How To Make Concrete Countertop Edge Forms. Make the curve radius large enough to ensure a smooth, consistent edge detail and prevent Edge Form to distort or ripple. Concrete is a striking and practical choice for countertops, made from a DIY-friendly materials that enables any confident homeowner to achieve quality results.
Before pouring your concrete, make sure to cover your cabinets and floors with plastic. To secure the joints of the edge forms, I used duct tape and taped them together, making sure that the corners met as perfectly as possible before taping. I used a rounded pen lid.
Concrete Countertop Solutions sells a set of jigs called Edge Expert that help hold the edge profiles completely straight while you're cutting them.
Make sure you leave the gap around the edges -- you need to concrete around the entire perimeter.
Overview for How to Make a Concrete Planter. So here are the supplies you will be using to make your forms… Durock (cement board) Z Counterform Edge Profile Chop saw. This can be done by purchasing molding products, such as liquid rubber or liquid plastic and casting custom molds.