What type of glue to use

I would use contact or expoxy

-- Gary, DeKalb Texas only 4 miles from the mill

You want to sandwich layers of laminate?

Scuff heavily and use liquid nails or epoxy or contact cement, and
clamp heavily.

If what you mean by laminate is melamine board, you can try
melamine glue.

it’s white and is what cabinets are typically surfaced with.

-- >> my shop teacher used to say "do the best at everything you make for your mom because you're going to see it for the rest of your life!" <<

I would recommend contact cement. Epoxy would be a pain if used on a large surface area!!! AND liquid nails would be hard to get completely flat without some creative clamping!!!!

Still use sandpaper to scuff the surface first.

-- I have metal in my neck but wood in my blood!!

Weldwood Gel Contact Cement is MUCH more user friendly than the conventional liquid contact cement which I refer to as “elephant snot”.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

It sounds like you’re gluing melamine. It’s hard to scuff it well enough
to get most glues to stick.

I don’t know how well melamine glue works for laminating, but it might
be worth getting a bottle and testing it.

I would probably do something like tilt my table saw to 45 degrees and make
real shallow scoring cuts shooting for 3/64” deep going both ways in
each piece, then scuff and glue. Since you’re sandwiching two layers
for structural reasons, the cuts won’t be a problem. In veneering over
melamine, you can’t get away with those scoring cuts because they’ll
show through the veneer.

Read this thread at Woodweb:

http://www.woodweb.com/knowledge_base/Bonding_Laminate_to_Melamine.html

Why use glue at all? I’m assuming this is planned as the top surface of your router table. So one side (the top) you WANT the melamine, but the underside does not matter. Right? If that’s the case I might just screw the two pieces together with a few dozen well-placed screws from the bottom. Just be careful they don’t come through the top! I’d probably drill small pilot holes and countersink them too. If the material is 3/4 inch, you have 1 1/2 total, so a 1 inch screw countersunk should be safe.

-- Some problems are best solved with an optimistic approach. Optimism shines a light on alternatives that are otherwise not visible.

i never considered screws. definately simplifies the whole situation! thanx for the different approach. i like it.

these are the two boards i want to double up. not sure if it’s laminate or melamine.

roger

-- >> my shop teacher used to say "do the best at everything you make for your mom because you're going to see it for the rest of your life!" <<

I would use contact cement

Phillip from Ky.

i think i have chosen the screw method… strategically placed that is. just have to figure out where i DON’T want screws.

thanx

-- >> my shop teacher used to say "do the best at everything you make for your mom because you're going to see it for the rest of your life!" <<

put a screw at each corner, then make your top, when finished put the rest of the screws in, also in the bottom layer you could cut the hole for the router a little smaller than the top layer to provide a ledge to support the router plate, screw driven in this lip would provide leveling adjustment for the plate

sounds like a plan cutmantom. don’t need to figure it out your way.

that’s what i like about this place…. so many ideas, so little time! lol

thanx!

-- >> my shop teacher used to say "do the best at everything you make for your mom because you're going to see it for the rest of your life!" <<