90 Corner
90 Corner Galvanised Steel Corner Joiner Post (Fits 75-80mm)
$73.35$244.50 + GST Select options

90 Corner Galvanised Steel Corner Joiner Post (Fits 75-80mm)

$73.35$244.50 + GST

90 Degree Corner Joiner for 80mm Sleepers, prices starting from $73.35

(1 customer review)

Quick Delivery

Order this product today and receive it in just 2-3 days!


Purchase Order or Card Payment

You will have the option to purchase this via card payment or Purchase Order. If you have any questions, call us at 0485 856 986.

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The 90 Degree Channel Galvanised Steel Corner Joiner Post is an essential component for creating right angle deviations in your concrete sleeper retaining wall. This product is manufactured by welding two 100 PFC (100mm Parallel Flange Channel) and is suitable for all of our 80mm thick concrete sleepers. Available in lengths to accommodate all of our 200mm high concrete sleepers, this corner joiner is made of hot-rolled steel and hot-dipped galvanised for long-lasting protection against weather, fire and corrosion.

Unlike timber, this product will not fade, rot, warp or be subject to termites, providing you with a safe and durable solution for your retaining wall needs. Furthermore, this corner joiner can be painted to suit the surrounding colour scheme, ensuring that it fits in perfectly with the design of your retaining wall.

With prices starting from $73.35, Retaining Wall Supplies offers a range of 90 Degree Corner Joiner Posts for 80mm Sleepers to suit your retaining wall needs. Our checkout process is simple and secure, accepting card payments over the phone or via online checkout. We also accept purchase orders for your convenience.

Additional information

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Why Retaining Wall Supplies?

Convenient Collection & Delivery options

Pickup and Delivery

We understand the importance of ease and convenience and that’s why we offer multiple collection points from our warehouses in Melbourne, Victoria, as well as delivery options to Melbourne and regional areas.

Collection Points

  • 11 Kitchen Rd, Dandenong South VIC 3175
  • 72 Officer South Rd, Officer VIC 3809
  • Steel Warehouses in Campbellfield 3061, Bayswater 3153, Hallam 3803 & Cranbourne West 3977

Delivery Options

  • Melbourne and regional areas
  • Safe and efficient delivery of products to your site

Our dedicated team is always here to help and make your experience with us as smooth as possible. Contact us today to learn more.

Get help in building your wall

Recommended Retaining Wall Installers

RWS can recommend experienced and reliable installers to ensure your retaining wall is built to the highest standard.

  • On-site estimates: The team provides an on-site estimate for your retaining wall project, ensuring accuracy and a seamless installation process.
  • Expert installers: Our recommended installers have years of experience and are dedicated to building your retaining wall with precision and quality.
  • Customer satisfaction: Our team follows up on completion to ensure customer satisfaction with the final product.

Recent Retaining Wall Projects​

Check out some of the recent retaining wall projects, built with our products and recommended installers.


Any questions? Just give us a call.

1 review for 90 Corner Galvanised Steel Corner Joiner Post (Fits 75-80mm)

  1. Mary F.

    These corner posts are exactly what I was looking for in a retaining wall solution. They are strong, durable, and they look great in my backyard. The installation process was straightforward, and I appreciate the quality of the steel. I would highly recommend these corner posts to anyone looking for a reliable and sturdy retaining wall solution.

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