The Siderise FR Retardant Acoustic Slab is a flexible polyurethane foam designed for sound absorption in ductwork, vehicles, electrical equipment, and machinery enclosures. Offering Class 0 fire performance, it reduces vibration in metal sheet applications and supports both acoustic and fire safety requirements. Its density and material properties make it suitable for a wide range of industrial, marine, and automotive applications.
Features
- Fire performance – Meets Class 0 (BS 476 Part 6 & 7), FMVSS302 (automotive), and UL94 HF1 (electrical equipment)
- Acoustic performance – Flexible open-cell polyurethane foam; αW: 0.15 @ 6mm for effective sound absorption relative to thickness
- Vibration reduction – Helps reduce airborne noise and vibration from rigid materials such as metal
- Thermal insulation – Thermal conductivity 0.048–0.051 W/m·K, providing additional energy efficiency
- Versatile applications – Ideal for ductwork lining, ventilation equipment, spatial absorbers, and marine/automotive absorption linings
- Installation ease – Supplied with acrylic pressure-sensitive adhesive backing for straightforward application
- Notes – For acoustic foams meeting the latest UK Approved Document B requirements, see Siderise Comfort Extra Light Weight Acoustic Foam and Siderise FRX Retardant PLUS+ Acoustic Slab