| Material | Weights | |
|---|---|---|
| Acoustic Fiberboard (1") | 1.5 pounds per sq. ft. | |
| Acoustical Tile | 1 pound per sq. ft. | |
| Asphalt Shingles | 2.2 - 2.5 pounds per sq. ft. | |
| Brick, 4" thick | 40 pounds per square ft. | |
| Carpet & Pad | 1.5 pounds per sq. ft. | |
| Concrete | 150 pounds per cu. ft. | |
| Concrete (per 1" thickness) | 12.5 pounds per square ft. | |
| Concrete Block 8" | 36 pounds each | |
| Decking, 2" nominal | 4.3 pounds per sq. ft. | |
| Earth | 80-125 pounds per cu. ft. | |
| Flooring Hardwood (1" nominal) Carpet and pad Linoleum 3/4" Ceramic or Quarry tile with mortar bed |
4 pounds per sq. ft. 2 pounds per sq. ft. 1.5 pounds per sq. ft 16 pounds per sq. ft. |
|
| Framed Walls - 8 ft. high 2 x 4 @ 16" o.c. 2 x 4 @ 24" o.c. 2 x 6 @ 16" o.c. 2 x 6 @ 24" o.c. |
10.6 pounds per l ft. 8.9 pounds per l ft. 16.7 pounds per l ft. 14 pounds per l ft. |
|
| Gypsum Board 1/2" 4 x 8 | 70 pounds | |
| Gypsum Board 1/2" 4 x 12 | 105 pounds | |
| Gypsum Board 5/8" 4 x 8 | 85 pounds | |
| Gypsum Board 5/8" 4 x 12 | 130 pounds | |
| Gyp-crete (3/4" thickness) | 6.5 pounds per sq. ft. | |
| Lumber 2 x 4 x 8 2 x 6 x 8 2 x 8 x 8 2 x 10 x 8 2 x 12 x 8 |
9 pounds each 14 pounds each 18 pounds each 24 pounds each 29 pounds each |
|
| Masonry Walls 6", no grout 8", no grout 12", no grout 6", vertical cells solidly grouted 8", vertical cells solidly grouted 12", vertical cells solidly grouted 6", cells grouted 16" o.c. 8", cells grouted 16" o.c. 12", cells grouted 16" o.c. |
31 pounds per sq. ft. 35 pounds per sq. ft. 50 pounds per sq. ft. 56 pounds per sq. ft. 77 pounds per sq. ft. 118 pounds per sq. ft. 46 pounds per sq. ft. 60 pounds per sq. ft. 90 pounds per sq. ft. |
|
| Mineral Wool or Fiberglass (1" thick) | 0.05 pounds per sq. ft. | |
| Oriented Stran Board 3/8" 7/16" 1/2" 19/32" 23/32" |
45 pounds 48 pounds 55 pounds 64 pounds 74 pounds |
|
| Plywood - 4 x 8 sheets 3/8" 1/2" 3/4" |
38 pounds 50 pounds 75 pounds |
|
| Sand Dry Wet |
101 pounds per cu. ft. 120 pounds per cu. ft. |
|
| Snow Freshly Fallen Packed |
10 pounds per cu. ft. 30-50 pounds per cu. ft. |
|
| Suspended Acoustical Ceiling System | 2.5 pounds per sq. ft. | |
| Water | 62.5 pounds per cu. ft. | |
| Wood Shingles | 3 pounds per sq. ft. | |
| Wood Shakes | 4-6 pounds per sq. ft. | |
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| Lumber Division | ||||
|---|---|---|---|---|
| Nominal | Actual | |
Nominal | Actual |
| 1 x 2 1 x 3 1 x 4 1 x 6 1 x 8 1 x 10 |
3/4" x 1 1/2" 3/4" x 2 1/2" 3/4" x 3 1/2" 3/4" x 5 1/2" 3/4" x 7 1/4" 3/4" x 9 1/4" |
1 x 12 2 x 4 2 x 6 2 x 8 2 x 10 2 x 12 |
3/4" x 11 1/4" 1 1/2" x 3 1/2" 1 1/2" x 5 1/2" 1 1/2" x 7 1/4" 1 1/2" x 9 1/4" 1 1/2" x 11 1/4" |
|
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| Decimal Equivalents of Inches in Feet | ||||
|---|---|---|---|---|
| Inches | Decimal | |
Inches | Decimal |
| 1 2 3 4 5 6 |
0.08333 0.16667 0.25000 0.33333 0.41667 0.50000 |
7 8 9 10 11 12 |
0.58331 0.66667 0.75000 0.83333 0.91666 1.00000 |
|
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| R-Values of Various Materials | |||
|---|---|---|---|
| R-value: the key to insulation: R-value is the measurement of a material's ability to resist winter heat loss and summer heat gain. The higher the R-value, the greater the insulation value or resistance to heat flow. |
