Summary
Portland stone for internal facades and cladding.
Color
Cream, White, Grey
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Finish
Honed
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Material
Limestone
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Shape
Circle, Oval, Triangle, Square, Rectangle, Rhombus, Trapezoid, Trapezium, Kite, Parallelogram, Pentagon, Hexagon, Octagon, Crescent, Formless, Other
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Length
Bespoke
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Width
Bespoke
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Height
Bespoke
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Specification
Stone slabs
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Standards
To BS EN 1469: 2004.
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Stone type
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Name (traditional)
Portland stone.
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Petrological family
Limestone.
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Colour
Creamy white.
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Origin
Bowers Quarry, Isle of Portland, UK.
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Thickness (minimum)
To BS 8298, 12 mm.
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Additional properties
Compression strength
To BS EN 1962, 43.02 MPa.
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Flexural strength
To BS EN 13161, 4.07 MPa.
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Density
To BS EN 1936, 2191 kg/m³.
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Porosity
To BS EN 1936, 17.58%.
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Saturation coefficient
To BS EN 12370, 2.88%.
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Light reflectance
57.00 (mean value).
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Breaking load
To BS EN 13364, 4032 N.
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Water absorption (maximum)
To BS EN 13755, 6.02%.
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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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