Approximate coverage per tonne;

6-10 mm 

Driveways/Walkways 18 sq metres

Garden beds 15-17 sq metres

10-16 mm

Driveways/Walkways 18 sq metres

Garden beds  15-17 sq metres

16-32 mm

Driveways/Walkways  18-20 sq metres

Garden beds 15 sq metres

32-50 mm

Garden beds approx 8-10 sq metres 

50mm + cobbles

Garden beds approx 8-10 sq metres