Bridging or blocking (cont.) Installed between 2" x 6" thru 2" x 12" joists. Costs shown are per each set of cross bridges or per each block for solid bridging, and include normal waste. The spacing between the bridging or blocking, sometimes called a “bay,” depends on job requirements. Labor costs assume bridging is cut to size on site.
  2" x 12" solid, Std & Btr [view picture]
    2" x 12" blocking, per MBF — MBF 707.00 — 707.00
    Joists on 12" centers B1@.057 Ea 1.55 1.90 3.45
    Joists on 16" centers B1@.057 Ea 2.07 1.90 3.97
    Joists on 20" centers B1@.057 Ea 2.59 1.90 4.49
    Joists on 24" centers B1@.057 Ea 3.11 1.90 5.01
  Steel, no nail type, cross [view picture]
    Snap-on joist bridging B1@.020 Ea 1.98 .67 2.65
Subflooring
Board sheathing, 1" x 6" #3 & Btr (1.18 BF per SF)
  Board sheathing, per MBF — MBF 2,270.00 — 2,270.00
  With 12% shrinkage, 5% waste & nails B1@.020 SF 2.68 .67 3.35
  Add for diagonal patterns B1@.001 SF .27 .03 .30
Plywood sheathing, CD standard exterior grade. Material costs shown include 5% for waste & fasteners
  3/8" B1@.011 SF .44 .37 .81
  1/2" B1@.012 SF .66 .40 1.06
  5/8" B1@.012 SF .57 .40 .97
  3/4" B1@.013 SF .69 .43 1.12
OSB sheathing, Material costs shown include 5% for waste & fasteners
  3/8" B1@.011 SF .40 .37 .77
  7/16" B1@.011 SF .36 .37 .73
  1/2" B1@.012 SF .49 .40 .89
  5/8" B1@.012 SF .51 .40 .91
  3/4" B1@.014 SF .59 .47 1.06
  7/8" B1@.014 SF 1.18 .47 1.65
  1" B1@.015 SF 1.71 .50 2.21
Engineered floating subfloor, 2' x 2' panels, trade name DRIcore, resilient engineered wood core with a water-resistant polyethylene membrane on the underside. www.dricore.com
  Per SF costs including 10% for waste B1@.020 SF 1.55 .67 2.22
Plates (Wall plates) Std & Btr, untreated. For pressure treated plates, see also Sill Plates in this section. Figures in parentheses indicate board feet per LF. Costs shown include 10% for waste and nails
  2" x 3" wall plates, per MBF — MBF 655.00 — 655.00
  2" x 4" wall plates, per MBF — MBF 605.00 — 605.00
  2" x 6" wall plates, per MBF — MBF 617.00 — 617.00
  2" x 8" wall plates, per MBF — MBF 598.00 — 598.00
  2" x 3" (.55 BF per LF) B1@.010 LF .40 .33 .73
  2" x 4" (.73 BF per LF) B1@.012 LF .49 .40 .89
  2" x 6" (1.10 BF per LF) B1@.018 LF .75 .60 1.35
  2" x 8" (1.40 BF per LF) B1@.020 LF .92 .67 1.59
Studding Per square foot of wall area. Do not subtract for openings less than 16' wide. Figures in parentheses indicate typical board feet per SF of wall area, measured on one side, and include normal waste. Add for each corner and partition from below. Costs include studding, nails. Add for plates from the section above and also, door and window opening framing, backing, let-in bracing, fire blocking, and sheathing for shear walls from the sections that follow. Labor includes layout, plumb and align.
2" x 3", Std & Btr [view picture]
  2" x 3" studs, 16" centers, per MBF — MBF 655.00 — 655.00
  12" centers (.55 BF per SF) B1@.024 SF .36 .80 1.16

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