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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 ...
The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting structure. Those types of roofing material which are commercially available range from natural products such as thatch and slate to commercially produced products such as tiles and polycarbonate sheeting. Roofing materials ...
Nigerite Limited is a firm that manufactures roofing and ceiling sheets and provides building components to the construction and building industry in Nigeria. It was established in April 1959 as a joint venture between the Western Regional government, Eternit Group [1] who had majority shareholding, Patterson Zochonis and John Holt.
This allowed the sheet iron to be self-supporting when used as a roof; a contemporary account praised the material as "the lightest and strongest roof (for its weight) since the days of Adam". [ 7 ] After Palmer's patent expired in 1843, corrugated galvanized iron (CGI) became a world-wide favorite roofing material. [ 7 ]
A roof (pl.: roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. [1]
Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America. The material is based on the same materials used in asphalt shingles ; an organic felt or fiberglass mat, saturated with asphalt , and faced with granular stone aggregate.
Corrugated fiberboard, corrugated cardboard, or corrugated is a type of packaging material consisting of a fluted corrugated sheet and one or two flat linerboards. [1] It is made on "flute lamination machines" or "corrugators" and is used for making corrugated boxes .
The wall materials comprised puddled mud and palm oil [126] while roofing materials ranged from thatches to corrugated iron sheets. [126] A famous Yoruba fortification, the Sungbo's Eredo, was the second largest wall edifice in Africa. The structure was built in the 9th, 10th and 11th centuries in honour of a traditional aristocrat, the Oloye ...