Seal Coat Material Calculator The webpage is not working since JavaScript is not enabled. Most likely, you are viewing using Dropbox website or another limited browser environment. Project Specs Number of Coats 1 2 3 4 Area Sq. Ft. Application rate* *Amount of Sealer Concentrate Needed Sq.Ft./Gal % of Water 0 5 10 15 20 25 30 35 40 45 50 % 1. % of Additive 0 1 2 3 4 5 6 % 2. % of Additive 0 1 2 3 4 5 6 % Sand 0 1 2 3 4 5 6 lb./Gal. Material Breakdown Total Bulk Sealer Gallons Water Gallons Additive 1 Gallons Additive 2 Gallons Sand lbs Gallons Total Project Gallons Gallons Reset