Planet BT 803, 40 mm wide, 1150 mm, complete with flat insert, can be shortened. For best sound mitigation values and interrupted impact sound, it provides 30 dB acoustic insulation. This visually appealing solution features a level running surface for all Planet drop-down seals, ensuring optimal sound absorption. It is grouted with the screed and has a wide adjustment range, suitable for one or two sealing levels. The base profile is prepared with mortar protection and acoustic insulation strips on the left and right. It comes with a 7-year warranty. The Planet BT floor separation threshold offers optimal sound separation, with acoustic insulation of 30 dB. The top is made of aluminium and is available in 40 mm or 60 mm wide, with easy height adjustment from 0 to 14 mm.