150 Heavy Duty Series (QLD)
Our 150 Series heavy-duty steel posts are engineered for concrete sleeper retaining walls using 100mm thick sleepers. Suitable for walls over 1.2m high, these hot-dip galvanized steel posts are ideal for structural, load-bearing walls in Brisbane’s residential and commercial landscapes. Available in H-beam, C-channel, and corner post profiles with fast delivery across Queensland.
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150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane
Price range: $298.32 through $546.92 inc. GST Select options This product has multiple variants. The options may be chosen on the product page150 Heavy Duty Series (QLD), Brisbane, C Channel 150 (QLD), Retaining Wall Steel Posts Brisbane
Price range: $219.12 through $529.54 inc. GST Select options This product has multiple variants. The options may be chosen on the product page150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane
Original price was: $1,044.23.$949.30Current price is: $949.30. inc. GST Select options This product has multiple variants. The options may be chosen on the product page150 Heavy Duty Series (QLD), Brisbane, H Beam 150 (QLD), Retaining Wall Steel Posts Brisbane
Original price was: $1,401.18.$1,273.80Current price is: $1,273.80. inc. GST Select options This product has multiple variants. The options may be chosen on the product page
Showing all 4 results
150 Heavy-Duty Series Steel Posts for Concrete Sleeper Retaining Walls in Brisbane
Build stronger retaining walls with confidence using our 150mm Heavy-Duty Steel Post Series. These posts are made to suit 100mm thick concrete sleepers and are perfect for medium-to-tall walls that need to withstand high loads, soil pressure, and Queensland’s unpredictable climate.
Each post is hot-dip galvanized to resist corrosion, ensuring long-term durability whether you’re installing in a residential backyard, on sloped land, or in a commercial-grade retaining system.
Post Types Available in the 150 Series
Our Brisbane range includes: – **H-Beam (H-posts)** – For straight wall sections – **C-Channel (C-posts)** – For wall ends, terminations, and openings – **90° Corner Posts** – For L-shaped and right-angled wall layouts – **45° Corner Posts** – For angled or decorative retaining wall designs
Each profile is available in a range of lengths to suit various wall heights, including engineered and council-approved designs.
Why Choose 150mm Steel Posts from RWS Brisbane?
- Made from structural-grade steel for high load-bearing strength
- Hot-dip galvanized to withstand Brisbane’s wet and humid conditions
- Perfectly sized for 100mm thick concrete sleepers
- Suitable for walls over 1.2 metres and engineered applications
- Fast delivery to Brisbane Metro and regional QLD
These posts are widely used by landscapers, builders, and homeowners looking to build retaining walls that last.
Delivery Across Brisbane & Queensland
We supply 150 Series steel posts across Brisbane, including Ipswich, Logan, Caboolture, Redlands, Sunshine Coast, Gold Coast, and surrounding areas. Not sure what size or post type you need? Our team can help you choose the right combination for your sleeper thickness and wall height.
