About the material
Gravel is crushed stone that forms a strong load-bearing base under paving and foundations. It is also poured as a free-draining surface for paths and parking.
Where it is used
Sub-base under driveways and paths, and drainage backfill around the house.
Technical specifications
| Thermal conductivity | 0.4 W/(m·K) |
|---|---|
| Density | 1700 kg/m³ |
Typical reference values (SP 50.13330 / GOST); the actual figures depend on the manufacturer and grade.
