Airborne and Impact Noise. Will raise floor by 1cm. Excisting floorboards are lifted to expose joists. A shock absorbing hanger is fitted over joist and floor boards are fixed directly into hanger. Used with Mineral wool and 19mm acoustic plasterboard.

Floor Height Gain: 7mm
Typical Airborne Uplift*: 19db
Typical Impact Uplift*: 20db

*This is an estimated reduction. The result will depend on the existing structure.