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Verified by manufacturer 10 months ago
Portuguese basalt paving. Fine grained and dark grey in appearance.
Paving suitable for hard landscaping products.
A versatile, fine grained Portuguese igneous rock suitable for all kinds of hard landscaping products inc paving, setts, kerbs, benches.
Features and benefits:
Color | Grey Black |
Finish | Flamed Shot blasted Sawn Polished Manufacturer guidanceFlamed, fine picked, honed and polished finishes are available. |
Material | Stone Manufacturer guidanceBasalt |
Shape | Rectangle Square |
Length | Bespoke 100 mm 150 mm 200 mm 450 mm |
Width | Bespoke 200 mm 300 mm 450 mm 600 mm |
Height | Bespoke 50 mm 60 mm 70 mm |
Uniclass | |
CAWS | Q25/50 Natural stone slabs Q25/310 Natural stone slabs |
Classification data | |
Standard | To BS EN 1341. Guidance for specification option: Where applicable, BS EN 1341/ 1342/ 1343 will be applied. |
Stone denomination | |
Petrological family | Granite. |
Colour | Grey. |
Name (traditional) | Whinstone. |
Origin | Portugal. |
Physical properties | |
Dimensions and associated tolerances | |
Nominal sizes | 200 x 100 x 50 mm. 200 x 100 x 60 mm. 200 x 100 x 70 mm. 300 x 100 x 50 mm. 300 x 100 x 60 mm. 300 x 100 x 70 mm. 300 x 150 x 50 mm. 300 x 150 x 60 mm. 300 x 150 x 70 mm. 300 x 200 x 50 mm. 300 x 200 x 60 mm. 300 x 200 x 70 mm. 450 x 450 x 50 mm. 450 x 450 x 60 mm. 450 x 450 x 70 mm. 600 x 600 x 50 mm. 600 x 600 x 60 mm. 600 x 600 x 70 mm. 900 x 450 x 50 mm. 900 x 450 x 60 mm. 900 x 450 x 70 mm. 900 x 600 x 50 mm. 900 x 600 x 60 mm. 900 x 600 x 70 mm. Custom. Guidance for specification option: Custom sizes are available. Contact BBS or insert requirements. |
Tolerances on plan dimension and thickness (nominal) | Class 2. |
Finish | Flamed. Honed. Polished. Fine picked. |
Performance requirements | |
Slip resistance | Wet, 76; dry, 82. Guidance for specification option: (Flamed finish). |
Water absorption (maximum) | 0.3%. |
CompressiveStrength | 392 MPa. |
Flexural strength | 38.2 MPa. |
Material density | 3090 kg/m³ (typically). |
Abrasion resistance | 15.5%. |
Contains Red List materials | No |
Country of material origin | Portugal |
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