ViperStud® Drywall Framing System NON-COMPOSITE LIMITING HEIGHTS - BRACED 48" O.C. MODEL DEPTH NO. 12 1-5/8" 24 12 2-1/2" 24 12 VIPER25 3-5/8" 24 12 4" 24 12 6" 24 VIPER20 VIPER 30mil VIPER 33mil 12 1-5/8" 24 12 2-1/2" 24 12 3-5/8" 24 12 4" 24 12 6" 24 12 1-5/8" 24 12 2-1/2" 24 12 3-5/8" 24 12 4" 24 12 6" 24 12 1-5/8" 24 12 2-1/2" 24 12 3-5/8" 24 12 4" 24 12 6" 24 MEMBER GAUGE DESIGNATION 162VS125-15 25EQ 162VS125-15 162VS125-15 250VS125-15 25EQ 250VS125-15 250VS125-15 362VS125-15 25EQ 362VS125-15 362VS125-15 400VS125-15 25EQ 400VS125-15 400VS125-15 600VS125-15 25EQ 600VS125-15 600VS125-15 DESIGN (in) 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 0.0155 MIN (in) 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 0.0147 162VS125-20 162VS125-20 162VS125-20 250VS125-20 250VS125-20 250VS125-20 362VS125-20 362VS125-20 362VS125-20 400VS125-21 400VS125-21 400VS125-21 600VS125-21 600VS125-21 600VS125-21 162VS125-30 162VS125-30 162VS125-30 250VS125-30 250VS125-30 250VS125-30 362VS125-30 362VS125-30 362VS125-30 400VS125-30 400VS125-30 400VS125-30 600VS125-30 600VS125-30 600VS125-30 162VS125-33 162VS125-33 162VS125-33 250VS125-33 250VS125-33 250VS125-33 362VS125-33 362VS125-33 362VS125-33 400VS125-33 400VS125-33 400VS125-33 600VS125-33 600VS125-33 600VS125-33 0.0205 0.0205 0.0205 0.0205 0.0205 0.0205 0.0205 0.0205 0.0205 0.0220 0.0220 0.0220 0.0220 0.0220 0.0220 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0312 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0346 0.0195 0.0195 0.0195 0.0195 0.0195 0.0195 0.0195 0.0195 0.0195 0.0209 0.0209 0.0209 0.0209 0.0209 0.0209 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0296 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 0.0329 20EQ 20EQ 20EQ 20EQ 20EQ 20DW 20DW 20DW 20DW 20DW 20STR 20STR 20STR 20STR 20STR 5 PSF YIELD SPACING L/120 L/240 L/360 L/120 (ksi) O.C. (in) 8'-8" f 7'-6" 6'-7" 7'-1"f 50 12 7'-6" f 6'-10" 6'-0" 6'-1"f 50 16 6'-1" f 6'-0" --50 24 11'-10" f 10'-7" 9'-2" 9'-7"f 50 12 10'-2" f 9'-7" 8'-5" 8'-5"f 50 16 8'-5" f 8'-5"f 7'-4" 6'-8"w 50 24 13'-2" f 13'-2"f 12'-1" 10'-10"f 50 12 11'-5" f 11'-5"f 11'-0" 9'-4"f 50 16 9'-4" f 9'-4"f 9'-4"f 6'-11"w 50 24 13'-10" f 13'-10"f 13'-1" 11'-4"f 50 12 12'-0" f 12'-0"f 11'-11" 9'-10"f 50 16 9'-10" f 9'-10"f 9'-10"f 6'-6"w 50 24 14'-1" w 14'-1"w 14'-1"w 9'-5"w 50 12 