Patent ID: 8555566
Filing Date: 2013-10-15
Classification: E04B,E04C

Abstract:
1. A wall assembly having a head-of-wall seal arrangement, the wall assembly comprising: a header track extending in a lengthwise direction of the wall assembly, the header track comprising a web, a first flange and a second flange, the first and second flanges extending downwardly from the web, each of the web, the first flange and the second flange being substantially planar such that the header track defines a substantially U-shaped cross section, wherein each of the first flange and the second flange includes a free end and the free ends define a header track width therebetween; a bottom track extending in the lengthwise direction and having a web, a first flange and a second flange, the first and second flanges extending upwardly from the web; a plurality of studs each having an upper end and a lower end, the lower end of each stud received within and secured to the bottom track and the upper end of each stud received within the header track; a receiver channel extending in the lengthwise direction and having a web, a first flange and a second flange, the first and second flanges extending downwardly from the web such that the receiver channel defines a substantially U-shaped cross section, wherein a width of the web of the receiver channel is greater than the header track width such that the first flange and the second flange of the receiver channel are positioned outwardly of the free ends of the first flange and the second flange of the header track, respectively, and wherein the header track is nested within the receiver channel and wherein each of the web, the first flange and the second flange of the receiver channel comprises a heat-expandable intumescent material.