This even texture along with its moderate density (450-500 kg/m3 at 12% moisture content) gives radiata pine excellent machining (planning, cross-cutting, moulding, turning & sanding) properties. Tree Size: 80-100 ft (24-30 m) tall, 2-3 ft (.6-1m) trunk diameter. It is completely clear of knots and is a delight to work with. New Zealand radiata pine has exceptional gluing properties and good dimensional stability. Green density is about 1000 kg/m3, and air-dry density about 590 kg/m3 in 30-40 year old and about 480 kg/m3 in 10-20 year old trees. Related Documents . The appearance is similar to yellow pines, but the texture is more like white pines, without the alternating hard and soft layers that yellow pine has. Even glancing at it I was able to make out two; that radiata pine is knot free (very untrue; knots are very common) and that it has a medium and even texture (again, untrue; it has a fine texture and uneven grain which allows for more secure joints when using glue). This is separate from the treatments of the dried wood to produce “treated” pine for outdoor use, or for termite resistance of structural pine. The radiata pine I have seen in Australia is pale yellow/white to pale brown with no black. Radiata pine: Timber properties, occurrence, appearance, uses and identification features. The main 200mm diameter curved glulam frames – each member 14m long were hand planed in the factory to achieve the rounded finish.Radiata pine is plentiful, and readily available from a wide variety of suppliers. I recommend looking into other sources.Radiata Pine is MOSTLY knot free. I’ll have to look into this a little more.But I have attached a different photo of another specimen, this time of wild radiata pine (now considered “endangered” by IUCN) and it shows the same streaks — which are actually just the resin canals.Hi Eric, I was not just talking about the streaks – as shown in your image – but also the pervasive dusting of black specs throughout the wood as shown in the four “Scans/Pictures” currently shown for this article. Less desirable features to watch for when working with this timber include:Strip and tongue-and-grooved flooring is unsuitable, unless from hardened radiata pine products.Panel products, such as plywood, MDF and laminated veneer lumber, are also available from radiata pine resources. Average Dried Weight: 32 lbs/ft 3 (515 kg/m 3) Specific Gravity (Basic, 12% MC): .41, .51. The average density figure for the whole country is 500 kg/m3. The sapwood is white to pale yellow, but often indistinguishable from the heartwood, which is light brown to yellow. Established forms of construction, which are no longer possible using traditional materials, can be effectively replicated using manufactured glulam. Most wood products require machining in one form or another.The machining characteristics of any wood species can be as important as its strength, hardness or durability in deciding which species is best for a given end use.The most common form of machining is planing, closely followed by shaping and turning. This project required an authentic look and feel to the traditional fale design, including the need for concealed joints. The average density figure for the whole country is 500 kg/m3.Most of the density variation is related to the average temperature during the growing season: the cooler the site, the lower will be the wood density, hence the decrease with altitude and latitude. The veneer has a moderate-to-high lustre. Because radiata pine is easily treated, the timber can be obtained to give appropriate durability in any of the Hazard Classes from H1 to H6.At 12 percent moisture content, the density of radiata pine varies from 560 kg/m3 from low-altitude growth sites from the Waikato northwards, to 460 kg/m3 in timber supplied from Otago and Southland.
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