Hey all,
I’ve seen a number of arguments against Plywood for a router table top and a number of arguments for an MDF/HPL covered top. Typically, it seems that most folks double up on pieces of 3/4” MDF to make a 1-1/2” thick top and then cover in HPL. I’ve a a couple of reports that even the 1-1/2” solution would sag over time if a 3-1/2 HP (aka heavy) router motor is used.

My question is this…has anyone done a combination of 3/4” BB Plywood on the bottom and 3/4” MDF on the top (still covered with HPL) to create a more stable (but still flat) router table top? If so, pros and cons to that idea?
Thanks in advance for the assistance.