USR+ Ultimate Sound Reduction Plus - Helps reduce noise transmission (3.5mm).

The Acoustica range of dense rubber underlays is excellent at reducing noise, thermal insulation, and absorbing small floor imperfections.

• Ultimate sound reduction
• Ultra High Density Plus 900kg/m3
• Impact sound reduction 21dB
• Thermal insulation TOG 0.39
• Built-in moisture barrier
• Absorbs minor floor imperfections
• Suitable for underfloor heating

Spec:

• Core material Ultra high-density sponge rubber
• Density (kg/m3) 900
• Top surface Metallised gold film moisture barrier
• Nominal thickness (mm) 3.50
• Roll weight (kg) 25.00

ACOUSTICA - Gold Excel underlay packaging:

• 1x roll / box - 1.00m x 10.00m = 10.00m² coverage

Product performance:

• Breaking strength - length / width (N) >290.0 / >160.0
• Loss in thickness after long term static loading (%) <2.5
• Loss in thickness after dynamic loading (%) <10.0
• Work of compression after dynamic loading (J/m2) >40
• Retained work of compression (%) >70
• Compression after dynamic loading (mm) 0.92
• Resistance to cracking Pass
• Assessment of wear No negative effect