Sound Absorbing Products sound absorbing suspended ceilings sound absorbing walls for outside-application sound absorbing walls for indoors sound absorbing wall claddings sound absorbing materials Noise Control Products sound enclosures and cabins silencers throttle-type silencers vibration isolators materials for damping/insulating structure-borne sound Low-Noise Tools blowing nozzles grinding wheels cut-off wheels / saw blades cutters / planers / moulders mallets / dead-blow hammers Sound-Proof Doors and Windows sound-proof gates, doors, curtains sound-proof windows