Description
A clean, coarse aggregate commonly based on a 10/20mm grading, used for drainage and pipe surround where a larger bedding stone is permitted.
A clean, coarse aggregate commonly based on a 10/20mm grading, used for drainage and pipe surround where a larger bedding stone is permitted.
Pipe bedding and surround, drainage trenches, filter layers and utility works.
Suitability depends on pipe material, diameter and the contract specification. Confirm declared grading.