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Viper Deep Leg Track®

Deflection track can be required at the top of a wall to allow for anticipated downward movement of the primary structure. A gap is provided between the end of the stud and track to accommodate this movement. The studs are not fastened to the track to allow movement up or down. The bridging is required within 12” from the top to keep the stud in place and provide rotational restraint. The leg of the track must be long enough to provide the required gap, bearing surface for the studs and allow for construction tolerances.

track

Viper-Deep-Leg-Track-chart

  • ASTM A1003 Standard Specification for Steel
    Sheet, Carbon, Metallic- and Nonmetallic-Coated for
    Cold-Formed Framing Members
  • ASTM C645 Standard Specification for Nonstructural
    Steel Framing Members
  • ASTM C754 Standard Specification for Installation
    of Steel Framing Members to Receive Screw-Attached
    Gypsum Panel Products
  • ASTM E90 Standard Test Method for Laboratory
    Measurement of Airborne Sound Transmission Loss
    of Building Partitions and Elements
  • ASTM E119 Standard Test Methods for Fire Tests
    of Building construction and Materials. Fire rated for
    1, 2, 3, and 4 hour rated walls.
  • ASTM E72 Standard Test Methods of Conducting
    Strength Tests of Panels for Building Construction
  • ASTM C1629 Standard Classification for Abuse-
    Resistant Non decorated Interior Gypsum Panel
    Products and Fiber-Reinforced Cement Panels

Studs are secured by one of the following methods:

  1. CR channel and BRC Clip. 12” down from the stud end.
  2. Attaching flat strap at each side of the stud flange. 12” down from the stud end.
  3. Attaching 2 screws at each leg of the deep leg track, near the stud flanges. (Total 4 screws)
  • AISI North American Specification [NASPEC] S100-07 with 2010 supplement.
  • IBC 2006, 2009 & 2012 Compliant
  • ViperStud framing is produced to meet or exceed ASTM C645, C754, A653, and A1003
  • ViperStud is tested to ASTM E90, and E119
  • Drywall Framing Third Party Code Evaluation Reports: ICC-ESR #2620 & ATI CCRR-0154
  • Multiple UL & Intertek Warnock Hersey Fire Rated Assemblies
  • Member of the Certified Steel Stud Association
  • ViperStud® Drywall Framing System is a licensed trademark of MarinoWARE®
  • Available Coating Weight
    *Additional coating types may be supplied which conform to ASTM A1003, ASTM C955 (load bearing products), ASTM C645 (non-load bearing products), and the IBC. Specific coating types will be honored upon request

The ViperStud Drywall Framing System offers all the benefits of conventional flat steel studs with a design that performs even better. The ViperStud drywall framing system is interchangeable with conventional framing components. Since ViperStud is flat steel, it is easy to plumb and mark, make minor adjustments and use laser levels. This makes installation the same as conventional studs. No extra training or special fasteners are required for installation.