Our Gel Coats are matched within 0.5 Delta E to the original factor standard in most cases. One quart of Gel Coat will cover approximately 20 square feet at 8 mils. Gel Coat can be ordered in quart quantities online, or in gallons or five-gallon quantities by calling 1.800.754.5516. Please note that our Gel Coat does not come with any surfacing agents. They must be ordered separately.