Noise Generated by Raindrop on Metal Deck Roof Profiles: It's Effect towards People Activities

Noise generated by rain fall on un-insulated metal deck roofs can cause serious acoustic problems in buildings. This paper reports the outcomes of an effect of sound created by rain fall on un-insulated metal deck roofs towards people's activities. The measurement and questionnaire distribution was done at selected UiTM buildings that have been built using un-insulated metal deck roofs. It was found that the occupants facing inconveniences condition that can disturb their activities. The comfort noise level that accepted by the human being is between 55 to 60 dB. Therefore, this study substantiates the notion that rain noise can contribute to negative effects in people's lives during rain.