fill material
- gravelLoose small rock fragments
- sandFine rock particles
- dirtLoose dry earth
- rubbleBroken building fragments
- aggregateCombined sum total
backfill · compacted · foundation · padding · stuffing · insulation · foam · batting · cushioning · topsoil · clay · embankment · leveling · bedding · substrate · packing · trench · construction
structural function
fill materialvoid
Without legal effect
empty space · cavity · hollow · air gap · excavation