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ViperStud^® Drywall Framing System

• Knurled flange helps prevent screws from slipping
• ViperRib™ technology enhances strength
• Flat web mixes well with flat steel inventory
• ViperTrack™ works with Viper20™ and Viper25™ studs
• 100% hemmed track
• Patent #s: D621,964 & D621,963

Click here to see the
ViperStud Catalog 

Download Our ATI
CCRR-0154 Report

ViperStud ^®

Yield Strength

• 50 ksi for Viper25™
• 57 ksi for Viper20™ 

Design Thicknesses

• Viper25™ is 0.0155"
• Viper20™ (1-5/8" - 3-5/8")is 0.0205"
• Viper20™ (4" - 6") is 0.0220"

Minimum Thicknesses

• Viper25™ is 0.0147"
• Viper20™ (1-5/8" - 3-5/8") is 0.0195"
• Viper20™ (4" - 6") is 0.0209"

Coating

• G40 per ASTM C-645

Stud Web Sizes

• 1-5/8", 2-1/2", 3-5/8", 4" and 6"

Knockout Sizes

• 1-5/8" stud = 3/4" x 1-3/4"
• 2-1/2", 3-5/8", 4" and 6"
  stud = 1-1/2" x 2-1/2"

Download our ICC-ES
ESR 2620 Report

Click here to see the
ViperStud Test Data 

ViperTrack™

(Suitable for Viper20™ and Viper25™ studs)

Yield Strength

• 50 ksi

Design Thickness

• 0.0155"

Minimum Thickness

• 0.0147"

Coating

• G40 per ASTM C-645

Track Web Sizes
(inside dimensions)

• 1-5/8", 2-1/2", 3-5/8", 4" and 6"

Viper20™ (1-5/8" - 3-5/8 ")

• Design Thickness 0.0205", G40 coating

Viper20™ (4" - 6")

• Design Thickness 0.0220", G40 coating

Viper20D™ Viper20™ Deep Leg Track 

Yield Strength

• 50 ksi
• 57 ksi

Design Thickness

• (1-5/8" - 3-5/8"): 0.0205"
• (4" - 6"): 0.0220 

Minimum Thickness

• (1-5/8" - 3-5/8"): 0.0195"
• (4" - 6"): 0.0209

Coating

• G40 per ASTM C645

Track Web Sizes
(inside dimensions)

• 1-5/8", 2-1/2", 3-5/8", 4" and 6"

Flange

• 2", 2-1/2", and 3"
• 1-5/8" is available with a maximum 2" flange