Etching the concrete floor prior to coating is essential especially if you are not using the perferred method of shot-blasting or grinding. Rust-Oleum Epoxy Shield makes an etch specificall designed to do this withour harming grass or plants.
Epoxy Shield 1 pound of Concrete Floor Etch. Properly Prepare your Concrete Surfaces For Painting. Will not Harm Grass Or Plants. Highly Concentrated Formula Makes 2 Gallons Of Etching Solution.
Here's how to etch the floor. We recommend the proper safety equipment including rubber boots and gloves, face shield or googles, long sleeve clothing, and a vapor respirator.