Farrar Multi

Petrographic Description: Hard, fine-grained sandstone without laminations. Predominantly Buff / Brown in colour, with some Steel Grey colouration from the heart of blocks. Beds are generally uniform in colour. From the detailed petrographic description, no deleterious materials that may adversely affect the technical performance of the stone were identified.

Other properties / description: Carries a clean, sharp arris. Very durable with exceptional weathering qualities.

Property Test Data Comments Flexural Strength Tested in accordance with BS EN 12372:1999 16.2 MPa Lowest Expected Value = 15.4 MPa Compressive Strength Tested in accordance with BS EN 1926:1999 113.3 MPa Lowest Expected Value = 96.6 MPa Water Absorption Tested in accordance with BS EN 1936:1999 3.24% Range = 3.05% ~ 3.30% Density Tested in accordance with BS EN 1936:1999 2361 kg / m³ Range = 2349 kg / m³ ~ 2377 kg / m³ Abrasion Tested in accordance with BS EN 1341:2001 ~ Annex C 20mm Range = 19mm ~ 21mm Skid Resistance Value (Dry) Tested in accordance with BS EN 1341:2001 ~ Annex D 112 ~ C scale Mean Unpolished Skid Resistance Values given in accordance with BS 7932:2003 Skid Resistance Value (Wet) Tested in accordance with BS EN 1341:2001 ~ Annex D 75 ~ C scale Mean Unpolished Skid Resistance Values given in accordance with BS 7932:2003 Frost Resistance (% change in Flexural Strength) Tested in accordance with BS EN 12371:2001 (Technological Test) -2.3% Tests indicate that failure due to frost action is unlikely Frost Resistance (% change in Compressive Strength) Tested in accordance with BS EN 12371:2001 (Technological Test) 2.5% Tests indicate that failure due to frost action is unlikely Frost Resistance (Visual Rating) Tested in accordance with BS EN 12371:2001 (Technological Test) 0 ~ 1 Tests indicate that failure due to frost action is unlikely

Please note that sandstone is a natural product and all results are subject to variation.

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