Abstract
Asbestos fibers can be released from asbestos containing cement sheets due to deterioration. The asbestos abatement technology by coating systems for deteriorated asbestos containing cement sheets has been developed. In this study, we measuring asbestos fiber density when performed for decorated cement shingles for dwelling roofs and corrugated slate sheets which revealed by outdoor revelation examination field of Building Research Institute (tukuba-shi, Ibaraki).
