Douglas Fir

Douglas FirScientific Name:
Pseudotsuga menziesii

Other Names and Species:
Blue Douglas-fir
Coast Douglas-fir
Colorado Douglas-fir
Common Douglas-fir
Douglas Spruce
Douglas Tree
Fraser River Douglas-fir
Gray Douglas-fir
Green Douglas-fir
Interior Douglas-fir
Oregon Douglas-fir
Oregon Pine
Rocky Mountain Douglas-fir

Origin:
Western North America

Depending on the age and growing location of the tree, the color of Douglas fir can vary, but is usually light brown, with hints of yellow or red, as well as darker growth rings. The wood is moderately lustrous, showing a generally straight grain with occasional wavy or curly figuring. The texture ranges from medium to coarse.
Douglas fir is reported to be moderately resistant to decay, though it is somewhat susceptible to insect attack. When worked, it gives off a sweet, piney odor from the resin or pitch that the wood contains.
The hardness of Douglas fir is 660 and it falling near the bottom of the Janka scale, it is one of the softest and least durable woods. It isninety-six percent softer than southern yellow pine (loblolly and shortleaf), it is only one-third as hard as santos mahogany’s ranking of 2200.
Generally Douglas-fir machines well, with a small to moderate blunting effect on cutting tools. It stains, glues, and finishes well.
Douglas-fir’s uses include wood flooring, plywood manufacturing, veneer, and lumber for structural and construction purposes.

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