Roano Zinc™
ROANO ZINC PREWEATHERED PATINA ON ZINC
Roano Zinc is a lead-free, preweathered patina on zinc sheet metal, a proprietary, enduring finish developed by Zahner. The sophisticated material is part of Zahner’s line of raw patinated products, which are designed to age like tanned leather or vintage wine.
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Patination of Zinc
Zinc is a sophisticated material that ages with integrity not unlike the elegance of a copper patina. As one of the most enduring metals, Zinc surfaces can easily last more than 100 years.
Left to its own devices, raw uncoated zinc will either grow lighter or slowly darken as it reacts to environmental conditions. If exposed to prolonged contact with direct moisture, the metal’s outward face may be susceptible to white-gray areas and/or streaking; this condition can occur with or without a patinated surface. Under typical conditions, patina color will darken, creating a rich umber feel over time.
If exposed to moisture over time, the back face of zinc material may suffer from perforation or disintegration of the surface; to ensure best performance, the verso may be covered with plastisol or a similar coating to mitigate potential damage.
Meeting EPA Standards for Patinated Zinc
Zahner produces patinas on lead-free zinc, copper and weathering steel in an award-winning, EPA certified facility in strict compliance with standards for waste management—a process more than ten years in development. As stewards of the built environment, Zahner is dedicated to maintaining minimal impact on habitats surrounding our facilities and projects.
