The acceptable vault construction of insulated doors has a minimum reinforced concrete wall, floor, and ceiling of:
The acceptable vault construction of insulated doors has a minimum reinforced concrete wall, floor, and ceiling of:
The acceptable vault construction of insulated doors typically requires a minimum reinforced concrete wall, floor, and ceiling of 4 feet. This specification ensures adequate security and insulation from external factors.
should it be 6 feet or inches?
Feet, it is a Vault