Steel rafters (cont.) Shed or gable roof with spans from 7'0" to 38'0" and pitch of 3 in 12 to 12 in 12 as published in light-gauge steel framing span tables. Costs per square foot of roof surface. Includes rafters, bracing, screws and minimal waste but no blocking, purlins, ridge boards, collar beams, or gable walls. See costs for blocking, purlins, ridgeboards and collar beams elsewhere in this section. Labor includes layout, assembly, and alignment. Figures in parentheses show weight of steel per square foot of roof.
10" steel rafters, 24" OC, 1-5/8" flange [view picture]
    1000S162-43 (18 gauge, 1.14 Lbs./SF) B1@.039 SF 1.12 1.30 2.42
    1000S162-54 (16 gauge, 1.40 Lbs./SF) B1@.042 SF 1.37 1.40 2.77
    1000S162-68 (14 gauge, 1.74 Lbs./SF) B1@.047 SF 1.71 1.57 3.28
    1000S162-97 (12 gauge, 2.41 Lbs./SF) B1@.051 SF 2.36 1.70 4.06
12" steel rafters, 12" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 3.12 Lbs./SF) B1@.066 SF 3.06 2.20 5.26
    1200S162-68 (14 gauge, 3.88 Lbs./SF) B1@.073 SF 3.80 2.43 6.23
    1200S162-97 (12 gauge, 5.43 Lbs./SF) B1@.080 SF 5.32 2.66 7.98
12" steel rafters, 16" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 2.36 Lbs./SF) B1@.053 SF 2.31 1.77 4.08
    1200S162-68 (14 gauge, 2.93 Lbs./SF) B1@.059 SF 2.87 1.97 4.84
    1200S162-97 (12 gauge, 4.09 Lbs./SF) B1@.064 SF 4.01 2.13 6.14
12" steel rafters, 24" OC, 1-5/8" flange
    1200S162-54 (16 gauge, 1.60 Lbs./SF) B1@.043 SF 1.57 1.43 3.00
    1200S162-68 (14 gauge, 1.98 Lbs./SF) B1@.047 SF 1.94 1.57 3.51
    1200S162-97 (12 gauge, 2.75 Lbs./SF) B1@.052 SF 2.70 1.73 4.43
Steel trimmers At floor openings, stairwells, skylights, dormers, etc. Consists of one C-shaped member nested in same size track. Labor includes layout, assembly and alignment. Figures in parentheses show weight of steel per linear foot of trimmer. Includes screws and minimal waste.
Using light-gauge steel framing materials [view picture] — Lb .98 — .98
3-1/2" steel trimmers, 1-5/8" flange
    350S162-33 (20 gauge, 1.76 Lbs./LF) B1@.020 LF 1.72 .67 2.39
    350S162-43 (18 gauge, 2.29 Lbs./LF) B1@.020 LF 2.24 .67 2.91
    350S162-54 (16 gauge, 2.85 Lbs./LF) B1@.022 LF 2.79 .73 3.52
    350S162-68 (14 gauge, 3.60 Lbs./LF) B1@.023 LF 3.53 .77 4.30
5-1/2" steel trimmers, 1-5/8" flange
    550S162-33 (20 gauge, 2.23 Lbs./LF) B1@.031 LF 2.19 1.03 3.22
    550S162-43 (18 gauge, 2.90 Lbs./LF) B1@.031 LF 2.84 1.03 3.87
    550S162-54 (16 gauge, 3.63 Lbs./LF) B1@.034 LF 3.56 1.13 4.69
    550S162-68 (14 gauge, 4.54 Lbs./LF) B1@.035 LF 4.45 1.17 5.62
8" steel trimmers, 1-5/8" flange
    800S162-33 (20 gauge, 2.82 Lbs./LF) B1@.042 LF 2.76 1.40 4.16
    800S162-43 (18 gauge, 3.67 Lbs./LF) B1@.042 LF 3.60 1.40 5.00
    800S162-54 (16 gauge, 4.59 Lbs./LF) B1@.046 LF 4.50 1.53 6.03
    800S162-68 (14 gauge, 5.75 Lbs./LF) B1@.047 LF 5.64 1.57 7.21
    800S162-97 (12 gauge, 8.13 Lbs./LF) B1@.048 LF 7.97 1.60 9.57
10" steel trimmers, 1-5/8" flange
    1000S162-43 (18 gauge, 4.28 Lbs./LF) B1@.052 LF 4.19 1.73 5.92
    1000S162-54 (16 gauge, 5.35 Lbs./LF) B1@.052 LF 5.24 1.73 6.97
    1000S162-68 (14 gauge, 6.72 Lbs./LF) B1@.057 LF 6.59 1.90 8.49
    1000S162-97 (12 gauge, 9.51 Lbs./LF) B1@.058 LF 9.32 1.93 11.25
12" steel trimmers, 1-5/8" flange
    1200S162-54 (16 gauge, 6.13 Lbs./LF) B1@.063 LF 6.01 2.10 8.11
    1200S162-68 (14 gauge, 7.69 Lbs./LF) B1@.066 LF 7.54 2.20 9.74
    1200S162-97 (12 gauge, 10.89 Lbs./LF) B1@.069 LF 10.70 2.30 13.00

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