2011.4-2012.3 Yearbook of NILIM
Research Summary


Building Department

Reference Number Y110502
Title Research of rain water infiltration factor and prevention countermeasure in small-scale building
Start-End Date 2009.4-2012.3
Division Structural Standard Division,
Housing Stock Division, Housing Department
Author Research Coordinator for Advanced Building Technology, Akiyoshi MUKAI
Head, Tatsuya AZUHATA
Senior Researcher, Masashi MIYAMURA
Senior Researcher, Kazuo NISHIDA
Summary We carried out a construction situation investigation and a waterproofing performance test to investigate the factor of the rain leak of the timber-framed house. It became clear by the result of the survey that there is much unsuitable construction. Moreover, the watering experiment proved that unsuitable construction causes leakage of water.