All washed up. Stacks of hypocaust bricks discovered throughout the palace attest that the building was converted into an immense bathhouse after Agrippa II died in c. 93 C.E. and the city lost its royal status. These bricks supported the false floor of the bath’s caldarium, or hot room. Heat and steam from an adjoining furnace room circulated among the tightly spaced columns to heat the room above.