SpecChem Product Calculators Expand to choose calculator by product: Overcrete (Coarse) Enter number of project square feet*Select depth of pour*1/4"1/2"1"1 1/2"Approximate number of OverCrete (Coarse) - 40 lb. bags needed Overcrete (Fine) Enter number of project square feet*Select depth of pour*1/16"1/8"1/4"1/2"Approximate number of OverCrete (Fine) - 40 lb. bags needed RepCon 928 Enter number of project square feet*Select depth of pour*1/4"1/2"1"1 1/2"Approximate number of RepCon 928 - 50 lb. bags needed SpecFlow Enter number of project square feet*Select depth of pour*1/4"1/2"1"1 1/2"Approximate number of SpecFlow 50 lb. bags needed SpecPatch Enter number of project square feet*Select depth of pour*1/4"1/2"1"1 1/2"Approximate number of SpecPatch 15 - 50 lb. bags needed SpecLevel PCT-AGG Enter number of project square feet*Depth in inches*Approximate number of SpecLevel PCT-AGG 50 lb. bags needed