Pressure Treated Pine
Pinus spp. • North America
Treated Softwood
$
Pressure treated lumber is chemically treated to resist rot, decay, and insect damage. The most economical choice for structural and ground-contact applications.
Janka Hardness
690
Density
35 lbs/ft³
Moisture
15-19% (after treatment)
Fire Rating
Class C
Durability
Class B - 10-15 years (with treatment)
Price Range
$
Appearance
Light brown to greenish (treatment dependent)
Key Characteristics
- •Chemical treatment for protection
- •Affordable and widely available
- •Suitable for ground contact
- •Good structural properties
- •Available in many dimensions
- •Can be painted or stained
Common Applications
- •Deck framing
- •Posts and beams
- •Ground-contact applications
- •Fencing
- •Retaining walls
- •Structural framing
Maintenance Requirements
Moderate to high maintenance. Must dry before staining (6-12 months). Seal or stain every 2-3 years. Inspect regularly for damage.
Advantages
- Most affordable option
- Widely available
- Good for structural use
- Rot and insect resistant
- Suitable for ground contact
- Many size options
Considerations
- Contains chemicals
- Can warp and twist
- Requires drying time
- Prone to splitting
- Needs regular maintenance
- Not as attractive as natural wood