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AHI Roofing: Wikis


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AHI Roofing
Type Public company
Headquarters Auckland, New Zealand
Area served New Zealand
Industry Construction
Products Roofing products
Services Construction

AHI Roofing is the world's largest manufacturer of stone chip coated metal roof tiles based in Auckland, New Zealand and with plants in New Zealand, United States (California), Hungary and Malaysia.[1] The company sells under both the GERARD and DECRA brand names.



AHI Roofing was created nearly 50 years ago when Lou Fisher produced the world's first steel tile, and the following fifty years this concept developed. AHI Roofing does business in over eighty countries.[2] in steel roof tiles.

AHI Roofing Limited is owned by Fletcher Building.

History of Product Development and Market Expansion

  • 1940 - During World War 2, bitumen paint-protected iron cladding was used in the UK
  • 1954 - Lou Fisher observed the bitumen coating process.
  • 1957 - The first Fisher tile was manufactured in Auckland. (The world's first Steel Roof Tile)
  • 1964 - 10-Pan Harvey tile was developed.
  • 1967 - 'Imporved' interlocking profile developed.
  • 1960-70 - Stone chips refined; overglaze added.
  • 1970's - Exports to Europe, licensed manufacture in Belgium 1979 and Denmark in 1981.
  • 1980 - Acrylic coatings introduced, improving durability.
  • 1980's - Exports to Asia, licensed manufacture in Malaysia 1985.
  • 1989 - Gerard operations (outside USA) purchased.
  • 1989 - USA plant established - Corona, California
  • 1981-94 - Export Offices in Canada 1981,. Australia 1989, Central Europe 1991, Arabian Gulf 1993, Japan 1994, Hong Kong 1998, Turkey 1999, Slovenia 2000, Poland 2001, France 2004.
  • 1995 - Zincalume┬« Steel Substrate replaces galvanized steel, further extending product life.
  • 1988 - Purchased by Tasman Building Products, renamed AHI Roofing.
  • 2003 - Purchased by Fletcher Building.
  • 2005 - Purchased Plant of former Licensee in Malaysia.
  • 2009 - New plant starts to operate in Hungary

International Offices

North America South America Oceania Europe Africa Asia
  • Canada Canada
  • Australia Australia
  • New Zealand New Zealand
  • Hungary Hungary
  • Poland Poland
  • United Kingdom United Kingdom
  • France France
  • Italy Italy


External links


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