Description
Explorer Galvanised H Post 100mm
Build a strong, reliable retaining wall with the Explorer Galvanised H Post 100mm. Designed to securely support reinforced concrete retaining wall sleepers and panels, these heavy-duty galvanised steel H Posts provide the structural strength required for long-lasting retaining wall installations.
Manufactured from hot-dip galvanised steel for superior corrosion resistance, Explorer H Posts are suitable for residential and commercial retaining wall projects. Their H-shaped profile allows sleepers or panels to slide into place from either side, making installation straightforward while delivering a clean, professional finish.
Available in a range of lengths to suit different retaining wall heights, the Explorer 100mm H Post is designed for use with 75mm concrete sleepers and retaining wall panels.
Available Sizes
The 100mm Explorer H Post is available in the following lengths:
| Post Length | Typical Wall Height* |
|---|---|
| 1200mm | Up to 600mm |
| 1600mm | Up to 800mm |
| 1800mm | Up to 1000mm |
| 2000mm | Up to 1000mm |
| 2200mm | Up to 1200mm |
| 2400mm | Up to 1200mm |
| 2600mm | Up to 1400mm |
| 2800mm | Up to 1400mm |
| 3000mm | Up to 1600mm |
| 3400mm | Up to 1800mm |
| 3600mm | Up to 2000mm |
*Wall heights are a general guide only and assume correct installation. Engineering may be required depending on site conditions, soil type and surcharge loads.
Key Features & Benefits
Heavy-Duty Galvanised Steel
Manufactured from hot-dip galvanised steel to provide excellent corrosion resistance and long-term durability in Australian conditions.
H Profile Design
The H-shaped profile securely accepts retaining wall sleepers or panels from both sides, making it ideal for straight retaining wall runs and join locations.
Designed for 75mm Sleepers & Panels
Compatible with Explorer 75mm concrete sleepers and 75mm retaining wall panels, creating a complete retaining wall system.
Wide Range of Lengths
Available in multiple lengths to suit retaining walls from 600mm up to approximately 2000mm high, depending on your project requirements.
Professional Finish
Provides a strong, neat connection between sleepers while delivering a clean, modern retaining wall appearance.
Perfect For
The Explorer 100mm H Post is ideal for:
- Residential retaining walls
- Commercial retaining walls
- Garden terraces
- Boundary walls
- Feature landscape walls
- Retaining wall repairs
- New retaining wall construction
Why Choose a Galvanised H Post?
Galvanised H Posts form the structural backbone of a retaining wall system. Designed to securely support concrete sleepers or retaining wall panels, they provide exceptional strength while resisting corrosion for years of reliable performance.
Choosing the correct post length is essential for ensuring your retaining wall is built safely and performs as intended.
Product Specifications
Product: Galvanised H Post
Profile: H Post (Joiner Post)
Width: 100mm
Material: Hot-Dip Galvanised Steel
Compatible With: 75mm Concrete Sleepers & Retaining Wall Panels
Application: Straight retaining wall joins
Installation Information
Explorer H Posts are designed to be concreted into the ground and installed in accordance with accepted retaining wall construction practices.
Post depth, spacing and wall height requirements will vary depending on soil conditions, drainage and loading. Engineering certification may be required for taller retaining walls or walls supporting additional loads.
Practical Information
Sold individually.
Available in multiple lengths.
Available for pickup or delivery from selected Nuway Landscape Supplies stores.
💡 Nuway Tip
Choosing the correct post is just as important as selecting the right sleeper or panel.
The 100mm Explorer H Post is designed for 75mm retaining wall sleepers and panels and is available in a range of lengths to suit different wall heights.
For a complete retaining wall system, we also recommend:
- Explorer Concrete Sleepers or Retaining Wall Panels
- Galvanised Corner & End Posts
- Drainage Gravel
- Agricultural (Ag) Pipe
- Geotextile Drainage Fabric
- Concrete Mix
- Suitable Backfill Material
Not sure which post length you need? Our experienced team can help you select the correct post based on your wall height, sleeper size and site conditions, ensuring you have everything required to build a retaining wall that will perform for years to come.








