主权项 |
1. A track for a fire-rated or non-fire rated wall assembly for a linear wall gap, the track comprising a web, a first flange and a second flange, wherein the web is substantially planar and has a first side edge and a second side edge, the first flange and the second flange extend in the same direction from the first and second side edges, respectively, wherein each of the first and second flanges is substantially planar such that the track defines a substantially U-shaped cross section, each of the first and second flanges has a free end opposite a respective one of the first side edge and second side edge, each of the first and second flanges has a plurality of slits, each of the slits having a first end adjacent to the free ends of the first and second flanges and a second end opposite the first end, the plurality of slits defining a plurality of tabs in which each adjacent pair of the plurality of slits forms a tab therebetween. |