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How to Figure a Bill of Materials. Materials Being Used. Spacing = 16”oc. 45. 30. Floor . Materials 2x12x16’s ¾” Plywood Equations Distance x 12/Spacing + 1 Area/32 End Caps . 45. 30. Floor . 2x12x16’s Distance x 12/spacing + 1 45x12/16+1= 34.75 = 35

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floor
Floor
  • Materials
    • 2x12x16’s
    • ¾” Plywood
  • Equations
    • Distance x 12/Spacing + 1
    • Area/32
    • End Caps

45

30

floor1
Floor
  • 2x12x16’s
    • Distance x 12/spacing + 1
    • 45x12/16+1=
    • 34.75 = 35
    • But a 16’ Board will not reach 30’
    • 35 x 2= 70
  • End Caps
    • Length x 2/board length
    • 45x2/16
    • 5.63 = 6
  • Plywood
    • Area/32
    • 45 x 30/32
    • 42.2 = 43

45

30

walls
Walls
  • Materials
    • 2x4x8 Studs
    • 2x4x16
    • ½” OSB
  • Equations
    • Distance x 12/Spacing + 1
    • Area/32
    • Sills/Top Plate

45

30

slide7
Wall
  • 2x4x8 Studs
    • Distance x 12/spacing +1
    • 45x12/16+1
      • 34.75 = 35x 2= 70
    • 30x12/16+1
      • 23.5= 24x2= 48
  • 2x4x16
    • (Length x 2/ Board length)x3
    • (45+30)x2/16
      • 9.4 = 10 x3= 30

45

30

slide8
Wall
  • OSB
    • Area/ 32
    • Wall Height
    • 45x8/32
      • 11.25= 12 x 2 = 24
    • 30x8/32
      • 7.5 = 8 x 2 = 16
    • Total Sheets
      • 24+16= 40

45

30

slide9
Roof
  • Materials
    • Trusses
  • Equations
      • Distance x 12/Spacing + 1
  • Trusses
    • 45x12/16+1
      • 35

45

30

slide10
Roof
  • Materials
    • ½” OSB
    • Shingles
  • Equations
    • Pythagorean Theorem
    • Area/32
    • Area/100

Height= 8’

36’

roofing
Roofing
  • OSB
    • Pythagorean Theorem
      • (8x8)+(18x18)=(CxC)
      • 64+324
      • 388
      • 19.7= 20
    • Area/32
      • 20x45/32
      • 28.1= 29 x2=28

Height= 8’

36’

roofing1
Roofing
  • Shingles
    • 45 x 20/100
    • 9 x 2
    • 18 Bundles
    • Shingles are sold in bundles that cover 10’ x 10’

Height= 8’

36’

drywall
Drywall
  • Materials
    • 4x12 Drywall
  • Equations
    • Area/48
  • Problem
    • 45x8/48
      • 7.5 = 8
    • 30x8/48
      • 5
    • 45x30/48
      • 28.2= 29
    • 29+5+8=

45

30

slide14
Tile
  • Materials
    • 12” Tile
    • 10 Tile/Box
  • Equations
    • Area/ Coverage Area
    • 45x30/1
    • 1350
    • 1350/10
    • 135 Boxes

45

30