Elasto-plastomeric soundproofing strip made from bitumen and special polymers sandwiched to a layer of resilient polyester fibre coated with blue, non-woven polypropylene fabric, positioned underneath perimeter walls and partitions. TECHNICAL DATA: Thickness: 2.5 mm. Width: 14 cm and 33 cm. Length: 10 m. Packaging: pallets containing 161 x 14 cm wide rolls. pallets containing 69 x 33 cm wide rolls.