IRC2018R403.1.4

Minimum Depth - Frost Line

Original source

Plain-English Explanation

Section R403.1.4 covers minimum depth - frost line. Foundation requirements ensure your home has a stable, code-compliant base.

For the Contractor

Per IRC R403.1.4 (Minimum Depth - Frost Line): verify footing dimensions, reinforcement, and depth meet local frost depth requirements.