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Douglas fir
Scientific name:
Origin:
Tree size:
Common use:
General Information
Pseudotsuga menziesii
Western North America
200-250 ft (60-75 m) tall,
5-6 ft (1.5-2 m) trunk diameter
Joinery - Exterior
Joinery - Interior
Cladding
Structural use
Flooring
Technical Information
Density :
Specific Gravity:
Janka Hardness:
Modulus of rupture:
Elastic Modulas:
Crushing Strength:
Shrinkage:
510 (kg/m3)
0.45, 0.51
2,760 N
86.2 MPa
12.17 Gpa
47.9 Mpa
Radial: 4.5%
Tangential: 7.3%
Volumetric: 11.6%
T/R Ratio: 1.6
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