Firmalay 8 combines comfort, durability, and sustainability in one high-performance underlay. Made from recycled PET bottles, its 8 mm PU rebond foam construction provides excellent resilience, reduces indent marks, and extends carpet life. With a flame-resistant design and 100% recyclability, Firmalay 8 is the eco-smart choice for both commercial and residential spaces.
Material Composition Polyurethane Rebond Foam Total Weight ca. 796 g/m² (23.48 oz/yd²) (+/- 10%) Total Thickness ca. 8 mm (+/- 10%) Roll Area ca. 15.07 m² Roll Size ca. 1.37 m x 11 m Backing Two-sided Polyethylene Film Unit Weight 12.0 kg per roll Density 100 kg/m³ Loss in Thickness after Dynamic Loading Pass Loss in Thickness after Static Loading Pass Resistance to Cracking Pass Work of Compression Pass Retention of Work of Compression Pass
Flammability
Hot Metal Nut Test Pass - Low radius of effects of ignition (BS 4790:1987) Surface Flammability Test Pass (ASTM D 2859-16 (2021))
Green Features
Recyclable At the end of the underlay's useful life, it can be 100% recycled Recycled Content Contains 100% recycled material
Other Properties and Test Performance
Impact Sound Reduction (ΔLw) 35 dB CFD (Compression Force Deflection) 10.2 PSI @ 22.6% deflection Tensile Strength 10.3 PSI Compression Change after Hexapod Traffic 6.80%