Retaining Wall 20m Long 1.5m High – Concrete

Last updated: 2026-06-23

Retaining Wall 20m Long 1.5m High – Concrete. Calculate concrete and steel for a 20m long, 1.5m high retaining wall. Enter your values in the form and get instant results, including a full materials breakdown and an adjustable wastage allowance.

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Written and reviewed by the CalcToWork editorial team. Last updated: 2026-06-23.