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|
| Insulation Values of Common Building Materials | ||
|---|---|---|
| Insulation Material | Kind | R-Value |
| Masonry | Brick, 4 inch face Common 4 inch Stone, Lime/Sand 1 inch Stucco 1 inch Concrete Block, 8 inch Concrete Block, 8 inch, cores filled |
0.44 0.80 0.08 0.20 1.04 1.93 |
| Concrete | Poured concrete 1 inch | 0.08 |
| Wood | Fir, Pine, Other soft woods 1 inch Maple Oak, other hard woods 1 inch Wood shavings or sawdust 1inch Plywood, 1/2 inch |
1.25 0.91 2.20 0.63 |
| Manufactured Wood Products |
Gypsum Board 1/2 inch Plywood, softwood, 1/4 inch Hardboard, underlayment 1/4 inch |
0.45 0.31 0.31 |
| Siding & Roofing | Asphalt roofing shingles Wood bevel siding 1/2 inch Building paper, felt 15# |
0.44 0.81 0.06 |
| Insulation | Glass fiber, batt 1 inch Blown cellulose 1 inch Expanded polystyrene 1 inch Expanded polyurethane 1 inch Extruded Polystyrene 1 inch (Styrofoam blue board) |
3.13 3.4 3.85 6.64 4.92 |
|
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| Various Types of Fiberglass Insulation | |||
| R-Value | Application(s) | Width | Thickness |
|---|---|---|---|
| R-11 | Interior Walls/Noise Control/Basement Walls | 15", 23" | 3.5" |
| R-13 | Exterior Walls/Basement Walls | 15", 23" | 3.5" |
| R-15 | Exterior Walls | 15" | 3.5" |
| R-19 | Attics/Exterior Walls/Crawl Spaces | 15", 23" | 6.25" |
| R-21 | Attics/Exterior Walls | 15", 23" | 5.5" |
| R-30 | Attics | 16", 24" | 9.5" |
| R-38 | Attics | 16", 24" | 12" |
| Note: Insulation comes both faced and unfaced, in rolls and batts. | |||
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| R-Values For Windows | |||
|---|---|---|---|
| Single glass | R .89 | ||
| Single glass with storm window | R 1.79 | ||
| Double-pane 1/2" insulating glass | R 1.73 | ||
| Modern energy efficient windows | R 3+ | ||
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| Weights & Measures | |||
|---|---|---|---|
| Commercial Weights | 437.5 grains = 1 ounce 7000 grains = 1 pound 16 ounces = 1 pound 2000 pounds = 1 ton |
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| Square Measure | 144 square inches = 1 sq. ft. 9 square feet = 1 sq. yd. 30 1/4 square yards = 1 sq. rod 272 1/4 square feet = 1 sq. rod 43,560 square feet = 1 acre |
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| Cubic Measure | 231 cubic inches = 1 gallon 1728 cubic inches = 1 cu. Ft. 27 cubic feet = 1 cu. Yd. |
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| Long Measure | 12 inches = 1 foot 3 feet = 1 yard 16 1/2 feet = 1 rod 320 rods = 1 mile 5280 feet = 1 mile |
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| Liquid Measure | 4 gills = 1 pint 2 pints = 1 quart 4 quarts = 1 gallon 31 1/2 gallons = 1 U.S. barrel |
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Doubling the diameter of a pipe increases its area four times. Doubling the diameter of a pipe increases its volume four times per unit of length. The side of a square equal in area to a given circle equals diameter x 0.8862. A gallon of water (U.S. standard) weighs 8 1/3 lbs. A cubic foot of water contains 7 1/2 gallons and weighs 62 1/2 lbs. |
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