Barnhill Quarry
is situated in the heart of the Forest of Dean and has extensive reserves
of a fine to medium grained sandstone from the Coal measures of the Carboniferous
age. Colours vary from Blue Grey to Grey Green which can be used for most
building applications.
Specifications of Royal
Forest Blue / Grey
| Geological Type |
Sandstone |
| Colour / Texture |
Blue Grey - Grey Green |
| Availability |
Up to 5000 tons per annum |
| Maximum Sizes |
Height = 1000mm : Length = 2000mm
Width = 2000mm |
Internal & External
Paving Module Sizes |
Random Lengths (350mm - 850mm)
50mm thick
Modular widths 300 : 450 : 600mm |
| Ashlar Sizes |
Max bed height up to 900mm subject to CDM regulations. |
Physical Properties of Royal Forest Blue / Grey
| Compressive Strength (Parallel) |
Dry 110 MPa |
| Bulk Specific Gravity |
2419 Kg/m³ |
| Water Absorbtion |
2.3% |
| Porosity |
9.24% |
| Saturation Coefficient |
0.59% |
| Flexural Strength (Dry) |
12.6 Mpa |
| Slip Resistance |
Dry 74 USVR
Wet 68 USVR |
| Abrasion Resistance |
21.3mm |
| Stone |
Forest of Dean: Royal Blue / Grey |
| Supplier |
Forest of Dean Stone Firms Ltd. |
The information given is for guidance only and is subject to alteration
without notice. We recommend customers contact us to ensure details are
currently valid.
Test results may not be representative of the whole quarry and are provided
for comparison.
PDF Downloads
You can download information for specific products in PDF format from
the list below:
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