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Fine grained Caithness stone, dark in appearance.
Suitable for hard landscaping products such as paving, setts and kerbs.
Fine grained sandstone with a black / dark grey or brown tones.
Features and benefits:
Supply:
Cleaning and maintenance:
Use of mechanical cleaning, especially wire brushing, should be avoided as this will reduce, over time, skid resistance. Washing with clean water should be adequate but not pressure jetting as this could eventually remove the jointing material.
Color | Grey Brown Black |
Finish | Natural Anti-slip |
Material | Stone |
Shape | Square Rectangle |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | Q25/50 Natural stone slabs Q25/310 Natural stone slabs |
Standard | To BS EN 1341:2012, BS EN 1342:2012, BS EN 1343:2001. |
Stone denomination | - |
Petrological family | Mudstone. |
Colour | Black.Dark grey.Brown. |
Name (traditional) | Caithness. |
Origin | Scotland. |
Physical properties | - |
Dimensions and associated tolerances | - |
Nominal sizes | Custom.To customer specifications, contact manufacturer for details. |
Tolerances on plan dimension and thickness (nominal) | Class 2. |
Finish | Natural riven. |
Performance requirements | - |
Slip resistance | Wet, 62; dry, 70.TLR. |
Water absorption (maximum) | 0.2%. |
CompressiveStrength | 128 N/mm². |
Flexural strength | 37.2 MPa. |
Material density | 2684 kg/m³ (typically). |
Saturation coefficient | 0.98%. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
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