I have approx. 1450 sq ft of garage to epoxy. Two car garage and one RV Bay (RV weighs approx. 70,000lbs and has tag axle). Garage is 18 months old. No oil spots.
First Power wash
Then plan to use Diamabrush from Home Depot with Vac.
Sweep and Rinse
Then Muriatic Acid Wash
Rinse and PH test...