Page 96 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 76

Purlins (Purling). Std & Btr, installed below roof rafters. Figures in parentheses indicate board feet per
LF including 5% waste.
2" x 4" (.70 BF per LF) B1@.012 LF 0.46 0.44 0.90
2" x 6" (1.05 BF per LF) B1@.017 LF 0.71 0.62 1.33
2" x 8" (1.40 BF per LF) B1@.023 LF 0.92 0.84 1.76
2" x 10" (1.75 BF per LF) B1@.027 LF 1.19 0.98 2.18
2" x 12" (2.10 BF per LF) B1@.030 LF 1.58 1.09 2.67
4" x 6" (2.10 BF per LF) B1@.034 LF 2.07 1.24 3.31
4" x 8" (2.80 BF per LF) B1@.045 LF 2.64 1.64 4.28

Dormer studs. Std & Btr, per square foot of wall area, including 10% waste.
2" x 4", (.84 BF per SF) B1@.033 SF 0.56 1.20 1.76

Roof trusses. 24" OC, any slope from 3 in 12 to 12 in 12, total height not to exceed 12' high from
bottom chord to highest point on truss. Prices for trusses over 12' high will be up to 100% higher.
Square foot (SF) costs, where shown, are per square foot of roof area to be covered.
Scissor truss
2" x 4" top and bottom chords
Up to 38' span B1@.022 SF 3.12 0.80 3.92
40' to 50' span B1@.028 SF 3.90 1.02 4.92
Fink truss W (conventional roof truss)
2" x 4" top and bottom chords
Up to 38' span B1@.017 SF 2.71 0.62 3.33
40' to 50' span B1@.022 SF 3.27 0.80 4.07
2" x 6" top and bottom chords
Up to 38' span B1@.020 SF 3.35 0.73 4.08
40' to 50' span B1@.026 SF 4.03 0.95 4.98
Truss with gable fill at 16" OC
28' span, 5 in 12 slope B1@.958 Ea 225.23 34.92 260.15
32' span, 5 in 12 slope B1@1.26 Ea 276.74 45.93 322.67
40' span, 5 in 12 slope B1@1.73 Ea 389.86 63.06 452.92

Roof truss repairs.
Repair splits in 2" x 6" diagonal or 2" x 6" vertical member by installing five prefabricated clamps
per truss B1@.492 Ea -- 17.93 17.93
Repair splits at various locations by installing splice plates
per splice plate B1@.104 Ea -- 3.79 3.79
Repair splits in bottom chord by installing two prefabricated clamps near joints, drill holes to arrest split
per truss B1@.280 Ea -- 10.21 10.21
Repair split ends in 2" x 6" bottom chord by installing splice plate and four 1/2" stitch bolts
per truss B1@.617 Ea -- 22.49 22.49
Repair vertical compression in 2" x 4" member by scabbing pieces to each side and bolting
per scab repair B1@1.00 Ea -- 36.45 36.45

Fascia board. Installed on roof eaves working at 8' height from ladders.
Pry off nailed fascia and drop debris to the ground
per linear foot of fascia B1@.007 LF -- 0.26 0.26
Install 1" x 6" fascia board by nailing at roof eaves
per linear foot of fascia B1@.044 LF 1.30 1.60 2.91
Remove and replace fascia board at roof eaves
per linear foot of fascia B1@.051 LF 1.76 1.86 3.62
Add for heights to 20', per linear foot B1@.015 LF -- 0.55 0.55