How to Apply Epoxy Garage Floor Coating

Concrete is porous, absorbing every drop of motor oil, antifreeze, and road salt that hits it, eventually turning your garage floor into a stained, dusty eyesore. An epoxy coating transforms that surface into a sealed, high-gloss shield that wipes clean with a rag and brightens the entire room by reflecting overhead light. Getting a professional-grade finish depends entirely on the preparation, not the application itself. If the concrete isn't properly cleaned and etched, the epoxy will peel or bubble within months. Done well, this project creates a workspace that stands up to years of heavy traffic and spills while dramatically improving the look and value of your home.

  1. Strip the Space Clean. Empty the garage completely and use a stiff-bristle broom to remove all loose dirt and debris. Use a shop vacuum to clear out the expansion joints and corners where dust accumulates.
  2. Kill the Oil Stains. Apply a heavy-duty concrete degreaser to the entire floor and scrub it vigorously with a stiff push broom. Rinse thoroughly with a garden hose and squeegee the water out of the garage.
  3. Open the Pores. Mix the etching solution included in your kit with water and scrub it into the concrete to open the pores. Once the floor looks like fine-grit sandpaper, rinse it until the water runs completely clear.
  4. Verify Complete Dryness. Use a leaf blower or large fans to expedite the drying process for the concrete. The surface must be 100% dry before the epoxy touches it, or the moisture will cause the coating to fail.
  5. Mix to Exact Spec. Combine the two-part epoxy components according to the manufacturer's exact ratios. Use a drill with a mixing paddle to ensure the material is fully homogenized for the specified time.
  6. Toss Flakes While Wet. Cut in the edges with a high-quality brush, then use a shed-resistant roller to apply the epoxy in thin, even sections. Sprinkle decorative color flakes onto the wet epoxy immediately after rolling each section.