Sheathing, roof (cont.) Per SF of roof surface including 10% waste
    7/8" B1@.014 SF 1.23 .47 1.70
    1-1/8" B1@.015 SF 1.79 .50 2.29
  Add for hip roof B1@.007 SF — .23 .23
  Add for steep pitch or cut-up roof B1@.015 SF — .50 .50
Board sheathing, 1" x 6" or 1" x 8" utility T&G laid diagonal [view picture]
    1" utility T&G lumber, per MBF — MBF 2,060.00 — 2,060.00
    (1.13 BF per SF) B1@.026 SF 2.56 .87 3.43
    Add for hip roof B1@.007 SF — .23 .23
    Add for steep pitch or cut-up roof B1@.015 SF — .50 .50
Roof decking Std & Btr grade. See also Sheathing in this section. Flat, shed, or gable roofs to 5 in 12 slope (5/24 pitch). Figures in parentheses indicate board feet per SF of actual roof area (not roof plan area), including 5% waste.
  2" x 6", per MBF — MBF 617.00 — 617.00
  2" x 8", per MBF — MBF 598.00 — 598.00
  3" x 6", per MBF — MBF 657.00 — 657.00
  2" x 6" (2.28 BF per SF) B1@.043 SF 1.41 1.43 2.84
  2" x 8" (2.25 BF per SF) B1@.043 SF 1.36 1.43 2.79
  3" x 6" (3.43 BF per SF) B1@.047 SF 2.24 1.57 3.81
  Add for steep pitch or cut-up roof B1@.019 SF — .63 .63
Cant strips Std & Btr grade lumber
  2" x 4" beveled B1@.020 LF .67 .67 1.34
  For short or cut-up runs B1@.030 LF .67 1.00 1.67
Furring Per SF of surface area to be covered. Figures in parentheses show coverage including 7% waste, typical job.
  1" furring, per MBF — MBF 1,750.00 — 1,750.00
  Over masonry, Utility grade
    12" OC, 1" x 2" (.24 BF per SF) B1@.025 SF .42 .83 1.25
    16" OC, 1" x 2" (.20 BF per SF) B1@.020 SF .35 .67 1.02
    20" OC, 1" x 2" (.17 BF per SF) B1@.018 SF .30 .60 .90
    24" OC, 1" x 2" (.15 BF per SF) B1@.016 SF .26 .53 .79
    12" OC, 1" x 3" (.36 BF per SF) B1@.025 SF .63 .83 1.46
    16" OC, 1" x 3" (.29 BF per SF) B1@.020 SF .51 .67 1.18
    20" OC, 1" x 3" (.25 BF per SF) B1@.018 SF .44 .60 1.04
    24" OC, 1" x 3" (.22 BF per SF) B1@.016 SF .38 .53 .91
  Over wood frame, Utility grade
    12" OC, 1" x 2" (.24 BF per SF) B1@.016 SF .42 .53 .95
    16" OC, 1" x 2" (.20 BF per SF) B1@.013 SF .35 .43 .78
    20" OC, 1" x 2" (.17 BF per SF) B1@.011 SF .30 .37 .67
    24" OC, 1" x 2" (.15 BF per SF) B1@.010 SF .26 .33 .59
    12" OC, 1" x 3" (.36 BF per SF) B1@.016 SF .63 .53 1.16
    16" OC, 1" x 3" (.29 BF per SF) B1@.013 SF .51 .43 .94
    20" OC, 1" x 3" (.25 BF per SF) B1@.011 SF .44 .37 .81
    24" OC, 1" x 3" (.22 BF per SF) B1@.010 SF .38 .33 .71
  Over wood subfloor, Utility grade
    12" OC, 1" x 2" (.24 BF per SF) B1@.033 SF .42 1.10 1.52
    16" OC, 1" x 2" (.20 BF per SF) B1@.028 SF .35 .93 1.28
    20" OC, 1" x 2" (.17 BF per SF) B1@.024 SF .30 .80 1.10
    24" OC, 1" x 2" (.15 BF per SF) B1@.021 SF .26 .70 .96

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