Twin fin perimeter door set seal designed to restrict noise, smoke and air movement.  The seals are manufactured from co-extruded PVC and offer excellent deflection and a high memory recovery rate. Available in white, brown or black. Twin fin perimeter door seal with self-adhesive face Minimal closing force with multi point contact Can be retrofitted Decibel rating: 40dB Supplied in 1 x 2.1m lengths Tested to BS EN ISO 10140-2: 2010