Technical Data

We are committed to regularly testing the performance of our stone. For complete impartiality we appoint an independent testing house to carry out the prescribed tests in accordance with British and European Standards.

Test Data: Forest of Dean Pennant Sandstone

Forest of Dean Pennant Sandstone
Physical Properties Tested in accordance with British Standards Blue (Colour) Mixed (Colour)
Compressive Strength BS EN 1926 : 2006 91 MPa 87 MPa
Compressive Strength Post-freeze/thaw 56 cycles BS EN 12371  : 2010 109 MPa 105 MPa
Flexural Strength BS EN 12372 : 2006 15.5 MPa 15.0 MPa
Flexural Strength Post-freeze/thaw 56 cycles BS EN 12371 : 2010 12.9 MPa 12.0 MPa
Density BS EN 1936 : 2006 2416 kg/m3 2416 kg/m3
Water Absorption BS EN 13755 : 2008 2.60% 2.50%
Abrasion Resistance BS EN 14157 : 2004 20mm 18.5mm
Diamond sawn finish Mean SRV (wet) BS EN 14231 : 2013 80 83
Textured finish Mean SRV (wet) BS EN 14231 : 2013 89 94

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