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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

   Metal roofs are sometimes made of corrugated galvanized steel: a wrought iron–steel sheet was coated with zinc and then roll-formed into corrugated sheets. Another approach is to blend zinc , aluminum, and silicon -coated steel.

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. [10]

6. Benjamin Obdyke - Wikipedia

   en.wikipedia.org/wiki/Benjamin_Obdyke

   The company and product line grew over the years to include a variety of rain carrying equipment, roof edging and trims. The manufacturing process included roll formers and various stamping dies. The products were manufactured from Galvanized steel, copper and later aluminum (both pre painted and mill finish).

7. Lysaght (Australian company) - Wikipedia

   en.wikipedia.org/wiki/Lysaght_(Australian_company)

   Galvanized sheet and plate was also made, between 1893 and 1912, at the Eskbank steelworks in Lithgow, by a competitor. [3] [4] [5] The brand was Eskbank and the sheets were corrugated for roofing. The galvanizing plant was primitive but produced a good quality product, albeit in small quantities.