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This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.
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 company was founded in 1920 in Chicago, Illinois as a subsidiary of Philip Carey Corporation, to manufacture its namesake product Celotex insulation board, often called simply Celotex. Celotex is a fiberboard made from bagasse (sugar cane waste after extraction of the juice), first produced in a factory in Marrero, Louisiana , outside of ...
Minimum roof insulation level by climate – cool temperate; Alpine reducing heat loss is the main priority Example locations Minimum insulation level (total R-value (m 2 ⋅K/W)) Roof/ceiling* [27] Wall [27] Melbourne, Vic 4.1 2.8 Canberra, ACT 4.1 2.8 Hobart, Tas 4.1 2.8 Mt Gambier, SA 4.1 2.8 Ballarat, Vic 4.1 2.8 Thredbo, NSW 6.3 3.8
By 1971, Owens-Corning's annual revenue was over $500 million. In 1974, the company opened a temporary plant to produce insulation for the Trans-Alaska Pipeline System. In 1977, Owens-Corning acquired Frye Roofing and began production of fiberglas mat to replace traditional paper mat used in roofing. [13]
For comparison, phenolic foam insulation has a k-value of around 0.018 W/(m⋅K), [23] while wood varies anywhere from 0.15 to 0.75 W/(m⋅K), and steel has a k-value of approximately 50.0 W/(m⋅K). These figures vary from product to product, so the UK and EU have established a 90/90 standard which means that 90% of the product will conform to ...
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