by Kathy
Can you make a concrete countertop on top of plywood?
Suggested Project Book
You'll need to add a sheet of cement board over the plywood before pouring the cement mixture. We put concrete countertops in our bathroom.
Here's a very thorough tutorial on pouring concrete countertops: https://www.addicted2decorating.com/diy-pour-in-place-concrete-countertops-part-1.html