Road Base, Sub Base Pathway Natural
Some projects restrict the use of Recycled Materials, and require VENM certifiion, so Quarried DGB and a DGS, or 75CSS are the usual materials used in these appliions. 75mm Crushed Sandstone is often used for fire trail appliions, whilst 20mm Crushed Sandstone or 20mm Pathway Pebble can be used for sandstone pathways around parks and new housing estates.