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Blue fiber cement siding HardiePanel on design-build addition, Ithaca NY. 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.
When free hydroxyl groups are transformed to acetoxy groups, the ability of the wood to absorb water is greatly reduced, rendering the wood more dimensionally stable and, because it is no longer digestible, extremely durable. In general, softwoods naturally have an acetyl content from 0.5 to 1.5% and more durable hardwoods from 2 to 4.5%.
One major disadvantage of cement board is the weight per square foot. It is approximately twice that of gypsum board, making handling by one person difficult. Cutting of cement board must also be done with carbide-tipped tools and saw blades. Due to its hardness, pre-drilling of fasteners is often recommended. Finally, cement board is initially ...
James Hardie Industries plc (ASX:JHX), a basic materials company based in Ireland, received a lot of attention from a substantial price movement on the ASX in the over the lastRead More...
James Hardie (27 July 1851 – 20 November 1920) [2] emigrated to Australia in 1888 from Linlithgow, Scotland, and established a business importing oils and animal hides. Andrew Reid, also from Linlithgow, came to join Hardie in Melbourne, and became a full partner in 1895. [3] When Hardie retired in 1911, he sold his half of the business to ...
James Hardie's fortunes are tied closely to the housing and renovation markets, which have cooled in the U.S. and elsewhere due to rising interest rates. The company said it expects demand from ...
in the condensation of the water-vapour of the air on the cold surface of a glass; in the capillarity of hair, wool, cotton, wood shavings, etc.; in the imbibition of water from the air by gelatine; in the deliquescence of common salt; in the absorption of water from the air by concentrated sulphuric acid; in the behaviour of quicklime". [4]
WPCs do not corrode and are highly resistant to rot, decay, and marine borer attack, though they do absorb water into the wood fibers embedded within the material. [14] Water absorption is more pronounced in WFCs with a hydrophilic matrix such as PLA and also leads to decreased mechanical stiffness and strength. [15]