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Douglas fir This page was last edited on 11 January 2025, at 18:53 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
Within the USA fir, also known as Douglas fir, is inexpensive and common at local home centers. It has a characteristic straight, pronounced grain with a red-brown tint. However, its grain pattern is relatively plain and it does not stain well, so fir is commonly used when the finished product will be painted.
In the United States, pilings are mainly cut from southern yellow pines and Douglas-fir. Treated pilings are available in chromated copper arsenate retentions of 0.60, 0.80 and 2.50 pounds per cubic foot (9.6, 12.8 and 40.0 kg/m 3 ) if treatment is required.
Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
Coast Douglas-fir is the second-tallest conifer in the world (after coast redwood), and the third-tallest of all trees, (after Eucalyptus regnans).Currently, coast Douglas-fir trees 60–75 metres (197–246 ft) or more in height and 1.5–2 metres (4.9–6.6 ft) in diameter are common in old growth stands, [4] and maximum heights of 100–120 metres (330–390 ft) and diameters up to 4.5–5. ...
Chip Somodevilla/Getty. Melania Trump and son Barron Trump at the Palm Beach Convention Center on Nov. 6, 2024
Pseudotsuga japonica, the Japanese Douglas-fir, is a species of conifer in the pine family, Pinaceae, that is endemic to Japan. [ 1 ] [ 3 ] [ 4 ] It is a medium-sized tree growing to 25 m (82 ft) tall. [ 3 ]
Douglas fir and aspen forest is a plant community or vegetation type of the mountains of the western United States, dominated by Douglas fir (Pseudotsuga menziesii) ...