Douglas Fir (2026)
Pseudotsuga menziesii • Pacific Northwest
Softwood
$
Douglas Fir is one of North America's most important structural woods.
Key Takeaways
- Douglas Fir has a Janka hardness of 660 lbf and density of 34 lbs/ft³.
- Common uses include Structural framing, Beams, Plywood.
- Color: Light reddish-brown to yellowish tan.
- High for outdoor use.
Janka Hardness
660 lbf
Density
34 lbs/ft³
Moisture
12-15%
Fire Rating
Class C
Durability
Class C - 5-10 years outdoor
Price Range
$
Color Characteristics
Light reddish-brown to yellowish tan
Key Characteristics
- •Excellent strength-to-weight
- •Tight grain
- •Good stability
- •Long clear lengths
- •Holds fasteners well
- •Minimal resin
- •Good structural
- •Industry standard
Common Applications
- •Structural framing
- •Beams
- •Plywood
- •Flooring
- •Timbers
- •Construction lumber
- •Trusses
- •Laminated beams
Maintenance Requirements
High for outdoor use.
Advantages
- Very affordable
- Excellent structural
- Widely available
- Long boards
- Good workability
- Industry standard
- Sustainable
- Good strength
Considerations
- Not rot-resistant
- Needs treatment outdoor
- Can warp
- Prone to splitting
- Limited outdoor durability
- Best for structural
- Requires finish
- Pitch pockets
Frequently Asked Questions
Structural framing, Beams, Plywood, Flooring, Timbers, Construction lumber, Trusses, Laminated beams.
Douglas Fir has a Janka hardness rating of 660 lbf, making it a softer wood suitable for Structural framing, Beams, Plywood.
Douglas Fir wood is Light reddish-brown to yellowish tan. Excellent strength-to-weight
High for outdoor use.
Related Species
Softwood
Redwood
Redwood is prized for its rich color and natural beauty with natural decay resistance.
Softwood
Western Red Cedar
Western Red Cedar is a classic choice for outdoor projects with natural decay resistance.
Softwood
Ponderosa Pine
Ponderosa Pine is a versatile softwood with fine, uniform texture.