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2. Corrugated galvanised iron - Wikipedia

   en.wikipedia.org/wiki/Corrugated_galvanised_iron

   Corrugated iron in the Cobar Sound Chapel, used both for the roof and as the formwork for the concrete interior. Typical corrugated galvanised iron appearance, with visible large flake type patterns. The galvanised sheet is viewed from below and is supported by a piece of angle iron (painted white). Corrugated galvanised iron (CGI) or steel ...

3. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   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. Hot-dip galvanization - Wikipedia

   en.wikipedia.org/wiki/Hot-dip_galvanization

   Hot-dip galvanization. Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 450 °C (842 °F). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O 2 ...

5. NRG Stadium - Wikipedia

   en.wikipedia.org/wiki/NRG_Stadium

   NRG Stadium (previously known as Reliant Stadium) is a multi-purpose stadium in Houston, Texas, United States. Construction was completed in 2002, at a cost of $352 million and has a seating capacity of 72,220. [9][10] It was the first NFL facility to have a retractable roof. [11]

6. Galvanization - Wikipedia

   en.wikipedia.org/wiki/Galvanization

   Galvanization. Galvanized surface with visible spangle. Galvanization (also spelled galvanisation) [1] is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc. [citation needed]

7. Fiber cement siding - Wikipedia

   en.wikipedia.org/wiki/Fiber_cement_siding

   Fiber cement siding. Fiber cement siding (also known as " fibre cement cladding " in the United Kingdom, " fibro " in Australia, and by the proprietary name " Hardie Plank " in the United States) is a building material used to cover the exterior of a building in both commercial and domestic applications. Fiber cement is a composite material ...