The ProSTUD® Drywall Framing System with Smart Edge™ Technology can be called many things. Strong. Versatile. Fast. And without a doubt-revolutionary. But one of the biggest benefits to keep in mind is this: ProSTUD® was developed, tested and approved by pros in the field who demanded nothing less than achieving absolute ease of use. Its performance has also been proven by the most extensive laboratory evaluations available. All of which means ProSTUD® comes with complete confidence and no questions about code compliance. With the backing of online, mobile and data-rich BIM resources, there's no better example of a broader vision at work.
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ProSTUD® Drywall Framing Systems

ProSTUD® 0.137 Square Inch (in²) Area Drywall Stud
ProSTUD® Drywall Framing Systems

ProSTUD® 0.165 Square Inch (in²) Area Drywall Stud
ProSTUD® Drywall Framing Systems

ProSTUD® 0.200 Square Inch (in²) Area Drywall Stud
ProSTUD® Drywall Framing Systems

ProSTUD® 0.212 Square Inch (in²) Area Drywall Stud
ProSTUD® Drywall Framing Systems

ProSTUD® 0.274 Square Inch (in²) Area Drywall Stud
Description N/A The ProSTUD® Drywall Framing System with Smart Edge™ Technology can be called many things. Strong. Versatile. Fast. And without a doubt-revolutionary. But one of the biggest benefits to keep in mind is this: ProSTUD® was developed, tested and approved by pros in the field who demanded nothing less than achieving absolute ease of use. Its performance has also been proven by the most extensive laboratory evaluations available. All of which means ProSTUD® comes with complete confidence and no questions about code compliance. With the backing of online, mobile and data-rich BIM resources, there's no better example of a broader vision at work.
Brands N/A A-1 Alloys ClarkDietrich® ProSTUD®
Design Thickness N/A 0.0312 in
Tensile Strength Fy N/A 33 ksi
Area N/A 0.137 in² N/A 0.165 in² N/A 0.200 in² N/A 0.212 in² N/A 0.274 in²
Weight N/A 0.47 lb/ft N/A 0.56 lb/ft N/A 0.68 lb/ft N/A 0.72 lb/ft N/A 0.93 lb/ft
Gross Section Properties (lx) N/A 0.064 in4 N/A 0.169 in4 N/A 0.398 in4 N/A 0.501 in4 N/A 1.324 in4
Gross Section Properties (Rx) N/A 0.681 in N/A 1.012 in N/A 1.411 in N/A 1.540 in N/A 2.199 in
Gross Section Properties (ly) N/A 0.029 in4 N/A 0.034 in4 N/A 0.038 in4 N/A 0.039 in4 N/A 0.043 in4
Gross Section Properties (Ry) N/A 0.458 in N/A 0.451 in N/A 0.434 in N/A 0.428 in N/A 0.396 in
Effective Section Properties at Tensile Strength (Fy) (Ae) N/A 0.098 in² N/A 0.106 in² N/A 0.107 in² N/A 0.108 in² N/A 0.109 in²
Effective Section Properties at Tensile Strength (Fy) (lx) N/A 0.064 in4 N/A 0.168 in4 N/A 0.396 in4 N/A 0.499 in4 N/A 1.281 in4
Effective Section Properties at Tensile Strength (Fy) (Sx) N/A 0.067 in³ N/A 0.121 in³ N/A 0.170 in³ N/A 0.189 in³ N/A 0.338 in³
Effective Section Properties at Tensile Strength (Fy) (Ma) N/A 1332 in·lb N/A 2356 in·lb N/A 3358 in·lb N/A 3737 in·lb N/A 6031 in·lb
Effective Section Properties at Tensile Strength (Fy) (Vag) N/A 572 lb N/A 832 lb N/A 776 lb N/A 701 lb N/A 461 lb
Effective Section Properties at Tensile Strength (Fy) (Vanet) N/A 124 lb N/A 397 lb N/A 457 lb N/A 490 lb N/A 461 lb
Torsional Properties (Jx1000) N/A 0.04459 in4 N/A 0.05345 in4 N/A 0.06484 in4 N/A 0.06864 in4 N/A 0.08888 in4
Torsional Properties (Cw) N/A 0.017 in6 N/A 0.042 in6 N/A 0.096 in6 N/A 0.120 in6 N/A 0.303 in6
Torsional Properties (Xo) N/A -1.070 in N/A -0.941 in N/A -0.820 in N/A -0.787 in N/A -0.651 in
Torsional Properties (Ro) N/A 1.348 in N/A 1.454 in N/A 1.689 in N/A 1.781 in N/A 2.327 in
Torsional Properties (ß) N/A 0.371 Beta N/A 0.581 Beta N/A 0.764 Beta N/A 0.805 Beta N/A 0.922 Beta
Length (Lu) N/A 30.8 in N/A 30.1 in N/A 29.7 in N/A 29.5 in N/A 28.7 in
Shear (#6 Screw 0.138 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 95 lb
1-Side (#6 Screw 0.138 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 80 lb
2-Side (#6 Screw 0.138 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 161 lb
Pullout (#6 Screw 0.138 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 40 lb
Shear (#8 Screw 0.164 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 103 lb
1-Side (#8 Screw 0.164 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 80 lb
2-Side (#8 Screw 0.164 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 161 lb
Pullout (#8 Screw 0.164 Inch (in) Diameter and 5/16 Inch (in) Head) N/A 48 lb
Shear (#10 Screw (0.190 Inch (in) Diameter and 0.34 Inch (in) Head) N/A 111 lb
1-Side (#10 Screw (0.190 Inch (in) Diameter and 0.34 Inch (in) Head) N/A 88 lb
2-Side (#10 Screw (0.190 Inch (in) Diameter and 0.34 Inch (in) Head) N/A 175 lb
Pullout (#10 Screw (0.190 Inch (in) Diameter and 0.34 Inch (in) Head) N/A 55 lb
Notes for Allowable Screw Design Values N/A
  • Allowable screw connection capacities are based on Section E4 of the AISI S100-12 Specification.
  • When connecting materials of different steel thicknesses or tensile strengths, use the lowest values. Tabulated values assume two sheets of equal thickness are connected.
  • Screw shear and tension capacities were developed using published screw manufacturer data and evaluation reports available at the time of publication.
  • Screw capacities are based on Allowable Strength Design (ASD) and include a safety factor of 3.0.
  • When multiple fasteners are used, screws are assumed to have a center-to-center spacing of at least three times the nominal diameter (d).
  • Screws are assumed to have a center-of-screw to edge-of-steel dimension of at least 1-1/2 times the nominal diameter (d) of the screw.
  • Tension capacity is based on the lesser of pullout capacity in sheet closest to screw tip, or pullover capacity for sheet closest to screw head (using head diameter).
  • Screw capacities are governed by a conservative estimate of screw capacity, not by sheet steel failure.
  • For higher screw capacities, especially for screw strength, use specific screws from specific manufacturer. See manufacturer’s data for specific allowable values and installation instructions.
Construction Advantages N/A
  • High-strength steel combined with low-profile flange stiffening grooves and double offset web planking increases strength and provides greater limiting heights
  • Diamond-embossed web creates stiffness, reducing flange fade and screw spinout during drywall installation
  • Strong, lightweight stud and track cuts and handles easier than conventional flat steel studs
  • Flange grooves provide sight line for drywall alignment and aid in positioning screws at drywall joints to maintain the 3/8" edge requirement
  • Web and leg enhancements in ProTRAK® provide straight and rigid legs, making it the best choice for framing walls, headers, soffits, and bulkheads
Design Advantages N/A
  • Designed to meet the additional strength requirements of today's building codes: IBC 2015, AISI (S100), ICC-ES AC86 (2015)
  • Smart Edge™ Technology is an enhancement for producing easier-to-handle steel that reduces the risk of cuts and scrapes
  • UL Classified and listed in over 50 designs, including U419, V438, and chase wall assemblies
  • Exceptional sound performance in over 30 tested sound assemblies
  • Can contribute LEED® points in LEED v4 or LEED 2009. EPD and HPD verifications also available.
  • National availability
Addition Information N/A ProSTUD®, in fact, is just one example of how ClarkDietrich® can reinforce your efforts to design and build more intelligently. Yes, we're known as a manufacturer of extensively tested, code-compliant steel framing products, but we offer so much more. Our products perform as a system. We support a range of efforts for smarter installation and design.

