90 degree corner
Build clean, professional-looking retaining walls with 90-degree corner steel posts in Sydney. Designed for turning concrete sleeper walls at right angles, these hot-dip galvanized posts offer excellent structural strength and corrosion resistance. Compatible with 75mm, 80mm, 100mm, and 150mm sleepers. Available for fast delivery throughout Sydney and regional NSW. Get a quote today!

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90 degree corner, Retaining Wall Steel Posts Sydney, Sydney
Price range: $52.80 through $264.00 inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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Engineered 90° Corner Posts for Concrete Sleeper Walls in Sydney
Our 90-degree corner steel posts are specifically designed to connect two sleeper walls at a right angle. Whether you’re building a U-shaped retaining wall, navigating boundaries, or wrapping around landscaping features, these posts make clean, secure 90° transitions simple and strong.
Constructed from heavy-duty steel and hot-dip galvanized to resist corrosion, these posts are ideal for outdoor environments and long-term structural use. Available in sizes to fit all common sleeper thicknesses, including 75mm, 80mm, 100mm, and 150mm.
Perfect for Complex Wall Layouts
90-degree corner posts eliminate the guesswork when joining walls at right angles. They ensure a flush, snug fit for both sleeper directions, preserving wall alignment and integrity. Commonly used in residential, commercial, and landscaping projects, they’re essential for designs that require precision and durability.
Why Choose Our Corner Posts?
- Designed to form strong and accurate 90° wall connections
- Hot-dip galvanized for maximum rust and weather resistance
- Compatible with 75mm to 150mm concrete sleepers
- Suitable for DIY and professional retaining wall builds
- Available in a variety of lengths to suit different wall heights
All corner posts are made to meet Australian engineering standards and provide lasting performance even in challenging site conditions.
Delivery and Support Across Sydney
We supply and deliver 90-degree corner posts throughout Sydney and regional NSW. Need help planning your post layout or sleeper fit? Our expert team is ready to assist with post selection, sleeper compatibility, and project quantities.
