Take the hard work out of building retaining walls with TUFFPOLY Composite C Posts — the smarter, lighter, and longer-lasting alternative to steel or timber. Designed to perfectly complement TUFFPOLY Composite Sleepers, these advanced H Posts make retaining wall construction faster, easier, and more durable than ever before.

Made from high-strength fibre-reinforced polymer, TUFFPOLY H Posts are engineered to handle structural loads while being up to 10× lighter than steel, eliminating the need for heavy machinery. Plus, they’ll never rust, rot, or corrode, even in coastal or high-moisture environments.

Whether you're a DIYer tackling your first wall or a professional landscaper working on tough terrain, TUFFPOLY C Posts deliver unbeatable convenience, reliability, and a great timber-look finish to match your outdoor project.

TUFFPOLY Composite C Posts Key Features

• Lightweight & Easy: Up to 10× lighter than steel posts — easy to carry, lift, and install by hand.

• High Strength: Engineered composite provides outstanding load-bearing strength for retaining walls up to 1.4m high.

• Zero Maintenance: Will never rot, rust, or corrode, making them ideal for all conditions, including coastal and high-moisture areas.

• Durable Finish: UV-stabilised for long-lasting performance and colour retention.

• Seamless Look: Matches perfectly with TUFFPOLY Composite Sleepers in Drift and Charcoal for a professional, cohesive finish.

• Fast & Cost-Effective: Install faster, save on labour costs, and avoid the need for specialised lifting equipment.

• Australian Engineered: 100% designed and tested in Australia to exceed AS 4678:2002 standards for earth-retaining structures.

• Sustainable: Low-energy, low-carbon manufacturing process with smarter transport efficiency.

TUFFPOLY Composite C Posts Specifications

• Sizes & Weights:
  • 1200x109x53mm : 4.32kg
  • 1600x109x53mm : 5.76kg
  • 2000x109x53mm : 7.2kg
  • 2400x109x53mm : 8.64kg
  • 2800x109x53mm : 11.52kg
• Colours: Drift (light timber tone) and Charcoal (dark timber tone)
• Maximum Wall Height: Engineered for retaining walls up to 1.4 metres high
• Material: Fibre-reinforced polymer composite — contains no timber or steel — zero rot, zero rust
• Applications: Ideal for structural retaining walls, raised garden beds, garden edging, and even to support fences when used with galvanised fence brackets
• Standards Compliance: Exceeds AS 4678:2002 – Earth Retaining Structures