Building Trades Facts & Figures Pocket guide

1 Building TradesFacts & FiguresPocket guideTABLE OF CONTENTS 1111&72234455666666777888899999101010-12 1212121313131313141415-1617-20 Board Footage In Standard Units of Lumber Various Lengths ..Plywood Square Footage Table ..To Convert To Board Footage ..Board Footage Conversion ..Lumber Board Footage Table ..Minimum Dressed Sizes ..Standard Knotty Grades Western Red Cedar ..Standard Clear Grades Western Red Cedar ..Estimating Decks ..Coverage Estimator .. (Shiplap, T&G, S4S, Paneling Patterns, Bevel Siding)Recommended Minimum Stapling Schedule for Plywood.

2 Coverage Estimator (Clear Bevel Siding, Paneling) ..Drywall Needs ..Drywall Finishing ..Drywall Weights ..Slabs ..General Work ..Ready Mix Products ..Figuring Concrete Job Needs ..Siding, Overhang and Subfloor ..Rafter Lengths ..Lumber Weights ..Fence Components ..Plywood Thickness and Weights ..Rebar Weights ..Mill Plate Steel ..Roofing ..Hardware Cloth ..Electrical ..Motor Horsepower ..Flat Washers and Nuts ..Nail and Screw Data ..Square Measure ..Linear Measure ..Liquid Measure ..Diameter and Circumference ..Capacity of a Round Container.

3 Water and Water Pressure Weight ..Areas or Capacity of Shapes ..To Lay Out a Square Area or Forms ..Converting Fractions to a Decimal ..Metric Conversion Table ..Abbreviations of Terms ..Term Definitions ..Panel LengthPanel 36"Width 48" 60"144" 36 48 60132" 33 44 5560"15202572"18243084"21283596"24324010 8" 27 36 45120" 30 40 501To Convert To Board Footage:Multiply the lineal byBoard Size Multiplier Board Size Multiplier1 x 21 x 31 x 41 x 51 x 61 x 81 x 101 x 122 x 22 x 32 x 42 x 62 x 82 x 102 x 12.

4 X 25/4 x 35/4 x 45/4 x 65/4 x 85/4 x 105/4 x 124 x 44 x 64 x 84 x 104 x 124 x 144 x Footage Conversion:Thickness x width 12 = bd. ft. per lin. ft.( : 2x10 = 20, 20 12 = bd. ft. per lin. of 2x10.)Thickness x width x length 12 = bd. ft. per piece.( : 2x8 12' long = 2x8x12 = 192 12 = 16 bd. ft.)Board Footage in Standard Units of Lumber VariousLengths:Size* Length(Pieces per Unit) 8' 10' 12' 14' 16' 18' 20' Board Feet2x4 1,109 1,387 1,664 1,941 2,219 2,496 2,773(208)2x6 1,024 1,280 1,536 1,792 2,048 2,304 2,560(128)2x8 1,024 1,280 1,536 1,792 2,048 2,304 2,560(96)2x10 1,067 1,333 1,600 1,867 2,134 2,400 2,933(80)2x12 1,024 1,280 1,536 1,792 2,048 2,304 2,560(64)

5 * Nominal SizesPlywood Square Footage Tables:Length*Size*2x22 x32x42x62x82x102x121x21x31x41x51x61x81x1 01x12*NominalMinimum Dressed Sizes: Nominal Size Actual Size Metric Equivalent (to nearest whole mm)16'51/38102/316211/3262/33222/3451/36 2/38102/3131/31618'69128243036341/2671/2 912151820'62/310131/320262/3331/34031/35 62/381/310131/3162/32022'71/311142/32229 1/3362/34432/351/271/391/611142/3181/322 24'8121624324048468101216202426'82/31317 1/326341/3431/35241/361/282/3105/613171/ 3212/3266'234681012111/2221/234568'22/34 51/38102/3131/31611/3222/331/3451/362/38 10'31/3562/310131/3162/32012/321/231/345 1/362/381/31012'4681216202423456810 DimensionBoards

