SuperPlinth 3160x185x40mm

SKU N465

$68.00 each

Available on Order

Available on back-order

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Please note Whilst all care has been taken to provide you with a good indication of colour, you should always sight product samples before use, due to natural variations in Colours & Sizes. Products may vary from image provided.

SKU N465 Category
  • num_m2

Description

SuperPlinth Composite Retaining Wall Plinth

Achieve a cleaner, more professional retaining wall finish with SuperPlinth, the purpose-designed component used to fill gaps beneath sleepers and create a consistent, finished base. Designed to integrate seamlessly with the SuperSleeper system, SuperPlinth improves both the appearance and performance of your retaining wall.

Manufactured from durable fibre-reinforced polymer (FRP), SuperPlinth is lightweight, easy to handle and built to withstand harsh outdoor conditions without rotting, cracking or deteriorating over time.

Available in two sizes — 2380 x 185 x 40mm and 3160 x 185 x 40mm, allowing you to suit different wall lengths while reducing joins and maintaining a clean, continuous finish.


Key Features & Benefits

Creates a clean, level base — Fills gaps under sleepers to deliver a uniform and professional finish.

Improves wall appearance — Eliminates uneven gaps for a tidy, consistent look across the entire wall.

Lightweight and easy to install — Simple to position and adjust during installation.

Durable composite construction — Made from FRP materials for long-term performance in outdoor environments.

Low maintenance solution — Will not rot, rust or degrade over time.


What It’s Used For

Gap Filling Under Sleepers — Ideal for situations where ground levels vary, helping to close gaps at the base of the wall.

Finishing Retaining Walls — Provides a clean transition between the wall and ground level.

Improving Wall Consistency — Ensures a more uniform and visually appealing result, especially on uneven sites.


Where to Use

Retaining Wall Base Sections — Installed at the bottom of the wall to improve finish and alignment.

Uneven Ground Conditions — Perfect for sites where levels are inconsistent or require adjustment.

Residential & Commercial Landscaping — Suitable for both DIY projects and professional installations.


Practical Information

SuperPlinth is designed to be used as part of the complete SuperSleeper retaining wall system, working alongside sleepers, posts and accessories to achieve a consistent and professional result.

While not always required, SuperPlinth is highly recommended where gaps beneath sleepers need to be closed or where a cleaner finish is desired.

Correct installation helps improve both the visual outcome and overall performance of the retaining wall system.

Additional information

Weight 8.19 kg
Dimensions 3160 × 185 × 40 mm
Supplier

Suitable for

Qty per pallet

Downloads

DIY Videos

Installation Guide

Step 1: Gather your tools and materials

Below are the tools and materials you’ll need to complete this project.

Safety equipment (safety glasses, protective gear, work boots)
Measuring tape
Auger
Geofabric
Concrete
Sleepers + posts
Lighting (optional)

Step 2: Make a plan

Before you start, plan out the location, length and height of your retaining wall. Plan where the foundation/Joiner holes will be and how deep they will need to be, depending on the size of your wall and location of your wall. Ensure you leave space at the back for drainage.

Step 3: Clear your worksite

Clear all topsoil and ensure the proposed landscape is clear and level prior to installation of the retaining wall.

Step 4: Foundation/joiner holes

Mark and dig the holes as planned in step 2. You can use methods including excavation and augers if available. Place posts in the foundations holes ready for placement of concrete. Ensure the posts are level.

Step 5: Concrete

Place the bottom sleeper on to the correct level. Make and pour concrete into foundation/joiner holes, ensuring concrete covers the entirety of the post including the bottom of the sleeper. Leave concrete to cure.

Step 6: Sleepers

Slot in the Super Sleepers. Ensure you have accurate drainage. Options for this include insertion of an agricultural pipe to the correct gradients.

Step 7: Geofabric

Place geofabric behind the Super Sleeper wall.

Step 8: Enjoy!

Enjoy your Super Sleeper wall and personalise it to make it your own. Our suggestion to bring some light to your life is to install recessed lights into the sleeper and run a cable along the sleeper.

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