FireTrol Fire Proof Columns (Square Type SO)


UL RATED / FIREPROOFED COLUMNS
SQUARE SHELL (SO)
X106 2Hours X104 3Hours X101 4Hours
OD of Pipe Shell Size Wt. † Shell Size Wt. † Shell Size Wt. †
3 1/2" 6x6 23 7x7 31 8x8 39
4" 6x6 22 7x7 30 9x9 53
4 1/2" 7x7 28 8x8 37 9x9 52
5 1/2" 8x8 33 9x9 49 10x10 59
6 5/8" 9x9 44 10x10 55 11x11 51
8 5/8" 11x11 41 12x12 69 13x13 63
10 3/4" 13x13 50 14x14 63 15x15 76
12 3/4" 15x15 61 16x16 75 17x17 89

† Weight shown in pounds per foot for shell and fireproofing only.
All shell sizes are shown in inches.
Information available upon request for sizes other than shown.
Refer to latest edition of A.I.S.C. steel construction manual for allowable safe loads.