Fireblocks Installed in wood frame walls, per LF of wall to be blocked. Figures in parentheses indicate board feet of fire blocking per linear foot of wall including 10% waste. See also Bridging and Backing and Nailers in this section
2" x 3" blocking, Std & Btr
  2" x 3" fireblocks, 16" centers, per MBF — MBF 655.00 — 655.00
  12" OC members (.48 BF per LF) B1@.016 LF .31 .53 .84
  16" OC members (.50 BF per LF) B1@.015 LF .33 .50 .83
  20" OC members (.51 BF per LF) B1@.012 LF .33 .40 .73
  24" OC members (.52 BF per LF) B1@.010 LF .34 .33 .67
2" x 4" blocking, Std & Btr
  2" x 4" fireblocks, 16" centers, per MBF — MBF 605.00 — 605.00
  12" OC members (.64 BF per LF) B1@.020 LF .39 .67 1.06
  16" OC members (.67 BF per LF) B1@.015 LF .41 .50 .91
  20" OC members (.68 BF per LF) B1@.012 LF .41 .40 .81
  24" OC members (.69 BF per LF) B1@.010 LF .42 .33 .75
2" x 6" blocking, Std & Btr
  2" x 6" fireblocks, 24" centers, per MBF — MBF 617.00 — 617.00
  12" OC members (.96 BF per LF) B1@.021 LF .59 .70 1.29
  16" OC members (1.00 BF per LF) B1@.016 LF .62 .53 1.15
  20" OC members (1.02 BF per LF) B1@.012 LF .63 .40 1.03
  24" OC members (1.03 BF per LF) B1@.010 LF .64 .33 .97
Beams Std & Btr. Installed over wall openings and around floor, ceiling and roof openings or where a flush beam is called out in the plans, including 10% waste. Do not use these beams for door or window headers in framed walls, use door or window opening framing assemblies.
  2" x 6" beams, per MBF — MBF 617.00 — 617.00
  2" x 8" beams, per MBF — MBF 598.00 — 598.00
  2" x 10" beams, per MBF — MBF 630.00 — 630.00
  2" x 12" beams, per MBF — MBF 707.00 — 707.00
  4" x 6" beams, per MBF — MBF 856.00 — 856.00
  4" x 8", 10", 12", 14" beams, per MBF — MBF 920.00 — 920.00
  6" x 6", 8", 10", 12", 14" beams, per MBF — MBF 1,520.00 — 1,520.00
  2" x 6" (1.10 BF per LF) B1@.028 LF .68 .93 1.61
  2" x 8" (1.47 BF per LF) B1@.037 LF .88 1.23 2.11
  2" x 10" (1.83 BF per LF) B1@.046 LF 1.15 1.53 2.68
  2" x 12" (2.20 BF per LF) B1@.057 LF 1.55 1.90 3.45
  4" x 6" (2.20 BF per LF) B1@.057 LF 1.88 1.90 3.78
  4" x 8" (2.93 BF per LF) B1@.073 LF 2.70 2.43 5.13
  4" x 10" (3.67 BF per LF) B1@.094 LF 3.38 3.13 6.51
  4" x 12" (4.40 BF per LF) B1@.112 LF 4.05 3.73 7.78
  4" x 14" (5.13 BF per LF) B1@.115 LF 4.72 3.83 8.55
  6" x 6" (3.30 BF per LF) B1@.060 LF 5.02 2.00 7.02
  6" x 8" (4.40 BF per LF) B1@.080 LF 6.70 2.66 9.36
  6" x 10" (5.50 BF per LF) B1@.105 LF 8.37 3.50 11.87
  6" x 12" (6.60 BF per LF) B1@.115 LF 10.00 3.83 13.83
  6" x 14" (7.70 BF per LF) B1@.120 LF 11.70 4.00 15.70
Posts S4S, green. Posts not in wall framing. Material costs include 10% waste. For scheduling purposes, estimate that a two-man crew can complete 100 to 125 LF per 8-hour day.
  4" x 4", 4" x 6" posts, per MBF — MBF 839.00 — 839.00
  4" x 8" to 4" x 12" posts, per MBF — MBF 920.00 — 920.00
  6" x 6" to 8" x 12" posts, per MBF — MBF 1,520.00 — 1,520.00

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