Highmat is the latest high performance acoustic product from Isolgomma. It have been developed to reach extremely high insulation on floors with a floating screed. Highmat is a combination of rubber bearing pads and polyester fiber filler assembled together in easy install panels, positioned on your base floor before casting the floating screed.

The Highmat system is the ideal choice to obtain a first class acoustic performance on all floor types and it is particularly indicated for superior acoustic performance, for both impact and airborne sound insulation.


  • High acoustic insulation (up to ΔLw 36dB)
  • Acoustic performance levels are constant over time
  • No acoustic degradation under compression
  • 20mm and 30mm thick
  • Durable material
  • Quick and easy installation
  • Ecofriendly – made from recycled material

Highmat is perfect for insulation in the following applications

  • Suitable for gymnasiums
  • Floors with floating screeds
  • Floors with exposed ceiling joists
  • High thickness screeds
  • Vibration insulation of plant rooms

Description Unit Highmat 20 Highmat 30
Thickness mm 20 30
Panel Dimensions mm 600mm x 1200mm
Superficial Mass kg/m² 1.64 1.89
Compression Resistance kPa 4.83
Impact Sound Reduction – ΔLw dB 34 36

Acoustic Performance calculated according to EN 10140