150 Heavy Duty Steel Series

The 150 Heavy Duty Series, which includes the 150PFC, the 150UC37, the 150UC23, the 150UC30, and more, is a top-tier solution for those needing strong and durable retaining wall steel posts. Engineered to meet the highest standards, these galvanised posts are ideal for large-scale retaining walls, boundary structures, and commercial applications where stability and strength are critical.

The 150 heavy duty steel posts series are designed specifically for use with 100mm thick concrete sleepers and are certified for retaining walls up to 4.5 metres in height (engineer approval required).

Browse our full range of steel posts today or call us on 0485 856 986 to get started on your retaining wall project.

150 Heavy Duty Steel Series posts for concrete sleeper retaining walls

150 Heavy Duty Series in Melbourne

If you’re building a high-load or large-scale retaining wall in Melbourne, our 150 Heavy Duty Steel Post Series is the trusted choice. Designed to pair with 100mm concrete sleepers, these galvanised posts offer unmatched strength and stability for walls up to 4.5 metres (with engineer certification).

Made from premium materials and compliant with Australian standards, the 150 Series is ideal for demanding residential and commercial projects that require long-lasting structural performance.

Installation Services for 150 Heavy Duty Series in Melbourne

Retaining Wall Supplies works with trusted installers across Melbourne to help simplify your retaining wall build.

We know heavy-duty wall projects can be complex, that’s why we offer installation support, layout advice, and connections to qualified trades who can complete your project safely and efficiently.

Get in touch to schedule a free consultation, or call us on 0485 856 986 to discuss your site requirements.

Engineer-Certified 150 Series Steel Posts for 100mm Sleepers

When you choose Retaining Wall Supplies, you’re investing in retaining wall materials that meet the highest standards. Our 150 Heavy Duty Series steel posts are certified by engineers for use with 100mm concrete sleepers, ensuring they deliver long-term strength, compliance, and structural safety — even for walls up to 4.5 metres (engineer-approved).

We’re a proudly Australian, family-owned supplier focused on quality, durability, and local support. Explore our full 150 Series range and build with confidence.