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StiffClip® LS

StiffClip_LS_Variations

The StiffClip® LS series is to be utilized when connecting framing members in various applications, the most common being connecting spandrel wall studs to structure. StiffClip LS resists axial tension and compression loads. Allowable design loads may be calculated based on the Section Properties shown below. Long lengths greater than 20” incorporate a stiffening lip to increase compressive strength.

Value

  • Various lengths allow flexibility
  • Eliminates shims and scabs to accommodate stud tolerance from structure in spandrel walls
  • Manufactured from mill certified steel
 
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Product Information

Material Composition

ASTM A1003/A1003M Structural Grade 50 (340) Type H, ST50H (ST340H): 50ksi (340MPa) minimum yield strength, 65ksi (450MPa) minimum tensile strength, 68mil minimum thickness (14 gauge, 0.0713” design thickness) with ASTM A653/A653M G90 (Z275) hot dipped galvanized coating.

The attachment of StiffClip to the primary structure may be made with PAFs, screw/bolt anchors or weld and is dependent upon the base material (steel or concrete) and the design configuration.

StiffClip_LS_Roof_Ridge_Connection
 StiffClip® LS - Roof Ridge Connection
StiffClip_LS_Application_Bypass_Image
StiffClip® LS - Bypass Slab
StiffClip_LS_Mansard_Truss_Connection
StiffClip® LS - Mansard Truss Connection
  1. Attach StiffClip to structural member using approved fastener method.
  2. Fasten stud to clip with approved number of screws. For quicker installation, attach from thin to thick material.
Order Information
Designation Qty/Box Lbs/Box Qty/Skid Lbs/Skid
LS1000 50 49 2,250 2,205
LS1200 50 55 2,250 2,475
LS1500 50 72 1,500 2,160
LS2000 25 49 1,500 2,940

Nomenclature

StiffClip LS is available in various lengths. To calculate length for spandrel wall connectors, add stud depth, 3” for attachment to steel (5.5” for attachment to concrete), and the distance of construction tolerance. For other applications, simply designate length (in.) multiplied by 100.

Example: 6” stud, 4” attachment to structure, 2” tolerance (6+4+2=12)
Designate: StiffClip® LS1200.

TSN_StiffClip_LS_Dimensions
StiffClip® LS Section Properties
Designation Area (in2) Ix (in4) Iy (in4) Rx (in)* Ry (in)** Sx (in3) Sy (in3)
StiffClip® LS < 20" Length 0.325 0.344 0.057 1.03 0.418 0.169 0.046
StiffClip® LS > 20" Length 0.320 0.298 0.055 0.965 0.415 0.186 0.046

Notes:

  • For PAFs, fasten within ¾" from the angle heel centerline of the 1½" leg.
  • StiffClip LS resists axial tension and compression loads.
  • Allowable design loads may be calculated based on the section properties shown above.
  • Lengths greater than 20" incorporate a stiffening lip to increase compressive strength.

* Rx = Radius of Gyration about x-x axis
** Ry = Radius of Gyration about y-y axis

StiffClip_LS_Section_Properties

TSN's Product Catalogs are an essential resource for the design of cold formed steel. Developed by Engineers, the catalogs contain design data for members, connectors, and fasteners.

StiffClip® LS and the rest of TSN's Rigid Connection Product Line can be found in the following Catalogs:

For a full list of our product catalogs, specification sections, inspection checklists, and research reports please click here.