Novgorod as a Hanseatic town took part in cross-cultural interaction in the Baltic region. The so-called Faceted Palace is a unique example of cooperation between German and local builders. The vaults generally receive little attention in the historiography on Brick Gothic architecture in the Baltics. This article introduces new data about the construction technique obtained during recent restoration of the Faceted Palace and proposes reconstruction of the vaults. Comparison with analogues in the Baltic region highlights the local interpretation of the complicated rib vaults and provides information on the origins of the builders.