The finish condition of concrete surface is most important factor for architectural concrete with wood grain pattern. However, currently the construction method has no choice but to depend on rule of thumb by experienced constructors. Therefore, the purpose of this study to organize the necessary knowledge to academic and technical, in order to satisfy design requirements about finish condition of wood grain concrete. In this paper, carry out questionnaire survey targeted formwork contractors and showed results about formwork materials used and processing method of sheathing, in order to clearly actual state of formwork used for wood grain concrete.
