The present application is directed toward fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, flat straps for use between tracks
The present application is directed toward fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, flat straps for use between tracks and fluted wall components, fire sponges for use in fluted wall components, and tracks with protruding grooves or other structures which prevent unwanted air movement between a wallboard component and the track.
대표청구항▼
1. A fire-rated stud framing wall and ceiling system, comprising: a bottom track comprising a web, a first flange and a second flange, the first and second flanges extending in an upward direction from opposing side edges of the web, the bottom track defining an interior space between the web and th
1. A fire-rated stud framing wall and ceiling system, comprising: a bottom track comprising a web, a first flange and a second flange, the first and second flanges extending in an upward direction from opposing side edges of the web, the bottom track defining an interior space between the web and the inwardly-facing surfaces of the first and second flanges;a plurality of studs that are spaced from one another along the bottom track, each of the plurality of studs having a bottom end received within the interior space of the bottom track, each of the plurality of studs extending in a generally vertical direction from the bottom track;a top track comprising a web, a first flange and a second flange, the first and second flanges extending in a downward direction from opposing side edges of the web, the top track defining an interior space between the web and the inwardly-facing surfaces of the first and second flanges, wherein upper ends of each of the plurality of studs are received within the interior space of the top track;at least one fire-retardant element extending along a length of the top track, the at least one fire-retardant element positioned on a portion of the web and at least one of the first and second flanges, the at least one fire-retardant element having at least a first surface facing the top track and a second surface; anda ceiling;wherein the top track is secured to the ceiling and the at least one fire-retardant element is located on the top track such that at least a portion of the second surface of the at least one fire-retardant element contacts the ceiling, andwherein the portion of the second surface defines a width that is less than the width of the web of the top track. 2. The system of claim 1, wherein the at least one fire-retardant element comprises a top portion and a side portion, wherein the top portion is positioned between the top track and the ceiling. 3. The system of claim 2, wherein the side portion extends in the downward direction from the top portion. 4. The system of claim 3, wherein an edge of the side portion is positioned between vertical endpoints of the at least one of the first and second flanges. 5. The system of claim 2, wherein each of the first and second flanges include a plurality of vertically-oriented slots, wherein the side portion extends a distance in the downward direction from the top portion such that at least a portion of the plurality of vertically-oriented slots are exposed. 6. The system of claim 1, wherein the at least one fire-retardant element is adhesively attached to the top track. 7. The system of claim 1, further comprising at least one wallboard member extending in the generally vertical direction and coupled to at least one of the plurality of studs, wherein the at least one fire-retardant element is positioned between the at least one wallboard member and the at least one of the first and second flanges. 8. The system of claim 7, wherein the at least one wallboard member overlaps a portion of the at least one fire-retardant component. 9. The system of claim 1, wherein the at least one fire-retardant element comprises intumescent material. 10. A fire-rated stud framing wall and ceiling system, comprising: a bottom track comprising a web, a first flange and a second flange, the first and second flanges extending in an upward direction from opposing side edges of the web, the bottom track defining an interior space between the web and the inwardly-facing surfaces of the first and second flanges;a plurality of studs that are spaced from one another along the bottom track, each of the plurality of studs having a bottom end received within the interior space of the bottom track, each of the plurality of studs extending in a generally vertical direction from the bottom track;a top track comprising a web, a first flange and a second flange, the first and second flanges extending in a downward direction from opposing side edges of the web, the top track defining an interior space between the web and the inwardly-facing surfaces of the first and second flanges, wherein upper ends of each of the plurality of studs are received within the interior space of the top track;a pre-formed intumescent material strip extending along a length of the top track, the intumescent material strip extending across an entire width of the web and down each of the first and second flanges, the intumescent material strip having at least a first surface facing the top track and a second surface; anda ceiling;wherein the top track is secured to the ceiling and the intumescent material strip is located on the top track such that at least a portion of the second surface of the intumescent material strip contacts the ceiling. 11. The system of claim 10, wherein the entire width of a surface of the top track is in contact with the first surface of the fire-retardant material strip. 12. The system of claim 10, wherein the intumescent material strip is adhesively attached to the top track. 13. The system of claim 10, further comprising at least one wallboard member extending in the generally vertical direction and coupled to at least one of the plurality of studs, wherein the intumescent material strip is positioned between the at least one wallboard member and at least one of the first and second flanges of the top track. 14. The system of claim 13, wherein the at least one wallboard member overlaps a portion of the intumescent material strip.
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