10'-7" w 10'-7"w 10'-7"w 7'-1"w 50 16 7'-1" w 7'-1"w 7'-1"w -50 24 57 57 57 57 57 57 57 57 57 57 57 57 57 57 57 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 12 16 24 10'-7" f 9'-2" f 7'-6" f 14'-4" f 12'-5" f 10'-1" f 16'-2" f 14'-0" f 11'-5" f 17'-10" f 15'-6" f 12'-7" f 23'-1" f 20'-0" f 16'-5" f 11'-10" 10'-8" 8'-11" f 16'-4" 14'-5" f 11'-10" f 20'-0" f 17'-4" f 14'-2" f 21'-1" f 18'-4" f 14'-11" f 28'-0" f 24'-2" f 19'-10" f 12'-2" 11'-1" 9'-6" f 16'-11" 15'-4" f 12'-6" f 21'-4" f 18'-5" f 15'-1" f 22'-6" f 19'-5" f 15'-11" f 29'-10" f 25'-10" f 21'-1" f 8'-8" 7'-11" 6'-11" 11'-11" 10'-10" 9'-6" 15'-10" 14'-0" f 11'-5" f 17'-0" 15'-6" f 12'-7" f 22'-6" 20'-0" f 16'-5" f 9'-4" 8'-6" 7'-5" 12'-11" 11'-8" 10'-4" 17'-2" 15'-7" 13'-8" 18'-7" 16'-11" 14'-10" 25'-6" 23'-2" 19'-10" f 9'-8" 8'-10" 7'-8" 13'-5" 12'-2" 10'-7" 17'-10" 16'-2" 14'-1" 19'-4" 17'-6" 15'-4" 26'-6" 24'-1" 21'-0" 7'-7" 6'-11" 6'-0" 10'-5" 9'-6" 8'-4" 13'-10" 12'-6" 10'-11" 14'-11" 13'-6" 11'-10" 19'-8" 17'-11" 15'-7" 8'-2" 7'-5" 6'-6" 11'-4" 10'-4" 9'-0" 15'-0" 13'-8" 11'-11" 16'-4" 14'-10" 12'-11" 22'-4" 20'-2" 17'-8" 8'-5" 7'-8" 6'-8" 11'-8" 10'-7" 9'-4" 15'-7" 14'-1" 12'-5" 16'-10" 15'-4" 13'-4" 23'-1" 21'-0" 18'-5" 8'-7" f 7'-6" f 6'-1" f 11'-8" f 10'-1" f 8'-4" f 13'-2" f 11'-5" f 9'-4" f 14'-7" f 12'-7" f 10'-4" f 18'-11" f 16'-5" f 11'-5" w 10'-4" 8'-11" f 7'-4" f 13'-7" f 11'-10" f 9'-7" f 16'-4" f 14'-2" f 11'-7" f 17'-2" f 14'-11" f 12'-2" f 22'-10" f 19'-10" f 15'-7" w 10'-7" 9'-6" f 7'-8" f 14'-5" f 12'-6" f 10'-2" f 17'-5" f 15'-1" f 12'-4" f 18'-4" f 15'-11" f 13'-0" f 24'-4" f 21'-1" f 17'-2" f 7.5 PSF L/240 6'-7" 6'-0" -9'-2" 8'-5"f 6'-8"w 10'-10" f 9'-4" f 6'-11" w 11'-4" f 9'-10" f 6'-6" w 9'-5" w 7'-1" w -- L/360 ---8'-1" 7'-4" 6'-5" 10'-7" 9'-4" f 6'-11"w 11'-4" f 9'-10" f 6'-6" w 9'-5" w 7'-1" w -- 7'-7" 6'-7" 6'-11" 6'-0" 6'-0" -10'-5" 9'-1" 9'-6" 8'-4" 8'-4" 7'-2" 13'-2" f 12'-0" 11'-5" f 10'-11" 9'-4" f 9'-4" f 14'-7" f 13'-0" 12'-7" f 11'-10" 10'-4" f 10'-4" f 18'-11" f 17'-2" 16'-5" f 15'-7" 11'-5" w 11'-5"w 8'-2" 7'-1" 7'-5" 6'-6" 6'-6" -11'-4" 9'-11" 10'-4" 9'-0" 9'-0" 7'-10" 15'-0" 13'-1" 13'-8" 11'-11" 11'-7" f 10'-5" 16'-4" 14'-2" 14'-10" 12'-11" 12'-2" f 11'-4" 22'-4" 19'-6" 19'-10" f 17'-8" 15'-7" w 15'-6" 8'-5" 7'-5" 7'-8" 6'-8" 6'-8" -11'-8" 10'-2" 10'-7" 9'-4" 9'-4" 8'-1" 