Name: Retaining Walls Direct
Address: 1 Pillapai Street, Charlestown, NSW, 2290, AU
Telephone: 1800 880 124
Price range: $$

What Size Concrete Sleepers Do I Need? 75mm vs 100mm Guide

A practical guide to choosing between 75mm and 100mm concrete sleepers for retaining walls in Australia — covering wall height, soil conditions, surcharge loads, and when each thickness is the right specification.

May 12, 2026
4 min read

Retaining Wall Advice

What Size Concrete Sleepers Do I Need? 75mm vs 100mm Guide

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