Products
Crushed, graded andesite for the railway track bed.
Graded crushed stone · Track bed
Crushed andesite sand below 6 mm for concrete and mortar.
Fine aggregate · < 6 mm
Crushed andesite gravel, 6 to 12 mm.
Coarse aggregate · 6–12 mm
Crushed andesite gravel, 12 to 25 mm.
Coarse aggregate · 12–25 mm
Well-graded sand-and-gravel mix for road base and sub-base.
Graded mix · Road base / sub-base
