So we can help you better with getting the perfect product and quantity, give us a physical description of the surfaces you plan to paint (floor, ceiling, walls? What is the material typel you will be painting (Concrete, wood, drywall, etc? Interior/exterior?). Include square footage of surfaces to be covered. Is it new construction or refurbishment? How will this space be used (is it high traffic, outdoor/indoor, frequently cleaned, corrosive environment, etc)?