Steel Plinth™

Why Use a GramLine SteelPlinth™?

A GramLine Steel Plinth™ has many unique advantages over timber plinths

• Steel Plinth™ is made from quality assured ColorSealed® prepainted steel for high durability and great performance
• Steel Plinth™ is attractive, has clean lines, matches the fence finish and colour, and will last a long time
• Steel Plinth™ won’t rot and is not affected by termites
• Unlike timber, Steel Plinth™ is not treated with toxic timber preservative chemicals that can leach into the ground and cause environmental problems
• And of course, Steel Plinth™ won’t twist and warp over time.

Steel Plinth™ uses include

• Weed wall applications
• Retaining wall applications
• Raised garden bed applications

Weed Wall Applications

• Steel Plinth™ slows down weeds, rubbish, dirt, grass and even snakes from entering your backyard or property from under the steel privacy fence.
• The Steel Plinth™ fits under the bottom SlimLine™ rail and inside the SmartPost® or SlimLine™ channel posts of your GramLine® steel privacy fence.
• Why have timber sleepers or toxic copper-chrome-arsenate treated timber logs when you can have a Steel Plinth™ that finishes and matches your steel privacy fence superbly?

Retaining Wall Applications

Steel Plinth™ can be built up as a retaining wall to a height of 600mm, which equates to 5 lapped plinths. The SmartPost® or SlimLine™ channel posts may need to be re-enforced and the depth plus diameter of the concrete may need to be increased, depending on the height of the wall to be constructed.
The GramLine® Steel Plinth™ Retaining Wall has been certified and tested by an independent Structural Engineering firm.
Click to view Plinth Retaining Wall Certification
If you require further technical advice please contact our sales team.
GramLine® Steel Plinth™ Retaining Walls should be backfilled with blue metal to create good water drainage.

Steel Plinth™ Retaining Wall Height Chart

Two Plinths Overlapped: 265mm High
A 50mm square post with a 1.6mm wall thickness should be used between each Plinth Frame

Three Plinths Overlapped: 375mm High
A 50mm square post with a 1.6mm wall thickness should be used between each Plinth Frame

Four Plinths Overlapped: 485mm High
A 50mm square post with a 1.6mm wall thickness should be used between each Plinth Frame

Five Plinths Overlapped: 595mm High
A 50mm square post with a 1.6mm wall thickness should be used between each Plinth Frame

Raised Garden Bed Applications

Steel Plinth™ can be built up as a raised garden bed. This is a great idea for home vegetable gardens. The raised beds create a natural barrier against weeds, they promote good drainage, and they improve the ease of planting, weeding, harvesting and maintaining the garden.

Steel Plinth™

Standard Sizes

• 155mm high x 2365mm long
• 155mm high x 2710mm long

Material Specifications

• Made from Quality Tested and Certified Prepainted Hi-Tensile ColorSealed® coated steel.
• Double Sided Colour.
• 0.8mm Base Metal Thickness.
• Available in the full GramL®ine Colour range.

Product Specification

Please download our Gramline® Installation Guide. & Plinth Retaining Wall Certification

Steel Plinth™

Steel Plinth™