Crafted for serious installers and high-performance builds, Deaf Bonce 4.0 delivers exceptional sound insulation and unmatched durability. Its added thickness provides optimal resistance to external vibrations and temperature fluctuations.

• Dimensions: 29.5 x 18.5 inches (8 sheets per box)

• Coverage Area: 30.3 sq ft

• Thickness: 4 mm (157.48 mil)

• Package Weight: 38.3 lbs

Ideal for SPL builds and audiophile-grade systems requiring maximum acoustic isolation and resonance control.