Ultra Heavy-Duty Red Ironbark Posts - The Ultimate in Strength

When maximum strength and durability are non-negotiable, these massive 300x300mm red ironbark posts deliver uncompromising performance. Available in custom lengths up to 8 metres, these posts are engineered for the most demanding structural and fencing applications.

Product Specifications

• Cross-Section: 300mm x 300mm
• Available Lengths: 2.1m to 8.0m (custom lengths available)
• Timber: Premium red ironbark hardwood
• Grade: Structural grade for maximum load-bearing capacity
• Treatment: Naturally durable, no chemical treatment required
• Sourcing: Available from new timber or reclaimed/recycled sources

Red Ironbark - Australia's Strongest Timber

• Exceptional Durability: Class 1 rating with 25+ year lifespan in ground contact
• Extreme Hardness: Janka hardness rating of 14,000+ - one of the world's hardest timbers
• Superior Strength: Exceptional load-bearing capacity for structural applications
• Fire Resistance: High fire resistance rating for bushfire-prone areas
• Marine Grade: Excellent resistance to marine borers and salt water

Heavy-Duty Applications

These massive 300x300mm posts are specifically designed for:

• Architectural Buildings: Feature posts, exposed structural elements, and heritage restorations
• Industrial Structures: Warehouses, sheds, and commercial buildings
• Bridge Construction: Jetties, boardwalks, and pedestrian bridges
• Retaining Walls: Heavy-duty earth retention systems
• Mining Applications: Underground and surface mining structures
• Agricultural Buildings: Large barns, machinery sheds, and livestock facilities
• Marine Construction: Wharves, piers, and coastal structures

Sustainable Timber Options

We offer these posts from both new and recycled timber sources. Our recycled red ironbark posts are carefully sourced from demolished buildings and structures, providing an environmentally sustainable option with the same exceptional strength and character. Recycled timbers often feature unique patina and weathering that adds distinctive character to architectural projects.

Custom Length Options

Available in lengths from 2.1m up to 8.0m to suit your specific project requirements. Longer lengths reduce the number of joints required and provide superior structural integrity for large-span applications.

Popular Lengths: 2.4m, 3.0m, 3.6m, 4.2m, 4.8m, 6.0m, 7.2m, 8.0m

Each post is precision-milled to exact specifications and can be custom-morticed or notched to your requirements. Contact us to discuss your specific project needs, custom sizing options, and availability of recycled timber.