs


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