Help prevent noise- the No. 1 distraction in the workplace.
- CAC rates a ceiling structure’s efficiency as a barrier to airborne sound intrusion between two closed rooms, over the speech
- It is an especially significant measure in providing acoustic privacy between adjacent work areas, where sound can penetrate
plenum spaces and carry to other spaces.
- CAC is stated as a minimum value; CAC minimum 25 is acceptable in open plan offices, while a rating of minimum 35 or 40 is
preferred for closed offices. (Reference: AS 2499:2000, ASTM E 1414-00a)