Used as a non-permeable sub-base for roads, paths, driveways, car parks and structural bases

Used as a non-permeable sub-base for roads, paths, driveways, car parks and structural bases, similar to Type 1 Primary

A permeable sub-base containing particles from 0mm - 40mm, typically used for driveways, permeable paving and patios

Ranging from 0mm-125mm particles, this can be used as a capping layer prior laying Type 1, also used for strengthening material for heavier applications such as piling

Ranging from 0mm-125mm particles, this can be used as a capping layer prior laying Type 1, also used for strengthening material for heavier applications such as piling, similar to 6F5 Primary

Ranging from 10mm-20mm with no fines, typically used for general drainage, surface dressings and mixing with sharp washed sand to make ballast

Ranging from 10mm-20mm particles, this is typically used for bedding of pipes, surface dressing, drainage trenches and for driveways

Ranging from 20mm-40mm particles, this is typically used for bedding of pipes with large diameter, soakaways, French drains and drainage trench fill

Typically used for drainage applications, soakaways and behind retaining walls