Technical Content

CT Stud Limiting Heights (Interior nonload-bearing)



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Values below are listed in the PEI Assembly Evaluation report AER-12061 and are for 2 hour rated wall systems only.

Click the below Member to view individual Tech Datasheet / Submittal

Member Deflection 5 PSF 7.5 PSF 10 PSF 15 PSF
2-1/2" 25ga L/120 16'-10" 13'-8" 11'-10"* 8'-6"*
L/240 11'-10" 9'-10" 8'-8" 7'-3"
L/360 9'-10" 8'-3" 7'-3" 6'-2"
2-1/2" 20ga L/120 16'-10" 14'-4" 12'-11" 11'-1"
L/240 12'-11" 11'-1" 9'-11" 8'-7"
L/360 11'-1" 9'-6" 8'-7" 7'-5"
2-1/2" 18ga L/120 17'-11" 15'-10" 14'-6" 12'-10"
L/240 14'-6" 12'-10" - -
L/360 12'-10" - - -
 
4" 25ga L/120 21'-8" 16'-6"* 12'-5"* 8'-3"*
L/240 16'-0" 13'-7" 12'-1" 8'-3"*
L/360 13'-7" 11'-6" 10'-4" 8'-3"*
4" 20ga L/120 23'-0" 21'-0" 18'-7" 15'-5"**
L/240 18'-7" 15'-10" 14'-1" 12'-1"
L/360 15'-10" 13'-6" 12'-1" 10'-4"
4" 18ga L/120 25'-7" 22'-2" 20'-0" 17'-4"
L/240 20'-0" 17'-4" 15'-8" 13'-7"
L/360 17'-4" 15'-1" 13'-7" 11'-10"
18ga only available in select markets (18ga is for interior systems only)
6" 20ga L/120 30'-3"** 24'-9"** 20'-6"* 13'-8"*
L/240 26'-6" 22'-2" 19'-7" 13'-8"*
L/360 22'-2" 18'-8" 16'-7" 13'-8"*
6" 18ga L/120 36'-5" 30'-8" 27'-3" 23'-2"
L/240 27'-3" 23'-2" 20'-8" 17'-8"
L/360 23'-2" 19'-9" 17'-8" ---
18ga only available in select markets (18ga is for interior systems only)
* Reduced for End Reaction capacity
** Reduced for Flexural Strength Capacity
Table above is for 2 hour rated wall systems only
(18ga only available in select markets)