Option 1 to completely strip the entire surface use a product such as behr premium concrete masonry paint striper no.
Behr epoxy concrete paint.
To add a topcoat refer to.
It resists peeling caused by hot tires.
Behr premium interior exterior concrete garage self priming 1 part epoxy is a high performance ready to use single component water based floor paint that resists hot tire pickup and marring.
Option 2 to recoat over an existing coating remove any loose or peeling paint and scuff sand the surface.
Painted stained or sealed concrete.
How to coat a garage floor step 1 once the surface is cleaned prepped and primed apply the epoxy floor paint.
It provides a stain chemical and weather resistant finish.
The finish is resistant to household type chemicals oil and gasoline which reduces the need for maintenance of hard to clean interior or exterior floors.
Cost is generally less than 30 per gallon at the home depot.
Apply behr premium 1 part epoxy concrete garage floor paint top coated with behr premium wet look sealer.
Coverage is roughly 400 to 500 square feet per gallon for smooth floor or 300 to 400 if your floor or concrete surface is on the rough side.
Surfaces stay cleaner longer.