Pressure-treated wood
- Upfront
- $1.85 – $4.10/lf
- Lifespan
- 10 – 15 years
- Lowest upfront cost ($15–25/sq ft installed)
- Universally available — Home Depot, Lowe's, lumberyards
- Workable with standard fasteners and tools
- Annual stain/seal needed (~$0.45/sq ft/yr)
- Splinters, splits, and warps over time
- Higher 25-year ownership cost than composite