Perfect to be used as a workben.
Gluing 2 sheets of plywood together.
Here again assuming full sheets of plywood as smaller could be clamped in a device.
Here s a tip that solves the problem.
First gather up some heavy objects say cinder blocks or books or tools anything handy.
Assuming there is a back side or a side unseen and damage will not be a problem.
Spread the glue into an even layer with a small flat stick.
In your case a half inch center with quarter inch glued to both faces might be safer than gluing 3 4 together with 1 4.
I ve glued plywood together with regular wood glue many times and it s not an issue.
The only caveat is if you re trying to used pre finished plywood the finish would get in the way of the glue.
One could use screws to pull the pieces together and hold till the glue cures.
It s better for us to get all done at a time to ensure the top surfaces in a board aligned.
This will give you tons of contact with long grain to create a really strong glue joint.
Put the second piece of plywood next to the first standing on edge.
How to glue plywood together.
Wet both sides with a water soaked rag then spread the glue all over.
Plywood for instance is always glued up of an odd number of laminates for balance.
We recently glued together two 4x8 sheets of ply and then tried to pry them apart.
It may take a lot but they are cheap and reusable.
Face the good sides.
After job is done remove the screws leaving the two pieces laminated.
Finish each board for about 20 to 30 minutes before moving into the next board.
When you re gluing several boards together it can be difficult to get all the top surfaces perfectly aligned.
Showing you how i go about laminating glueing 2 plywood sheets together to make a very sturdy and thicker sheet of plywood.
Lay two pieces of plywood out on two sawhorses.
If you want to bond them together to make a single sheet of 8ftx2ft x 1 1 5 inch thick plywood you need to do this.
Get as many cinderblocks as you need to apply the recommended pressure.
Let the glue joint set for about 20 to 30 minutes then release the clamps and add another board.
It sounds like you re planning to stack two sheets together.
Gluing several sheets of plywood together is to make it thicker.
Inspect both sides of the plywood and choose the sides you like best.
Rather than glue and clamp all the boards at once add one board at a time.
Lay one piece of plywood on a flat surface the floor would be best.