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

AROUND THE SITE

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Unit 2921, Metropole Square,
Sha Tin, Hong Kong
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