Gris Sombrio - Granite Paving
Verified by manufacturer 2 months ago
Ethical Trading Initiative (ETI)
Certificate type
Federation Stone GB
Certificate type
ISO 9001 Quality Management
Certificate type
A grey and black granite rock with fine grain and granitic texture.
Application
Suitable for use in most hardscape applications, including pedestrian walkways and paths, town centres, roads and access roads with high vehicular usage. Used as paving sett, paving slab, kerbs, radius kerbs, drop kerbs, street furniture including benches, planters, boulders and bollards.
Description
A grey and black granite rock with fine grain and granitic texture.
Features and benefits:
- Extremely Durable
- Very dense and hardwearing
- Low Maintenance
- Huge range of sizes
- Multiple finishes
- Quarry location: Portugal.
General information
Color | Grey |
Finish | Sawn Flamed Polished Honed Other Guidance for specification option: Fine picked. |
Material | Granite |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | Q25/50 Natural stone slabs Q25/310 Natural stone slabs |
Specification data - Natural stone paving slabs
Standard | To BS EN 1341.Guidance for specification option: Where applicable, BS EN 1341/ 1342/ 1343 will be applied. |
Stone denomination | |
Petrological family | Granite.Guidance for specification option: Biotitic granite in accordance with BS EN 12407:2007. |
Colour | Grey and black. |
Origin | Portugal. |
Physical properties | |
Dimensions and associated tolerances | |
Nominal sizes | Manufacturer guidanceConsult manufacturer and insert requirements. |
Tolerances on plan dimension and thickness (nominal) | Class 2. |
Finish | Sawn.Flamed.Fine picked.Polished.Honed. |
Performance requirements | |
Slip resistance | Wet, 66; dry, 88. |
Water absorption (maximum) | 0.2%. |
CompressiveStrength | 164 MPa. |
Flexural strength | 21.3 MPa. Manufacturer guidanceUnder concentrated load. |
Material density | 2720 kg/m³. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Portugal |
Country of product manufacture | Portugal |
Material | Granite |
Third party certifications
Ethical Trading Initiative (ETI)
Ethical Stone Register
Federation Stone GB
Stone Federation Full Membership
ISO 9001 Quality Management
BS EN ISO 9001:2015
Literature
Gris Sombrio - Technical Data
Case studies
M8 Footbridge Glasgow