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PROMASOUND® 4+2

PROMASOUND® 4+2 is made of a physically crosslinked polyolefin foam and an acoustic polyester felt. 

PROMASOUND® 4+2 is an high efficient acoustic underlay to limit the transmission of impact and shock noises between different floors. It is lay under a floating screed (approximately 5 cm thick).

ADVANTAGES

  • Reduce impact and airborne noise
  • Quick and easy installation
  • Low thermal transmission
  • Low dynamic stiffness
  • Low creeping

FIELD OF APPLICATION

  • Acoustic Floor Insulation Under Floating Screed