The DGB20 roadbase from Valla Quarry is compliant with RMS specification 3051. DGB stands for “Densely Graded Base” and is a material used in a variety applications where a strong foundation is required, mostly commonly as a roadbase by the RMS, councils and in developments. Its the base of choice when a high level of compliance is required.
The Valla Quarry DGB20 is 20mm minus in size, meaning its 20mm down to dust in particle size. The base is created using an onsite Pugmill, which takes it through a process of mixing, wetting and compacting.