Special emphasis has been placed on the construction of joints, and the RSEA engineers made use of the Vermont flat bar and slot method to lay marble on the wall.
正堂內外牆的大理石，採用懸掛法安裝，可以使大理石不致在氣候潮濕時，因牆壁滲水而變質，這在國內也是首創。燈光設計亦見匠心