UGINOX BRIGHT, PATINA and TOP are terne-coated stainless steels which take on the natural patina of aged lead sheet.
This has prompted English Heritage to endorse them as an acceptable alternative to lead. Such nickel-free ferritic grades are invariably lower in cost per square metre than copper and zinc, their inherent strength enabling them to be used at gauges as thin as 0.4mm. Overall weight savings can therefore be as much as 35%. All require minimal cleaning and maintenance and offer complete resistance to underside corrosion in non-ventilated situations.