Framing & StructuralQuestion 405 of 700
Guards are required on a residential deck when the walking surface is located more than what height above the grade or surface below?
a.12 inches
b.18 inches
c.24 inches
d.30 inches
Explanation
A guard is required where the deck walking surface is more than 30 inches above the grade or floor below, measured within a set horizontal distance. 12, 18, and 24 inches are all below the threshold that triggers a required guard.
Law Reference: 2025 CA Residential Code §R507.9Practice all 700 questions free — no signup required.
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