I should say, there are brackets on the wall. No supports coming out from there.

FamCook:

Sorry, but 52" exceeds the MIA standards by 16". See page 3:

Here is a link that might be useful: MIA

He's going to add more support along the front, etc.

Thanks

This post was edited by FamCook on Thu, Jul 3, 14 at 9:13

Someone suggested honeycomb aluminum for invisible support for our countertop overhang, but I am not finding much info on the product. Any info?

I supported an Avonite countertop with honeycombed acrylic years ago, but I can't remember where I got it from. Somewhere on the east coast.