Alternative Wood subtitute material or known as conwood material Is kind of subtitute wood meterial that has benefits in some aspects just than wood generally Sushi tei Is kind of famous Japanese restaurant. The building concept of this restaurant applied modern Japan concept. Which Is there are a lot of wood elements to be used in the building. Conwood material application as the solution to replace wood for the interior and exterior of the building Is the reason of choosing this case to be explained in architecture seminar explanation. The purpose of this seminar Is to know and understand the aesthetic and expression of room that produced by material application of conwood on the building interior and exterior. Based on application process of colour, texture, as well as exposure to support the aesthetic of the material