1.1 This specification establishes the requirements for lead-coated copper sheet and strip in flat lengths (or in coils) in ounce-weight thicknesses for roofing, flashing, gutters, downspouts, and for the general sheet metalwork in building construction. The lead coating is applied by hot dipping.1.2 Materials made to this specification are not intended for electrical applications.1.3 Units - Values stated in inch-pound units are to be regarded as standard. The values given in p