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The wood moisture content is above 25% on a dry-weight basis; The environment is sufficiently warm; Oxygen (O 2) is present; Wood with less than 25% moisture (dry weight basis) can remain free of decay for centuries. Similarly, wood submerged in water may not be attacked by fungi if the amount of oxygen is inadequate. Fungi lumber/timber ...
Robert Bunning (13 December 1859 – 12 August 1936) was an English-born Western Australian businessman involved in the construction, timber, and sawmill industries. He co-founded with his younger brother Arthur (1863–1929) the company Bunning Bros, the predecessor to the modern-day retailer Bunnings.
[43] [44] Thus, the treated wood requires drilling for nailing to avoid splitting the wood. Certain of these processes cause less impact than others in their mechanical effects upon the treated wood. Wood treated with this process is often used for cladding or siding, flooring, furniture and windows.
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions.It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects.
Araucaria cunninghamii is a species of Araucaria known as hoop pine. Other less commonly used names include colonial pine, Queensland pine, [3] Dorrigo pine, Moreton Bay pine and Richmond River pine. [1] The scientific name honours the botanist and explorer Allan Cunningham, who collected the first specimens in the 1820s.
When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...
A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) [2] of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.. World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, [3] and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), [4] making it ...
For its timber, the pine species is regarded as the most commercially important tree in the Southeastern U.S. [5] [6] [7] The common name loblolly is given because the pine species is found mostly in lowlands and swampy areas. [8] Loblolly pine is the first among over 100 species of Pinus to have its complete genome sequenced. As of March 2014 ...