Blue Water Marine Paint Pool Guard Ehb - Epoxy High Build Concrete & Plaster Fiberglass & Gunite Alternative to Plaster Resists Chlorine & U.V. Rays Perfect for Imperfect Surfaces Silicone & UV Stabilizers act like a Sunblock Tile Finish Excellent Color Retention Covers 300 - 400 square feet/gallon; 2 coats needed for proper application To figure out the amount of paint required: Length x Width x 1.7 x 2 (2 coats)= Total/300 feet = Gallonage Required/2 = total kits required This item is not for sale in Catalina Island