Smooths, preserves and protects weathered asphalt driveways. use only on unsealed blacktop at least one year old. should not be applied to surfaces previously sealed with coal tar, latex or acrylic driveway sealer. on weathered and patched surfaces, covers 60 to 80 sq-ft. per gal. coverage may vary according to surface age and porosity, climate conditions when applying and method of application.