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No. of
Trimmer Studs
Deflection
Header Span (ft.)
9’ 10’ 11’ 12’ 13’ 14’ 15’ 16’
1
L/480 700 630 573 458 360 288 234 193
L/360 700 630 573 525 480 384 313 257
L/240 700 630 573 525 485 450 420 386
2
L/480 1085 791 594 458 360 288 234 193
L/360 1400 1055 792 610 480 384 313 257
L/240 1400 1245 792 864 720 577 469 386
Values listed for each deflection represent the least value of the bearing capacity of the trimmer, shear or bending
capacity of the header or the actual deflection at the design load.
Refer to Technical Bulletin #30 for supporting headers in PBS Wall SIPs (www.pbssips.com).
Note: Trimmer stud design capacities must be reviewed.