Marine grade plywood

Community Laser Talk
1

I usually use baltic birch ply when I am cutting things out.
Have been making some signs lately and would like to give marine grade plywood for use outdoors.
Before I spend $80 for a sheet, I would like to know if anyone has tried it and is the waterproof glue they use a problem to cut through.
I will be using a diode laser for this and have not had many problems so far.
Thanks for any info you may have.

Mike

2

Yep, that’s the problem. I can cut through 2,3,4mm exterior glued plywood with my 60 Watt OMT, but not even on 2mm material the result is nice. At 4mm I have to use max power and sometimes 2 rounds, I avoid working with that kind of material.

3

Thanks.
I was afraid of that. Guess I will stick with coating them for now.