This solution is one of the most effective solutions on the market today to drastically improve on both impact and airborne noise. Current flooring will be lifted to expose cavity between joists. A 60Kg Acoustic Mineral wool will be friction fitted between joist. The Defender35 consists of a recycled Low Resonance Acoustic Chip (LRAC) foam used has excellent impact improvement characteristics and superior stability within a single layer. Final layer will consist of either dB Boards or Soundlay Plus Triple barrier mat that has proved to be an excellent product for the reduction of Impact Noise. Please note that floor height increase will depend on thickness of current floorboards. For Upgrades to this system – Please see upgrade tab above