Acoustic Treatment for GENERATOR Rooms / Compressor Room / Engine Test Cell. The Noise is control by providing Acoustic lining on walls & ceiling, acoustical material will be 48/64kg/m3 rockwool, tissue fiber laminated and finally covered with GI / Al. perforated sheet OR Clip-in tile pre coated perforated tiles give very good aesthetic look . All ordinary doors / shutters are to be converted in to sound proof doors. The proper Air ventilation system is designed to allow the maximum air changes so the engine does not overheat. Axial flow fan of required size & number provided for proper Air ventilation. Acoustic louvers, splitter & Insulated ducts are provided to suppress the noise where required.