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