R-bitumi 2,5kg/m2 1x1,2m 1,5mm

Attenuation layer: Polymer mixed bitumen
Bottom: pressure sensitive self-adhesive (protective silicon paper)
Applications: R-bituminous (2.6 kg) is designed to absorb body and frame sounds of metal, wood and composite structures.
R-bitumen (7.5 kg) is designed to absorb airborne noise in different structures
The average airborne sound insulation of 100-5000Hz:
-R bituminous 2.6 kg, 32.5 dB (A) (attached to 15mm birch plywood)
-R bituminous 7.5 kg 35.1 dB (A) (attached to 15mm birch plywood)
Self-extinguishing, FMVSS 302, ISO 3795