Patent ID: 8590231

Claim:
A fire-rated assembly for a linear wall gap, comprising: a track that has 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; an angle that has a first flange and a second flange, wherein each of the first flange and the second flange is substantially planar such that the angle defines a substantially L-shaped cross section, each of the first and second flanges has a free end opposite a corner of the angle; a heat-expandable intumescent strip attached to the angle and extending lengthwise along an outer surface of the second flange, the intumescent strip comprising a portion that extends past an outer surface of the first flange of the angle; wherein the first flange of the angle is positioned between the web of the track and an overhead structure with the second flange of the angle being positioned adjacent one of the first or second flanges of the track with at least a portion of the second flange contacting the one of the first or second flanges of the track.