Miracle Sealants - 511 Seal and Enhance Penetrating Sealer and Color Enhancer Contractor Pack - 4 Quart Enter your model number to make sure this fits. Coverage: Approximately 250 - 4,000 SQ/FT per gallon (25 - 400 square meters per 3.785 liters). 1 Gallon= 1 Contractor pak= 4 QUARTS Interior & Exterior Use Oil Resistant, Water Repellent, Will Not Yellow