SPF (Spruce-Pine-Fir mix), likely White Spruce
Picea glauca · Softwood
- Type
- Softwood
- Origin
- Northern North America (Canada and Northern United States)
- Hardness
- 480 lbf (Very Soft)
- Durability
- Non-durable; low resistance to decay and highly susceptible to insect attack if left untreated in outdoor environments
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Grain Pattern
Straight but wavy around knots; flat-sawn with prominent growth rings and circular branch knots; medium-to-fine texture
Color & Appearance
Creamy white to light yellow sapwood with indistinguishable heartwood; low luster; tends to yellow or darken to a tan/gold with age and UV exposure
Hardness (Janka)
480 lbf (Very Soft)
Durability & Decay Resistance
Non-durable; low resistance to decay and highly susceptible to insect attack if left untreated in outdoor environments
Value & Sustainability
- Estimated Market Value
- $0.60 - $1.10 per board foot (commodity construction grade)
- Wood Age Estimate
- Recent/New; likely manufactured within the last 1-2 years based on the bright color, lack of oxidation, and fresh rough-sawn surfacing
- Sustainability Status
- Highly sustainable; abundant and widely available; not listed by CITES or the IUCN; common in FSC certified forests
Common Uses
Construction lumber (2x4s, framing), crates, pallets, millwork, and paper pulp
Geographic Origin
Northern North America (Canada and Northern United States)
Workability
Easy to work with both hand and machine tools; glues and finishes well, though large knots can cause blade deflection and tearout
Finish Recommendations
Water-based or oil-based polyurethane; requires a pre-stain wood conditioner if staining to prevent blotching due to uneven density
Notable Features
Slight resinous scent; lightweight with a high strength-to-weight ratio; susceptible to blue stain fungi if moisture is present
