Download full specification sheets, view acoustic ratings, and access all the technical information you need to spec SoftStep with confidence.
Full technical specifications for each underlay in our range. PDF format, ready for your project files.
Fire rating and thermal conductivity test reports from AWTA Product Testing for the 8mm residential underlay.
Fire rating and thermal conductivity test reports from AWTA Product Testing for the 10mm all-rounder underlay.
Fire rating and thermal conductivity test reports from AWTA Product Testing for the 11mm premium underlay.
Side-by-side specifications across the full SoftStep range.
| Specification | SoftStep 8mm | SoftStep 10mm | SoftStep 11mm |
|---|---|---|---|
| Thickness | 8mm | 10mm | 11mm |
| Mass per Unit Area | 700 g/m² | 800 g/m² | 990 g/m² |
| Roll Size | 15 m² | 15 m² | 10 m² |
| Density | 70 kg/m³ | 80 kg/m³ | 90 kg/m³ |
| Thermal Conductivity | 0.0343 W/m.K | 0.0349 W/m.K | 0.0363–0.0364 W/m.K |
| Thermal Resistance | 0.23 m²K/W | 0.28 m²K/W | 0.31–0.32 m²K/W |
| Fire Rating (CHF) | ≤1.1 kW/m² | ≤1.1 kW/m² | ≤1.1 kW/m² |
| Composition | Re-processed sponge, scrim with mesh | Re-processed sponge, scrim with mesh | Re-processed sponge, scrim with mesh |
| Application | Residential | Res / Commercial | Premium / Commercial |
| Comfort Level | Good | Very Good | Excellent |
| Test Reports | Fire · Thermal | Fire · Thermal | Fire · Thermal |
Supporting documentation and guides for specifiers and installers.
Step-by-step installation guidelines for all SoftStep underlay products. Recommended for first-time installers and refreshers.
Coming SoonFull warranty terms and conditions covering all SoftStep carpet underlay products.
Coming SoonIndependent lab test results for impact and airborne sound insulation across the SoftStep range.
Coming SoonMSDS documentation for all SoftStep products. Required for commercial project compliance.
Coming SoonCan't find what you need? Our team can provide custom specifications, acoustic advice, and project-specific recommendations.