Douglas Fir

Douglas Fir timbers are best known for their tough fiber, dense grain structure and strength. They are additionally valuable for their rustic beauty and has excellent fire ratings in the model building codes. The Douglas Fir Lumbers are  naturally dimensionally stable and universally recognized for its superior strength-to-weight ratio and also having the ability to season well in position.

Douglas Fir is the first choice of Architects and Engineers, who look for the best in structural lumber, Its high specific gravity provides excellent nail and plate-holding ability.

Working Properties

Douglas Fir dries easily and rapidly, with little tendency to check and with good dimensional stability. It machines reasonably well, has excellent turning properties, glues well and has moderate nail and screw holding ability. It can be stained or painted to a very good finish.

		Poor Satisfactory Excellent
	Machining
	Nailing
	Screwing
	Gluing
	Finishing

• Density (air dry average): 540 kg/cubic meters
• Specific gravity (oven dry average): 0.51
• Modulus of elasticity: 13 500 MPa
• Modulus of rupture: 88.6 MPa 

Availability options 

Hand selected and re-graded lumbers are generally available in following cross sections in several lengths, kiln dried to a maximum of 18% moisture content and surfaced on all four sides with edged edges. 

38mm x 140mm
38mm x 184mm
38mm x 235mm
38mm x 285mm 

Other dimensions can also be made available with prior arrangement.

PEFC Lumbers are also available with prior arrangement

Related Documents
  Learn more about
  Douglas Fir Lumbers.

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