Materials Densities
Aluminum 							170 psf
Copper 								556 pcf
Steel 								492 pcf
Tin 								459 pcf
Masonry, grout 							140 pcf
Masonry, brick 							100-130 pcf
Masonry, concrete 						85-135 pcf
Masonry, Ashlar 						140-165 pcf
Glass 								160 pcf 
Wood (approximately 10 percent moisture content) 2 
Spruce-pine-fir (g = 0.42) 					29 pcf		
Spruce-pine-fir, south (g = 0.36) 				25 pcf
Southern yellow pine (g = 0.55)					38 pcf
 Douglas fir-larch (g = 0.5)					34 pcf
 Hem-fir (g = 0.43) 						30 pcf
Mixed oak (g = 0.68) 						47 pcf
Hemlock Fir 							28 pcf
Redwood 							28 pcf
Western Hemlock 						32 pcf 

Water, fresh 							62.4 pcf
Water, sea 							64 pcf 
Ice 								57.2 pcf 
Structural wood panels 
-plywood							36 pcf						
- oriented strand board 					36 pcf
Gypsum board 							48 pcf
Gypsum, loose 							70 pcf

Stone 	
-Granite							96 pcf				
-Sandstone							82 pcf
					 
Clay 								63-110 pcf
Gravel 								104-120 pcf				
Gravel, dry 							105 pcf
Sand 								90-106 pcf
Sand, dry							90 pcf
 Silt								 78-108 pcf 
 Sand and Gravel 						100-120 pcf 

Hay, Moist 							12 pcf 
Paper 								50 pcf 
Slate							 	172 pcf 
Stone, Quarried 						82-107 pcf 
Terra Cotta 							72-120 pcf 
Concrete (normal weight with light reinforcement) 		145-150 pcf 
Cinder 								108 pcf 
Haydite 							90 pcf 
Slag 								132 pcf 
Stone (Incl. Gravel) 						144 pcf 
Light Aggregate, No n-Load Bearing 				25-50 pcf 
Light Aggregate, Load Bearing 					70-105 pcf 
Reinforced Cinder 						111 pcf 
Reinforced Slag 						138 pcf 
Reinforced Stone (Incl. Gravel) 				150 pcf 
Fiberboard, 1/2” 						0.75 pcf 
Gypsum Wallboard - 1/2” 					2.0 pcf 
Particleboard, 1/2” 						2.0 pcf 
Plywood, 1” 							3.0 pcf