Under Tile & Timber Sound Reduction Underlay. Acoustic Materials & Services . Product: Noise Barriers, Silencers, Underlay. Service: Advice, Construction, Conversions, Installation, Sound Proofing. Material: Cement, Insulation, Rubber, Timber. Place: Decks, Expansion Joints, Extensions, Floors. Type: Architectural, Commercial, Industrial. Hours of Operation: Flexible Hours. Service Option: By Appointment, Delivery, Free Consultations. Assurance: Australian Made, BCA, Certified, Guaranteed, Standards Australia