G1 Sub-Base Material - 10 Cubic Meter Rail Ballast Colour: White / Grey (UV

Colour: White / Grey (UV stabilised)

292 GSM heavy-duty grade (not lightweight 200/250 GSM substitutes)

Pine Bark 50mm is graded & screened ground cover

of units per linear

Temporary & Permanent Works – Quick installation for both short-term formwork or long-life geotechnical solutions

G1 Sub-Base Material - 10 Cubic Meter Rail Ballast Colour: White / Grey (UVG1 Sub Base Material is primarily used in road construction. In order to achieve the required degree of particle interlock, the material for G1 has to be crushed from un weathered rock and no material other than from the parent rock may be used or added to correct the grading. The fines added may not have an LL exceeding 25 and a PI not exceeding 4. The nominal maximum size is 37. 5mm