Product made of 5mm Isolmant with the lower side bonded to FIBTEC XF1-EL (high performance elastic needle-punched fibre) and the upper side bonded to Isolmant TeloGomma (special viscoelastic mass) which is coated with an anti-tearing TNT fleece. To be positioned with the rubber side facing upwards. Isolmant Super BiPlus ensures high levels of impact sound insulation for horizontal partitions. In particular, it is conceived for light structures as wooden flooring. It also provides a high airborne insulation. It is recommended for single or double layer floor installations. It needs a finishing screed of at least 5cm.