A fire-rated receiver channel includes at least one intumescent or other fire-resistant material strip. The receiver channel can nest with a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed at a perimeter
A fire-rated receiver channel includes at least one intumescent or other fire-resistant material strip. The receiver channel can nest with a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed at a perimeter of a wall assembly to create a fire block arrangement. In other arrangements, a track assembly includes two nested tracks, an inner track and outer track. The assembly is designed so that the outside width of the outer track is equal to or less than the outside width of the inner track to present a substantially flush external surface for attachment of exterior sheathing elements when the assembly is used in an external wall.
대표청구항▼
1. A method of assembling a fire-rated wall having a linear wall gap, comprising: attaching a footer track to a horizontal floor element;attaching an outer track to a horizontal ceiling element, the outer track comprising a web, a first flange and a second flange, wherein the web is substantially pl
1. A method of assembling a fire-rated wall having a linear wall gap, comprising: attaching a footer track to a horizontal floor element;attaching an outer track to a horizontal ceiling element, the outer 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 outer 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, the first and second flanges of the outer track defining a minimum internal width, the outer track having at least one heat-expandable intumescent strip attached thereto such that the at least one heat-expandable intumescent strip extends lengthwise along a surface of the outer track;positioning an inner track within the outer track, the inner 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 inner track defines a substantially U-shaped cross section, such that the outer track and the inner track are aligned with one another in the same direction, the first and second flanges of the inner track defining maximum external width dimension, wherein the minimum internal width of the outer track is greater than the maximum external width dimension of the inner track and the inner track is nested within the outer track;positioning a plurality of studs between the footer track and the inner track and attaching each of the studs to at least one of the footer track and the inner track; andattaching at least one piece of wallboard to the plurality of studs. 2. A cap for a two-piece fire-rated track assembly for a linear wall gap, the assembly including a header track extending in a lengthwise direction of the 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 having a maximum external width dimension, 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, and at least one wallboard coupled to the plurality of studs, wherein the wallboard overlaps at least a portion of one of the first flange and the second flange of the header track, the cap comprising: a receiver 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, each of the first and second flanges has a free end opposite a respective one of the first side edge and second side edge, wherein the first and second flanges of the receiver track define a minimum internal width that is greater than the maximum external width dimension of the header track;at least one heat-expandable intumescent strip attached to the receiver track and extending lengthwise along an outer surface of one of the first and second flanges of the receiver track, the intumescent strip comprising a portion that extends past an outer surface of the web of the receiver trackwherein the receiver track is configured to receive the header track within the first and second flanges of the receiver track. 3. The assembly of claim 2, wherein the at least one intumescent strip extends along and is attached to a portion of the web of the receiver track such that the portion contacts an adjacent structure when the two-piece track assembly is assembled to the adjacent structure. 4. The assembly of claim 2, wherein the at least one intumescent strip defines a total length in a cross-sectional direction, wherein a portion of the total length located on the flange is at least three times greater than a portion of the total length on the web. 5. The assembly of claim 2, wherein the at least one intumescent strip covers a substantial entirety of the outer surface of the flange. 6. The assembly of claim 2, wherein the at least one intumescent strip comprises a first intumescent strip and a second intumescent strip on the first and second flanges, respectively. 7. The assembly of claim 2, wherein each of the free ends of the receiver track defines a kick-out portion that extends downwardly away from the web, in a lateral direction opposite the web and away from the other kick-out portion.
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