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

Retaining Wall Soil Types — How Clay, Sand and Rock Affect Your Wall

A practical guide to how soil types affect retaining wall design in Australia — covering clay, sandy loam, rock, and fill soils, and what each means for post selection, drainage, footing depth, and engineering requirements.

May 12, 2026
5 min read

Retaining Wall Advice

Retaining Wall Soil Types — How Clay, Sand and Rock Affect Your Wall

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