ISOLFON FF
Soundproofing Materials

ISOLFON FF

Closed-cell foam for impact-sound insulation in floating concrete floors. Cross-linked expanded polyethylene (≈28 kg/m³) in rolled sheet form with excellent deflection and rebound for cost-sensitive projects.

Key Features

  • Resists water and humidity absorption; resistant to fungi and bacteria
  • Compatible with concrete, plaster, lime and sand
  • Eco-friendly, free from HCFC and harmful chemicals — suitable for residential floating floors
  • Works under engineered laminate, timber, concrete screed with ceramic or marble tiles, and carpet

Applications

  • Residential floating floors
  • Impact noise insulation

Technical Specifications

Utilisation temperature
−40 °C to +90 °C
Thermal conductivity
0.035 – 0.04 kcal/mh°C
Water absorption (EN 12087:2002)
0.10% kg/m²
Compressive resistance (ISO 844)
25% > 0.03 MPa · 50% > 0.07 MPa · 75% > 0.18 MPa
ISOLFON-FF.5
ΔL’nw = 19 dB
ISOLFON-FF.10
ΔL’nw = 20 dB (ISO 140-8 & ISO 717-2)

Need help choosing the right solution? Our acoustic consultants will recommend, supply and install the right system for your project.

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