Tuffpoly H-Posts – Structural Composite Retaining System
Tuffpoly H-Posts are the smarter way to build retaining walls. Designed and engineered in Australia, these composite posts deliver the strength of concrete and steel without the heavy lifting.
Weighing less than 15kg each, Tuffpoly H-Posts are up to 10x lighter than concrete alternatives. That means faster, safer installs with no need for lifting machinery—perfect for hard-to-reach or sloping sites.
Built to last, Tuffpoly is resistant to moisture, UV, mould, rust, and rot, making it ideal for coastal and high-exposure environments. With a natural timber look in two on-trend colours, your retaining wall will look great and perform for decades.
Key Features
- Lightweight – Up to 10x lighter than concrete; each sleeper weighs under 15kg
- Strong & Structural – Engineered to replace timber, concrete, and some steel systems
- Durable – Withstands harsh conditions, including coastal environments
- Fast Installation – Up to 75% labour savings compared to concrete
- Zero Maintenance – Will never rust or rot
- Great Look – Timber-look finish available in Drift and Charcoal
- Versatile Posts – C Posts double as capping pieces
- Australian Made – Designed and engineered locally
- Compliant – Exceeds AS 4678:2002 Earth Retaining Structures
- Sustainable – Low-energy manufacturing with reduced carbon emissions
- Warranty – Backed by a 25-year product warranty
Sizes & Options
- Size: 100mm x 109mm
- Lengths: 1200mm, 1600mm, 2000mm and 2400mm
- Colours: Drift or Charcoal
- Suitable for retaining walls up to 1400mm high.
Why Choose Tuffpoly?
With Tuffpoly, you save time, money, and effort while building a retaining wall that’s strong, compliant, and built to last. From residential gardens to commercial projects, it’s the most cost-effective composite retaining system on the market.




















