Automatic door bottom seal EllenMatic soundproof Omega with silicone seal. It features a one-sided release on the hinge side and is suitable for installation in doors with 30 and 60 minutes fire resistance. Sound insulation rated at RS,w,0 51 dB (tested by IFT Rosenheim) and fire resistance of 30 and 60 minutes. Tested for 1,000,000 closing cycles, it can be mounted at the bottom of interior and exterior doors. Made of aluminum with a groove size of 15 x 30 mm. The seal is made of silicone with a maximum stroke of 20 mm. It includes a manually adjustable trigger, and the large contact area of the trigger allows for installation without a pressure plate. The design allows for a large actuation range thanks to the maximum stroke of 20 mm and provides parallel release without lateral offset. A tolerance compensation of 1-2 mm is included, and it features an automatic tilt function for uneven floors. The no-break function ensures that the internal mechanism retracts when obstacles, such as cables, are under the door, allowing the door to be opened and closed without a pressure plate. The product can be shortened by a maximum of 150 mm from the standard lengths. It can be installed from below without side brackets, with a minimum length of 300 mm and a maximum length of 1,600 mm.