Window opening framing In wall studs, based on walls 8' in height. Costs shown are per window opening and include header of appropriate size, sub-sill plate (double sub-sill if opening is 8' wide or wider), double vertical studs each side of openings less than 8' wide (triple vertical studs each side of openings 8' wide or wider), top and bottom cripples, blocking, nails and normal waste. Figures in parentheses indicate header size.
  2" x 4" wall studs, Std & Btr, opening size shown is width of finished opening
    2" x 4" wall studs, per MBF — MBF 605.00 — 605.00
    4" x 4" and 4" x 6" headers, per MBF — MBF 856.00 — 856.00
    4" x 8", 10", 12" and 14" headers, per MBF — MBF 920.00 — 920.00
    To 2' wide (4" x 4" header) B1@1.00 Ea 16.80 33.30 50.10
    Over 2' to 3' wide (4" x 4" header) B1@1.17 Ea 21.00 39.00 60.00
    Over 3' to 4' wide (4" x 6" header) B1@1.45 Ea 26.10 48.30 74.40
    Over 4' to 5' wide (4" x 6" header) B1@1.73 Ea 29.30 57.60 86.90
    Over 5' to 6' wide (4" x 8" header) B1@2.01 Ea 36.50 67.00 103.50
    Over 6' to 7' wide (4" x 8" header) B1@2.29 Ea 46.20 76.30 122.50
    Over 7' to 8' wide (4" x 10" header) B1@2.57 Ea 56.10 85.60 141.70
    Over 8' to 10' wide (4" x 12" header) B1@2.57 Ea 70.90 85.60 156.50
    Over 10' to 12' wide (4" x 14" header) B1@2.85 Ea 92.70 94.90 187.60
    Add per foot of height for walls over 8' high — LF 2.42 — 2.42
  2" x 6" wall studs, Std & Btr, opening size as shown
    2" x 6" wall studs, per MBF — MBF 617.00 — 617.00
    4" x 4" and 6" x 4" headers, per MBF — MBF 856.00 — 856.00
    6" x 6", 8", 10", 12" and 14" headers, per MBF — MBF 1,520.00 — 1,520.00
    To 2' wide (4 x 4) B1@1.17 Ea 21.50 39.00 60.50
    Over 2' to 3' wide (6" x 4" header) B1@1.45 Ea 27.70 48.30 76.00
    Over 3' to 4' wide (6" x 6" header) B1@1.73 Ea 42.90 57.60 100.50
    Over 4' to 5' wide (6" x 6" header) B1@2.01 Ea 51.10 67.00 118.10
    Over 5' to 6' wide (6" x 8" header) B1@2.29 Ea 63.90 76.30 140.20
    Over 6' to 8' wide (6" x 10" header) B1@2.85 Ea 100.00 94.90 194.90
    Over 8' to 10' wide (6" x 12" header) B1@2.85 Ea 138.00 94.90 232.90
    Over 8' to 12' wide (6" x 14" header) B1@3.13 Ea 178.00 104.00 282.00
    Add per foot of height for 6" walls over 8' high — LF 3.70 — 3.70
Bracing See also sheathing for plywood bracing and shear panels
  Let-in wall bracing, using standard and better lumber [view picture]
    1" x 4" B1@.021 LF .65 .70 1.35
    1" x 6" B1@.027 LF .94 .90 1.84
    2" x 4" B1@.035 LF .40 1.17 1.57
  Steel strap bracing, 1-1/4" wide
    9'6" or 11'6" lengths B1@.010 LF .55 .33 .88
  Steel “V” bracing, 3/4" x 3/4"
    9'6" or 11'6" lengths B1@.010 LF .86 .33 1.19
  Temporary wood frame wall bracing, assumes salvage at 50% and 3 uses
    1" x 4" Std & Btr B1@.006 LF .16 .20 .36
    1" x 6" Std & Btr B1@.010 LF .24 .33 .57
    2" x 4" utility B1@.012 LF .10 .40 .50
    2" x 6" utility B1@.018 LF .15 .60 .75

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