Natural Material in its most original form



Living Material



Unlimited Design Possibilities in a Variety of Colors


GRANUM Line - Sleek Look

Phosphated Coated Surfaces

GRANUM skygrey and basalte
  • Phosphate coating: durable and sustainable
  • GRANUM surfaces available in skygrey and basalte
  • Excellent workability; malleable and bendable
  • Matte finish


Consisting of GRANUM skygrey and GRANUM basalte.  Surfaces will patinate as nature intended when exposed to wetting and drying cycles. PrePATINA blue-grey and prePATINA graphite-grey will continue to age over time in response to microclimatic conditions. These natural patinas may appear lighter when used in locations where the air contains chlorides.

RHEINZINK is manufactured to exceed the requirements of Euro-Norm Standard DIN EN 988 (formerly DIN 17770), which prescribes certain minimum material properties for titanium zinc. RHEINZINK is constantly subjected to quality control monitoring according to DIN EN 988, DIN ISO 9001, DIN ISO 14001 requirements, and additionally by an external inspection through an accredited, independent institute (TÜV Rheinland), according to the “Quality Zinc” criteria. RHEINZINK conforms with ASTM B69-16 - Type 1 and Type 2 for Architectural Rolled Zinc.  Type 1 is for bright rolled and blue-grey zinc and Type 2 is for graphite-grey zinc.  Currently, RHEINZINK is the only manufacturer with a Type 2 designation.

  • Standard thicknesses: 0.7mm. 0.8mm, 1.0mm, and 1.2mm
  • Coil and Sheet widths up to 39.4"

RHEINZINK-GRANUM skygrey and basalte can be delivered with a protective film, upon request. 

Tag for download - Preview? Click on media title additionally request by mail Size Type Language Change
Select all Select all
Storage and Handling
43 KB PDF English 18.05.18

RHEINZINK worldwide

Contact us

T: +1 781-729-0812