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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. Galvannealed - Wikipedia

   en.wikipedia.org/wiki/Galvannealed

   In the 1990s galvannealled coatings were used by Honda, Toyota and Ford, with hot dip galvanized, electrogalvanized and other coatings (e.g. Zn-Ni) being used by other manufacturers, with variations depending on the part within the car frame, as well as due to local price differences. [10] Galvannealed steel is the preferred material for use in ...

4. 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.

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. Framing (construction) - Wikipedia

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

   Where the second top plate does not lap the plate immediately underneath at corner and partition intersections, these may be tied with 0.036 in (0.91 mm) galvanized steel plates at least 3 in (76 mm) wide and 6 in (150 mm) long, nailed with at least three 2 + 1 ⁄ 2 in (64 mm) nails to each wall.

7. Sheet metal - Wikipedia

   en.wikipedia.org/wiki/Sheet_metal

   The process of flattening metal sheets required large rotating iron cylinders which pressed metal pieces into sheets. The metals suited for this were lead, copper, zinc, iron and later steel. Tin was often used to coat iron and steel sheets to prevent it from rusting. [3] This tin-coated sheet metal was called "tinplate." Sheet metals appeared ...