Foundation Depth Calculator
Calculate minimum foundation depth from local frost line per IRC.
Minimum Foundation Depth
48.0 in
In Feet
4.00 ft
Frost Line Depth
42 in
Climate Zone
Moderate
Standard
IRC R403.1.4 — below frost line + 6"
Calculate minimum foundation depth from local frost line per IRC.
Minimum Foundation Depth
48.0 in
In Feet
4.00 ft
Frost Line Depth
42 in
Climate Zone
Moderate
Standard
IRC R403.1.4 — below frost line + 6"