As recommended by a professional painter: to paint over any surface, without sanding, use a product called 'ESP: Easy Surface Prep' available at hardware and paint shops. Wipe on, wipe off and paint in 90 minutes. Saves hours of work!
Painting your garage floor is a great way to protect it from oil and fluid drips from your car. Or, you can use specialty paints like epoxy to repurpose the garage and create more living space in your home. So what type of paint should you use?