4/10mm Hardstone
Hardstone
Description
Limestone/Granite quarried crushed rock containing particles ranging from 4mm to 10mm with no fines.
Uses & benefits
- Used where an angular material has been specified
- General drainage
- Surface dressings
- Mixing with sharp sand to make an all-in ballast for concrete where depth/compacted strengh is an issue
- When compacted it will hold together and allow water to pass through (percolate) the voids created by having no fines
*Picture is a guide, colour may differ