15'-7" 13'-7" 14'-1" 12'-5" 12'-4" f 10'-10" 16'-10" 14'-8" 15'-4" 13'-4" 13'-0" f 11'-8" 23'-1" 20'-2" 21'-0" 18'-5" 17'-2" f 16'-0" L/120 6'-1" f --8'-5" f 7'-2" f -9'-4" f 7'-10" w -9'-10" f 7'-5" w -7'-1" w --- 10 PSF L/240 L/360 6'-0" -----8'-5" f 7'-4" 7'-2" f 6'-8" --9'-4" f 9'-4" f 7'-10" w 7'-10"w --9'-10" f 9'-10" f 7'-5" w 7'-5" w --7'-1" w 7'-1" w ----- 7'-6" f 6'-6" f -10'-1" f 8'-10" f 7'-2" f 11'-5" f 9'-11" f 8'-1" f 12'-7" f 10'-11" f 8'-11" f 16'-5" f 12'-10"w 8'-7" w 8'-11" f 7'-8" f 6'-4" f 11'-10" f 10'-2" f 8'-4" f 14'-2" f 12'-4" f 10'-0" f 14'-11" f 12'-11" f 10'-7" f 19'-10" f 17'-1" f 11'-8" w 9'-6" f 8'-2" f 6'-8" f 12'-6" f 10'-10" f 8'-10" f 15'-1" f 13'-0" f 10'-8" f 15'-11" f 13'-10" f 11'-2" f 21'-1" f 18'-4" f 14'-6" w 6'-11" 6'-0" 6'-4" ---9'-6" 8'-4" 8'-7" 7'-6" 7'-2" f 6'-7" 11'-5" f 10'-11" 9'-11" f 9'-11" f 8'-1" f 8'-1" f 12'-7" f 11'-10" 10'-11" f 10'-8" 8'-11" f 8'-11" f 16'-5" f 15'-7" 12'-10"w 12'-10"w 8'-7" w 8'-7" w 7'-5" 6'-6" 6'-8" ---10'-4" 9'-0" 9'-4" 8'-1" 8'-1" 7'-1" 13'-8" 11'-11" 12'-4" f 10'-10" 10'-0" f 9'-6" 14'-10" 12'-11" 12'-11" f 11'-8" 10'-7" f 10'-2" 19'-10" f 17'-8" 17'-1" f 16'-1" 11'-8" w 11'-8"w 7'-8" 6'-8" 7'-0" 6'-1" 6'-1" -10'-7" 9'-4" 9'-7" 8'-5" 8'-5" 7'-5" 14'-1" 12'-5" 12'-11" 11'-2" 10'-8" f 9'-10" 15'-4" 13'-4" 13'-10" f 12'-1" 11'-2" f 10'-7" 21'-0" 18'-5" 18'-4" f 16'-8" 14'-6" w 14'-6"w "f" - flexure controls; "s" - shear controls; "w" - web crippling controls. No letter next to the number means deflection controls. Notes: 1. Limiting heights are in accordance with AISI S100-07 using all steel non-composite design. 2. Limiting heights are established by considering flexure, shear, web crippling and deflection. 3. Lateral-Torsional buckling moments are based on section C3.1.2.1 of AISI S100-07, with max discrete bracing of 48" o.c. 4. For web crippling, when h/t ≤ 200, the web crippling values are computed based on section C3.4.2 of AISI S100-07, when h/t > 200, the web crippling values are based on testing with a bearing length of 1". 5. No web stiffeners are required for studs with h/t > 200, web crippling and shear values have been confirmed by testing. 6. The factory punchouts are in accordance with section C5 of AISI S201-07. The distance from the center of last punchout to the end of the stud is 12". 9