Treated Timber Price Explained: Costs, Types & Outdoor Durability
Treated timber is designed to last longer than untreated wood, especially in outdoor and humid environments. This guide explains treated timber prices per cubic meter, treatment types, lifespan, and whether the higher cost is worth it.
What Is Treated Timber?
Treated timber is wood that has been infused with preservatives to protect it from rot, insects, fungi, and moisture. It is commonly used for decking, fencing, landscaping, and structural outdoor applications.
Types of Timber Treatment
- Pressure-treated timber: Chemicals are forced deep into the wood.
- Vacuum-treated timber: Lighter treatment for indoor or covered use.
- Water-based treatment: Safer and more environmentally friendly.
- Oil-based treatment: Better moisture resistance but higher cost.
Treated Timber Prices Per Cubic Meter
| Treatment Type | Average Price (USD/m³) | Best Use | Expected Lifespan |
|---|---|---|---|
| Untreated Softwood | $250 – $400 | Indoor construction | 5–10 years |
| Pressure-Treated Softwood | $350 – $650 | Decking, fencing | 15–25 years |
| Heavy-Duty Treated Timber | $500 – $900 | Ground contact | 25–40 years |
| Treated Hardwood | $700 – $1200 | Outdoor structures | 30+ years |
Is Treated Timber Worth the Extra Cost?
Yes. Although treated timber costs more upfront, it significantly reduces maintenance, replacement, and repair costs. For outdoor projects, treated timber often delivers better long-term value.
Treated vs Untreated Timber Price Comparison
Treated timber usually costs 20–50% more than untreated wood. However, untreated timber used outdoors often fails early, making treated timber the more economical choice over time.
Frequently Asked Questions
Is treated timber safe to use?
Modern treated timber is safe when used according to manufacturer guidelines.
Can treated timber be painted?
Yes, but allow it to dry fully before painting or staining.
Does treated timber need maintenance?
Periodic sealing increases lifespan, especially outdoors.
Conclusion
This treated timber price guide shows why treated wood is essential for outdoor and structural projects. While it costs more than untreated timber, its durability and lifespan make it a smart long-term investment.