The Wonderful World of Wood:

Douglas Fir:

  • "Pseudotsuga menziesii"

Other Names:

  • British Columbian Pine.
  • Oregon Pine.

Sources:

  • Western USA.
  • UK.

Tree Characteristics:

  • A tall tree with a straight trunk, it grows to an average height of about 200ft but can reach 300ft.
  • Forest grown trees proudce trunks up to 6ft 6ins in diameter and are free of branches for much of their height.

Characteristics of the wood:

  • A straight grained reddish brown timber, with distinctive earlywood and late wood grain.
  • Obtainable in large knot free sizes.

Workability:

  • Works well with hand and machine tools, but can dull cutting edges, which must be kept sharp.
  • Can be brought to a smooth finish, but the harder latewood grain can be left proud of the surface after sanding.

Average dried weight:

  • 33lb/cuft

Finishing:

  • Stains relatively well, although latewood is more resistant.
  • It can be satisfactorily finished with paint and varnish.

Common uses:

  • Joinery Plwood.
  • Widely used in North America for building construction.

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