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How Far Below Grade Should a Retaining Wall Be?

Marcus Vance • • 3 min read
How Far Below Grade Should a Retaining Wall Be?
★ Key Takeaways

The General Rule of Thumb Is to Bury About One-Eighth of the Height of the Wall. for Example, If Your Wall Will Be Three Feet (36 Inches) Tall, the First Course of Blocks Should Start Five Inches Below Soil Level. the Gravel Base Should Start Three Inches Below This.

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Direct Answer • Key Takeaway

The General Rule of Thumb Is to Bury About One-Eighth of the Height of the Wall. for Example, If Your Wall Will Be Three Feet (36 Inches) Tall, the First Course of Blocks Should Start Five Inches Below Soil Level. the Gravel Base Should Start Three Inches Below This.

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Marcus Vance
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Marcus Vance

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.