The acoustic louvers are constructed of high quality electrogalvanised steel parts and painted in baked white enamel finish while the perforated parts shall be in mill finish. The louver frames are constructed of minimum 1.0mm thick steel sheet cold-formed into channels to give it rigidity. The blades are constructed of three composite components which include a top skin of minimum 0.7mm thick steel sheet cold-formed to give it rigidity, a layer of 0.5mm thick perforated steel sheet. Blades are fastened to the vertical frame at each end.

The acoustic louver may be supplied in single bank and double bank louvers depending on the noise reduction required.