• Every opening in the fire-resistant rated construction shall be protected to limit the spread of fire and to restrict the movement of smoke from one side of the fire-resistant rated construction to the other. • Noncombustible material shall be used.
• Every opening in the fire-resistant ratedconstruction shall be protected to limit thespread of fire and to restrict the movementof smoke from one side of the fire-resistantrated construction to the other.• Noncombustible material shall be used.