Density of Common Building Materials per Cubic Foot 10/4/08 1:56 PM Material Aluminum 171 lb/ft3 2,739 kg/m3 Asphalt, crushed 45 lb/ft3 721 kg/m3 Brick, common red 120 lb/ft3 1,920 kg/m3 Cast Iron 450 lb/ft3 7,208 kg/m3 Cement, Portland 94 lb/ft3 1,506 kg/m3 Concrete, Limestone w/Portland 148 lb/ft3 2,370 kg/m3 Concrete, Gravel 150 lb/ft3 2,400 kg/m3 Crushed Stone 100 lb/ft3 1,600 kg/m3 Earth, loam dry excavated 90 lb/ft3 1,440 kg/m3 Earth, packed 95 lb/ft3 1,520 kg/m3 Glass, window 161 lb/ft3 2580 kg/m3 Gravel, loose, dry 95 lb/ft3 1,520 kg/m3 Gravel, with sand 120 lb/ft3 1,920 kg/m3 3/8 inch Gypsum or Plaster Board 1.56 lb/ft2 7.62 kg/m2 1/2 inch Gypsum or Plaster Board 2.08 lb/ft2 10.2 kg/m2 5/8 inch Gypsum or Plaster Board 2.60 lb/ft2 12.7 kg/m2 Ice, crushed 37.0 lb/ft3 593 kg/m3 Ice, solid 57.4 lb/ft3 919 kg/m3 Limestone 171 lb/ft3 2,739 kg/m3 Marble, solid 160 lb/ft3 2,560 kg/m3 Mineral Fiber fiberglass Insulation 2.0 lb/ft3 32 kg/m3 Mud, packed 119 lb/ft3 1,906 kg/m3 Oyster Shells, ground 53 lb/ft3 849 kg/m3 Extruded Polystyrene Insulation 1.8 lb/ft3 29 kg/m3 Expanded Polystyrene Insulation 1.5 lb/ft3 24 kg/m3 Polyurethane Insulation 1.5 lb/ft3 24 kg/m3 Porcelain 150 lb/ft3 2,400 kg/m3 Sand, dry 100 lb/ft3 1,600 kg/m3 Snow, compacted 30 lb/ft3 480 kg/m3 Snow, freshly fallen 10 lb/ft3 160 kg/m3 Tar 72 lb/ft3 1,150 kg/m3 Vermiculite 40 lb/ft3 641 kg/m3 Water 62.4 lb/ft3 1,000 kg/m3 Wool 82 lb/ft3 1,310 kg/m3 Framing Lumber Douglas Fir 2X4 = 1.28 lb/linear ft 2X6 = 2.00 lb/linear ft 2X8 = 2.64 lb/linear ft 2X10 = 3.37 lb/linear ft 2X12 = 4.10 lb/linear ft 4X4 = 2.98 lb/linear ft 6X6 = 7.35 lb/linear ft 6X8 = 10.0 lb/linear ft 35 lb/ft3 561 kg/m3 4 inch Brick w/" mortar 42 lb/ft3 673 kg/m3 8 inch Concrete Block w/" mortar 55 lb/ft3 881 kg/m3 12 inch Concrete Block w/" mortar 80 lb/ft3 1,281 kg/m3 1/4 inch Plywood 0.710 lb/ft2 3.47 kg/m2 3/8 inch Plywood 1.06 lb/ft2 5.18 kg/m2 1/2 inch Plywood 1.42 lb/ft2 6.93 kg/m2 5/8 inch Plywood 1.77 lb/ft2 8.64 kg/m2 3/4 inch Plywood 2.13 lb/ft2 10.4 kg/m2 Asphalt Roofing Shingles 3.0 lb/ft2 15 kg/m2 1/4 in. Slate Shingles 10 lb/ft2 49 kg/m2 Aluminum Roofing 26 gauge 0.3 lb/ft2 1.5 kg/m2 Steel Roofing 29 gauge5 0.8 lb/ft2 3.9 kg/m2 Built-Up 3 Ply & Gravel Roofing 5.5 lb/ft2 27 kg/m2 Bank Sand 2,500 lb/yd3 1,483 kg/m3 Torpedo Sand 2,700 lb/yd3 1,602 kg/m3 Framing Steel 490 lb/ft3 7,849 kg/m3