JCW Noise Blocker Ceiling Panels are designed for use in suspended ceiling grid systems to minimise room to room noise transfer. Installed in perforated metal suspended ceiling systems, the Panels can be used in industrial, retail and commercial projects in areas such as railway terminals, airport terminals and bus stations to reduce excess noise. These Panels are available in the following thicknesses: Noise Blocker Panels reduce room to room sound transfer by up to 24dB so these 16mm panels are ideal for commercial offices where noise from services in the ceiling space can be minimised. The Panels are made up of 6mm of Class O foam which is laminated to acoustic plasterboard. Cost effective and CE marked.