Average Cost to Epoxy Garage Floors A 250-square-foot, one-car garage typically costs $750 to $3,000 to epoxy. A two-car garage will average 400 to 500 square feet and cost between $1,200 and $6,000. Larger garages or older surfaces that require more coats may be more expensive. Application method may impact total project price. (HomeAdvaisor.com)
One difference between the two epoxies is that coatings cure, whereas paint dries.