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Granite® Ultramat


Technical information

  • Organic coating thickness: 35 μm* organic coating applied on a Z225 or Z275 zinc- or Galfan-coated flat carbon steel substrate
  • Dimensions
    Thickness range: 0.35 to 2 mm
    Width range: 800 to 1500 mm
  • Corrosion/UV resistance category: RC4/RUV4
  • Resistance to cracking (T-bend) at 10°C and 20°C ≤ 2T
  • Resistance to cracking (T-bend) after 60 days at -15°C ≤ 2T
  • Clemen scratch resistance ≥ 2 kg
  • Gloss≤ 5 GU
  • Guarantee on non-perforation and non-delamination up to 20 years
  • Guarantee on aesthetic properties up to 10 years

*For properties and performance of 40 μm coating, please contact us

Long lasting and high quality prepainted steel

Designed specifically for roofing, Granite® Ultramat offers advantages over other standard matt products due to the high quality and flexible paint system used.

  • Matt and wrinkled aesthetic appearance
  • Good formability at low temperatures down to 10°C and after cold storage
  • Surface robustness
  • Resistance to cold storage conditions
  • Colour stability
  • Sustainability: surface treatment and paint free of hexavalent chromium and heavy metals

Granite® Ultramat: For durable roofs