We use commercial grade sealer with sand by hand. Our choice of sealer Is Sealmaster coal tar sealer. Hot tar crack filler, line striping and sports coating for tennis and basketball courts. All our work is guaranteed labor and materials. Our Sealcoating unit is state of the art system we can spray or apply by hand. Hydraulic agitated system so we can mix your sealer with sand and additive for a perfect mix design for your sealer being applied to your driveway.