We provide the expertise of a versatile engineering services team. And we do it all on a nationwide scale.

We've put together an incredible array of resources to help you be successful on any project, regardless of size or complexity. Within this catalog you'll discover the multiple advantages ProSTUD® has to offer, as well as detailed information on the product lineup, limiting heights, sound and fire assemblies, and more.

Ultimately, your choice of ProSTUD® doesn't come down to the integrity of the product alone, or even its ease of use. You're also looking to the strength of the company that stands behind it. Count on the expertise, services and full support of ClarkDietrich® today-and far into the future.
Note N/A
  • Calculated properties are based on AISI S100-12, North American Specification for Design of Cold-Formed Steel Structural Members and AISI S220-15, North American Standard for Cold-Formed Steel Framing-Nonstructural Members.
  • Effective properties incorporate the strength increase from the cold work of forming as applicable per AISI A7.2.
  • Tabulated gross properties, including torsional properties, are based on full-unreduced cross section of the studs, away from punch outs.
  • Tabulated gross properties, including torsional properties, are based on full-unreduced cross section of the tracks.
  • For deflection calculations, use the effective moment of inertia.
  • Allowable moment includes cold work of forming.
  • Allowable moment is taken as the lowest value based on local or distortional buckling. Distortional buckling strength is based on a k-phi = 0.
  • Web depth for track sections is equal to the nominal height plus two times the design thickness plus the bend radius. Hems on nonstructural track sections are ignored.
  • Available in select markets.