Impact Sound Protection

Designed to reduce impact noise such as footsteps and vibrations in flooring systems.

Products

ISP AEM

NBR-based floor underlay

ISP AXM

XPE based floor underlay

ISP ARM

Recycled rubber floor underlay

Technical Data Table
Standard Specification
Properties ISP AEM ISP AXM ARM
Density (kg/m³) 60-85 25-35 700-750
Thermal Conductivity 0.034 W/m-K 0.033 W/m-K 0.110 W/m-K
Temperature Range -80°C to +110°C -80°C to +105°C -80°C to +110°C
Water Absorption Low Low Extremely Low
Fire reaction Yes Yes Yes
Noise Reduction Coefficient 400 kg/m³ 400 kg/m³ 3,000 kg/m³
Moisture Resistance Excellent Excellent Excellent
Mold Resistance 60 MN/m³ 65 MN/m³ 75 MN/m³
* 3mm thick
∆IIC Impact Insulation Class Performance Without False Ceiling
Finish Type Flooring System Thickness of
Sountech
ISP AEM ISP AXM ISP ARM
Ceramic Tiles 140mm Slab
80mm Screed
3mm 26dB 25dB 22dB
Ceramic Tiles 140mm Slab
80mm Screed
5mm 26dB 25dB 23dB
Vinyl 140mm Slab
80mm Screed
3mm 26dB 26dB 25dB
Vinyl 140mm Slab
80mm Screed
5mm 26dB 26dB 26dB
Bare Slab 140mm Slab
10mm Screed
3mm 33dB 33dB 32dB
Bare Slab 140mm Slab
10mm Screed
5mm 33dB 33dB 33dB

Performance

Soundtech Catalog (2026)

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