Western red cedar


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Western red cedar:

see juniperjuniper,
any tree or shrub of the genus Juniperus, aromatic evergreens of the family Cupressaceae (cypress family), widely distributed over the north temperate zone. Many are valuable as a source of lumber and oil. The small fleshy cones are berrylike in appearance.
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, arborvitaearborvitae
[Lat.,=tree of life], aromatic evergreen tree of the genus Thuja of the family Cupressaceae (cypress family), with scalelike leaves borne on flattened branchlets of a fanlike appearance and with very small cones.
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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

thuya, western red cedar, Pacific red cedar

A soft, lightweight, straight coarse-grained wood that is relatively weak; the sap-wood is white, the heartwood is reddish; because of its durability it is widely used for shingles, tanks, and other exterior applications.

western red cedar

A durable, straight-grained, moderately low-density wood of the western US; used extensively for construction where durability is important, esp. for shingles and shakes. Also called thuya.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Yellow cedar and western red cedar were the most durable, followed by Douglas-fir and then tamarack, eastern white cedar, and western larch, with ponderosa pine the least durable.
Specification guide for western red cedar shingles and shakes.
A capillary gas chromatographic method for thujaplicins in western red cedar extractives.
Douglas fir, western hemlock and western red cedar seedlings are available for a quarter apiece at the Bureau of Land Management's surplus sale from 8 a.m.
Shavings colonized by the decay fungi (Gleoeophyllum trabeum (47D) and Postia placenta (120F and 31094B)) were placed in Douglas-fir and western red cedar pole sections at various depths from the pole surface.
Though the revised rule is less stringent than the 1989 standard, industry organizations still recommend that shops enforce the limits of 5mg/[m.sup.3] for wood dust and 2.5 mg/[m.sup.3] for Western red cedar.
On Saturday, volunteers spread out in teams of three to plant a mix of black cottonwood, big leaf maple, Oregon ash, a Willamette Valley subspecies of ponderosa pine and Western red cedar.
"We used western red cedar from North America here because an extremely durable wood was required.
RF heating of western red cedar, Douglas-fir, and red pine pole sections freshly treated with CCA resulted in complete conversion of the hexavalent chromium to the trivalent form.
The July 7 ruling by the 11th Circuit Court of Appeals threw out the standard of 5mg/[m.sub.3] for wood dust and 2.5mg/[m.sub.3] for western red cedar. The three-man panel ruled that OSHA did not prove that its permissible exposure limits (PELs) reduced significant risk or were technically or economically feasible.
The association will be peddling Douglas fir, noble fir, ponderosa pine, grand fir, western red cedar, coast redwood, red alder, giant sequoia and white oak - all for the price of 50 cents per seedling.
The ability of fungi to survive in western red cedar utility poles through the thermal treatment process was explored by removing increment cores from 200 poles before and after treatment.

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