Miracle Sealants - 511 Porous Plus Penetrating Sealer 4 Quarts = 1 Gallon Enter your model number to make sure this fits. Coverage: 500 - 2000 square feet per gallon (72 - 180 square meters per 3.785 liters) 1 Gallon= 4 QUARTS Interior & Exterior Use Easy to Use and OK for Food Areas