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2. Corrugated galvanised iron - Wikipedia

   en.wikipedia.org/wiki/Corrugated_galvanised_iron

   Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...

3. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.

4. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Standing-seam metal roof with concealed fasteners. Mechanically seamed metal with concealed fasteners contains sealant in seams for use on very low sloped roofs, suitable for roofs of low pitch such as 0.5/12 to 3/12 pitch. Flat-seam metal with or without soldered seams. Steel coated with a coloured alloy of zinc and aluminium. Stone-coated ...

5. Galvanization - Wikipedia

   en.wikipedia.org/wiki/Galvanization

   Rusted corrugated steel roof Galvanized steel can last for many decades if other supplementary measures are maintained, such as paint coatings and additional sacrificial anodes . Corrosion in non-salty environments is caused mainly by levels of sulfur dioxide in the air.

6. Hot-dip galvanization - Wikipedia

   en.wikipedia.org/wiki/Hot-dip_galvanization

   Hot-dip galvanized steel strip (also sometimes loosely referred to as galvanized iron) is extensively used for applications requiring the strength of steel combined with the resistance to corrosion of zinc, such as roofing and walling, safety barriers, handrails, consumer appliances and automotive body parts.

7. Covering (construction) - Wikipedia

   en.wikipedia.org/wiki/Covering_(construction)

   DTU 40.35 Ribbed Sheet Roofing from Coated Steel Sheets; DTU 40.36 Pre-painted or Non-pre-painted Aluminum Sheet Roofing; DTU 40.41 Roofing with Metal Elements in Zinc Sheets and Long Sheets; DTU 40.44 Roofing with Metal Elements in Stainless Steel Sheets and Long Sheets; DTU 40.45 Roofing with Metal Elements in Copper Sheets and Long Sheets