This course contains the analysis, design and constructional principles of the building elements. In this context as a structural element roofs (terrace roofs, hipped, gable roofs, roof elements /post, beam, rafter, roof trusses, roof finishes, rain gutters and pipes, water and moisture insulation solutions); as completion elements roof lights, wall openings, doors and windows, banisters and rails, suspended ceilings, raised floors, etc.; finally as finishes floor, wall, ceiling surface finishes, surface joint finishes, expansion joints finishes, etc. are examined. In Construction in Interior Architecture course it is aimed to enable the students to gain necessary basic knowledge on designing and constructing the hardware of a building. Subjects are examined in terms of architectural and interior design principles.