6 &FinishGreen40x4040x6540x9040x14340x1914 0x24140x29265x9090x9020x4020x6520x9020x1 1720x14320x19120x24120x29226x4033x40 Dry38x3838x6438x8938x14038x18438x23538x2 8664x8989x8919x3819x6419x8919x11419x1401 9x18419x23519x28625x3832x38* other widths same as : Metric sizes shown are merely equivalents, rounded to thenearest whole millimeter. They are not official sizes for use in anyconversion to metric Footage Table:2x22x32x42x62x82x102x123x4 etc.*4x4 etc.*1x21x31x41x51x61x81x101x125/4x2 etc.*6/4x4 etc.*Green19/16 x 19/1619/16 x 29/1619/16 x 39/1619/16 x 55/819/16 x 71/219/16 x 91/219/16 x 111/229/16x39/1639/16x39/1625/32 x 19/1625/32 x 29/1625/32 x 39/1625/32 x 45/825/32 x 55/825/32 x 71/225/32 x 91/225/32 x 111/211/32 x 19/1619/32 x 19/1614'42/3791/314182/3231/32821/331/24 2/355/6791/3112/314 Dry11/2 x 11/211/2 x 21/211/2 x 31/211/2 x 51/211/2 x 71/411/2 x 91/411/2 x 111/421/2 x 31/231/2 x 31/23/4 x 11/23/4 x 21/23/4 x 31/23/4 x 41/23/4 x 51/23/4 x 71/43/4 x 91/43/4 x 111/41x11/211/4x11/2 DescriptionFor fine knotty more

7 PronouncedCharacteristics and has occasionalcutouts in longer fine knotty larger and more numerouscharacteristics and hasoccasional fine appearance and includesknots and minor characteristics allowed toassure high degree of more characteristics larger and more numerousmarkings and knots; often yieldsshorter pieces of higher with manufacturer for structural Knotty Grades Western Red Cedar:GradeSelect KnottyQuality KnottySelect KnottyQuality KnottySelectMerchantableConstructionStan dardUtilityProprietaryProductBevelSiding Channel/Paneling/BoardsBoards/Commons/Fe ncingRadiusEdgeDeckingDimension/Timbers4 GradeClear VG( vertical grain )

8 A GradeB GradeRusticC GradeClearA GradeB GradeDescriptionFree of knots and imperfections foruse where the highest qualityappearance is some mixed grain andminor growth mixed grain , limiteddefects and occasional cutouts inlonger to A Grade, but graded fromsawn larger and more numerousdefects than A or B appearances with clearface, few minor for fine appear-ance. May include minor imperfec-tions, knots or growth defectsPermits somewhat larger and morefrequent defects, but may haveshort length of fine (kiln dried)Finish/Paneling(May bespecified incombina-tions suchas B & BtrEstimating Decks:Converting Sq.)

9 Ftg. to Lineal Ftg. including waste and x 2 (sq. ftg.) x = Lineal x 4 (sq. ftg.) x = Lineal x 6 (sq. ftg.) x = Lineal x 8 (sq. ftg.) x = Lineal Clear Grades Western Red Cedar:According to shingle LegLength ( at IntermediateMembers (in.)888888746 each way6 each way6 each waySpacing Around EntirePerimeter of Sheets (in.)44444442-1/23333 Coverage Estimator:The following estimator provides factors for determining the exactamount of material needed for the five basic types of wood panelingand siding. Multiply square footage to be covered by factor(length x width x factor.))

10 ShiplapTongue and GroveS4 SPaneling PatternsBevel SidingNote: Allowance for trim and waste should be Minimum Stapling Schedule for Plywood:All values are for 16 gauge galvanized wire staples having aminimum crown width of 3/8".PlywoodThickness (in.)Plywood wall sheathingwithout diagonal bracing 5/16 3/8 1/2 Plywood roof sheathing 5/16 3/8 1/2 Plywood subfloors 1/2 5/8 Plywood underlayment 1/4* 3/8 1/2 5/8 Asphalt shingles to plywoodstaples to have crown width of 3/4" min.