Blackwater Aggregates Bradwell Quarry, Church Road, Bradwell, CM77 8EP
Telephone: 01376 562460

Technical Information

To download your certificate for CE marking and CPR please click here.
If you require any further technical information or assistance please e-mail or phone us.
Grading information is also available on request.

Some of the CE/CPR Legislated European product names on the link above can be confusing! Please use the table below for the common equivalent product names.

Common Description European Technical Names
Mortar Use Concrete Use
6mm Shingle n/a 2/6.3 Gc 80/20
10mm Shingle n/a 4/10 Gc 85/20
20mm Shingle n/a 10/20 Gc 85/20
20-5mm Shingle n/a 4/20 Gc 90/15
40mm Shingle n/a 20/40 Gc 85/20
6mm Ballast n/a 0/6.3 Ga 90
10mm Ballast n/a 0/10 Ga 90
20mm All in Ballast n/a 0/20 Ga 90
Soft Washed Sand 0/2 FP 0/2 FP Gf 85
Sharp Washed Sand 0/4 MP 0/4 MP Gf 85
Dry Screened Building Sand 0/2 FP 0/2 FP Gf 85
Plastering Sand 0/2 FP n/a

Company Registration Number: 8016374   VAT Registration Number: 135945983
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