Summary
Portland stone for external paving.
Color
Cream, White, Grey
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Finish
Honed
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Material
Limestone
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Shape
Other, Formless, Circle, Oval, Triangle, Square, Rectangle, Rhombus, Trapezoid, Kite, Parallelogram, Pentagon, Hexagon, Octagon, Crescent
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Length
Bespoke
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Width
Bespoke
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Height
Bespoke
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Specification
Stone denomination
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Petrological family
Limestone.
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Colour
Creamy white.
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Name (traditional)
Portland stone.
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Origin
Jordans/ Bowers mine, Isle of Portland, UK.
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Performance requirements
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Slip resistance
PTV 76 (wet); 24 (dry).
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Breaking load
To BS EN 13364, 4667 N (75 mm); 1860 N (50 mm); 1191 N (40 mm); 667 N (30 mm).
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Water absorption (maximum)
To BS EN 13755, 9.76%.
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Additional properties
Compression strength
To BS EN 1962, 43.64 MPa.
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Flexural strength
To BS EN 13161, 3.01 MPa.
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Density
To BS EN 1936, 2198 kg/m³.
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Porosity
To BS EN 1936, 18.48%.
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Saturation coefficient
To BS EN 12370, 0.64.
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Abrasion resistance
To EN 14157, 23.63.
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Light reflectance
57.00 (mean value).
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Water absorption by capillarity
To BS EN 1925, 59.41 g/m².sec-².
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Thermal shock resistance
To BS EN 14066, 4.51%.
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Freeze thaw cycle
In accordance with EN 1341, 3.40 MPa.
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Sustainability data
Contains Red List materials
No
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Country of material origin
United Kingdom
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Country of product manufacture
United Kingdom
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Material
Limestone
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A1-A3 (production stage)
Embodied carbon as defined in BS EN 15804
Lower emissions
Normalised unit
0 kg CO₂ eq/kg
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Declared unit
0.04 kg CO₂ eq/kg
Self-declared
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Recyclability
100%
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Recycled content
0 %
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