Abstract
This paper is report of repair of plaster ceilings using the acrylic resin in Iwate Bank. From the standpoint of preserving cultural values in architectures and buildings, it is important to set the requirement to leave the original material and member if possible. In addition, it is also necessary to improve both design needs and safety. This repair method is characterized that does not change the design of the finished surface after the repair. In addition, workers can be flexibly change in repair methods and processes in accordance with the building condition.