Construction Industry Development Board (CIDB) has been actively promoting the use of Industrialised Building System (IBS) in Malaysian Construction Industry since 1998. Unfortunately, previous study was shown the use of IBS for building project in Malaysia only stands at 10% out of 50% as forecasted by CIDB in 2006. This research project explored the acceptance level of the current IBS implementation and existing problems faced by construction industry practitioners. It also identified suggestions to improve IBS implementation in Malaysia. The methods adopted for this study included interview and questionnaire survey. The study determined the level of IBS acceptance and awareness among Malaysian construction industry and analyzed root and frequent problems faced by the practitioners while implementing IBS. Based on the information gained, strategies to improve IBS implementation was suggested.