Outwest Sleepers Yard
Sleepers & Steel From One Supplier
Concrete sleeper finishes and galvanised retaining wall steel at our Maddingley supply base. Confirm current sections, lengths and availability with your order.
Enquire About Materials ↗Shop retaining wall materials
Galvanised posts, channels and corners for your approved retaining wall design. Browse listed 100UC and 100PFC options, or request specified larger sections and lengths.
Prices include GST. Order online for pickup by arrangement; delivery is quoted before ordering.

Prices include GST. Order online for pickup by arrangement; delivery is quoted before ordering.
Get a materials quote ↗
Plan one coordinated order
Send your approved plans or materials schedule so we can check the product mix, quantities, availability and transport arrangements. Installation and engineering are arranged separately.
Outwest Sleepers supplies galvanised retaining wall steel posts, channels and corner sections for concrete and timber sleeper retaining walls.
Browse the listed 100UC14.8 posts, 100PFC channels and 90° and 45° corner sections below. For 150UB, 150UC, 150PFC or special-order 200UC sections, contact us to confirm the required section, length, availability and price.
Select the section and length specified in the approved wall design. Final steel selection depends on wall loading, soil conditions, embedment, fence loads and project-specific engineering requirements.
Steel can be ordered with concrete sleepers and retaining wall accessories. Delivery across Victoria is generally available within 2–3 business days for metro areas and 2–5 business days for regional areas, subject to stock availability and site access.
Prices include GST. Buy online for pickup by prior arrangement from Maddingley. For bulk orders or delivery, request a materials and freight quote before ordering with your quantities, postcode and site-access details. Call 0400 032 163 to confirm availability or collection arrangements.

Shop galvanised retaining wall steel for concrete sleeper walls, including 100UC, 150UB and 150UC posts, channels and corner sections. 200UC steel is available by special order.
Browse the available sections, lengths and prices below. Final steel selection, post spacing and embedment must follow the project engineering and account for soil conditions, surcharge and fence loads.
Steel can be supplied with concrete sleepers and retaining wall accessories. Delivery across Victoria can be coordinated for residential, trade and commercial orders.

Select the steel section, post spacing and embedment specified for the retaining wall design. Wall height alone does not determine the correct steel.
Selection depends on sleeper span, retained height, soil conditions, surcharge loading, fencing and engineering requirements. Galvanised 100UC, 150UB and 150UC sections are commonly supplied, with heavier 200UC sections available by special order.
Send the approved plans and steel schedule to confirm product availability, quantities and supply timing.
Helpful resources: Retaining Wall Steel Selection Guide | When Engineering Is Required for Retaining Walls in Victoria | Surcharge Loading Explained for Retaining Walls

Match the steel section and post spacing to the concrete sleeper dimensions and approved wall design.
Outwest Sleepers can coordinate reinforced concrete sleepers, drainage products, waterproofing membrane, geofabric and fence plates with your steel order. View our retaining wall accessories.
Material quantities and delivery arrangements can be confirmed from your project plans.

Product Information
View our retaining wall materials and supplier mill test certificates for the listed steel batches. For project orders, ask us to confirm the documentation applicable to the supplied material.
Outwest Sleepers Yard
Concrete sleeper finishes and galvanised retaining wall steel at our Maddingley supply base. Confirm current sections, lengths and availability with your order.
Enquire About Materials ↗
Grovedale, Geelong
Retaining wall steel supplied by Outwest Sleepers for Civilete’s Grovedale project. Steel posts are shown along the boundary during construction.
Explore Geelong Supply ↗Supplier Mill Test Certificate · June 2023
Certificate 230611MTC lists 100UC14.8, grade G300, heat S52889, with chemical and mechanical results and a stated average zinc coating of 85 μm.
This document covers the listed batch; confirm its applicability to your order.
View 100UC Certificate (PDF) ↗Supplier Mill Test Certificate · July 2023
Certificate 230717MTC lists 150UC23.4, grade Q355, heat Q21569, with chemical and mechanical results and a stated average zinc coating of 85 μm.
This document covers the listed batch; confirm its applicability to your order.
View 150UC Certificate (PDF) ↗Before You Order
Use your approved engineering or designer’s steel schedule. Selection depends on loads, ground conditions, spacing and connections; wall height alone is insufficient.
Yes. Include sleeper lengths and quantities, steel sections and post lengths, corners and accessories in your materials schedule.
Freight depends on the materials, load size, destination, access and unloading arrangements. Request a combined materials and freight quote before placing a delivery order.
Pickup is by prior arrangement from 16 Hillside Street, Maddingley VIC 3340. Call 0400 032 163 before travelling to confirm readiness, collection time and loading arrangements.