抄録
The problem in renovation work is that several works happen on the same time, which reduces workability and produces lots of construction wastes in interior and installation work. The purposes of this research are as follows ; 1. Find out the problem in renovation process, while dwellers stay at their house. 2. Find out the problem in reconstruction of variable infill. 3. Examine the possibility of reusing the variable infill materials. The results are as follows ; Working process and working hour are important elements to minimize the construction period when dwellers are staying at their house. The non-modular parts of the variable infill materials are difficult to reuse. It is examined that most variable infill materials, except flooring, have possibility to reuse at renovation work.