IAC, global noise control specialist, is offering a comprehensive Acoustic Reference Tool on a FREE CD. With over 50 years’ experience and with many noise control ‘firsts’ to our name, IAC is a leading authority in the field. We are now Europe’s largest and preferred supplier of acoustic solutions for architectural and construction applications. We design and supply acoustic doors and moveable partitions, acoustic windows and ceilings; Varitone™ sound absorptive wall panels, and floating floors. Our Quiet-Duct silencers and Noishield™ acoustic louvres provide sound attenuation for air conditioning systems and plant rooms, while noise from machinery is contained by acoustic barriers.