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Thuja plicata is a large evergreen coniferous tree in the family Cupressaceae, native to the Pacific Northwest of North America. Its common name is western redcedar in the U.S. [2] or western red cedar in the UK, [3] and it is also called pacific red cedar, giant arborvitae, western arborvitae, just cedar, giant cedar, or shinglewood. [4]
The ACGIH has recommended a 0.5 mg/m3 Threshold Limit Value for western red cedar based on its asthma effects. Certain species of hardwood—such as oak, mahogany, beech, walnut, birch, elm, and ash— have been reported to cause nasal cancer in woodworkers. This is particularly true when exposures are high. [3]
Ammonia fuming is a wood finishing process that darkens wood and brings out the grain pattern. It consists of exposing the wood to fumes from a strong aqueous solution of ammonium hydroxide which reacts with the tannins in the wood. The process works best on white oak because of the high tannin content of this wood.
Scots pine, red pine (UK) (Pinus sylvestris) White pine. Eastern white pine (Pinus strobus) Western white pine (Pinus monticola) Sugar pine (Pinus lambertiana) Southern yellow pine. Loblolly pine (Pinus taeda) Longleaf pine (Pinus palustris) Pitch pine (Pinus rigida) Shortleaf pine (Pinus echinata) Red cedar Eastern red cedar, (Juniperus ...
Cedrus, common English name cedar, a genus of coniferous trees in the plant family Pinaceae Cedrus libani, the Lebanon cedar, native to Lebanon, western Syria and south-central Turkey; Cedrus atlantica, the Atlas cedar, native to the Atlas Mountains of Morocco and Algeria; Cedrus deodara, the Deodar cedar, native to the western Himalayas
Eastern red cedar (Juniperus virginiana) and black locust (Robinia pseudoacacia) have long been used for rot-resistant fence posts and rails in eastern United States, with the black locust also planted in modern times in Europe. Coast redwood is commonly used for similar applications in the western United States.
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Tjujaplicins are found in the heartwood of the conifer trees belonging to the Cupressaceae family, including Chamaecyparis obtusa (Hinoki cypress), Thuja plicata (Western red cedar), Thujopsis dolabrata var. hondai (Hinoki asunaro), Juniperus cedrus (Canary Islands juniper), Cedrus atlantica (Atlas cedar), Cupressus lusitanica (Mexican white cedar), Chamaecyparis lawsoniana (Port Orford cedar ...