Redwood
Description
A soft, red coastal tree, Sequoia sempervirens, found within 30 miles of the Pacific coast in northern California and southern Oregon. Redwoods are the tallest living trees and soome are more than 2000 years old. The redwood tree produces of lightweight, spongy wood that has a straight grain. The strong, durable wood is used for bridges, boxes, lumber, shingles, siding, fencing, and decking. Natural tannin dyes in the wood tend to cause brown stains in paint films. Redwood is resistant to decay and insect attack. It significantly expands and contracts with changes in humidity. Peak lumbering years were 1910-1930.
Synonyms and Related Terms
Sequoia sempervirens; sequoia pine; California redwood; humbolt redwood; rdtr (Dan.); Kstenmammutbaum (Deut.); secuoya (Esp.); squoia feuilles d'if (Fr.); squoia toujours vert (Fr.); sequoia (It.); kustmammoetboom (Ned.); sequia (Port.); Amerikansk sekvoja (Sven.)
Other Properties
Tree height reaching to 112 m with truck diameter of 7m. Bark = thick, deeply furrowed, and resistant to fire and fungus. Leaves= needles (15-25 mm). Cones=ovoid (15-32 mm long) with spirally arranged scales.
Specific gravity = 0.37-0.38.
| Density | 28-50 ppcf |
|---|
Additional Images
Redwood burl (Sequoia sempervirans)
Redwood
Authority
- F. H. Titmuss, F. H. Titmuss, Commercial Timbers of the World, The Technical Press Ltd., London, 1965
- External source or communication, External source or communication Comment: California Redwood Association, San Francisco, CA: air-dry weight = 30 pcf
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Coast_Redwood (Accessed Nov. 9, 2005)
- G.S.Brady, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 657
- Michael McCann, Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Edward Reich, Carlton J. Siegler, Edward Reich, Carlton J. Siegler, Consumer Goods: How to Know and Use Them, American Book Company, New York City, 1937