Density of Common Building Materials per Cubic Foot
These values for density of some common building materials were collected from sites across the Internet and are generally in agreement with multiple sites. ... Gravel, with sand: 120 lb/ft 3: 1,920 kg/m 3: 3/8 inch Gypsum or Plaster Board: 1.56 lb/ft 2: 7.62 kg/m 2: 1/2 inch Gypsum or Plaster Board: 2.08 lb/ft 2: 10.2 kg/m 2: