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Tritanial Granite

Part of Marshalls new Black Granite offering Tritanial Granite is a striking hard-wearing stone, ideal for modern landscape design.

This black stone is available in flamed, fine picked or polished finishes, an ideal granite to be used for smaller element paving either for the entire paving scheme or alternatively for stand out, detailing & borders.

It’s also suitable for other elements of your scheme such as kerbs, tactile, steps and water management.

It’s also suitable for other elements of your scheme such as kerbs, tactile, steps and water management if required for your specific project

Speak to a member of our team to receive technical and design assistance for your scheme.

  • High-quality
  • Durable granite
  • Rich Black tone
  • Several finishes available
  • Most suitable for smaller element paving
  • Suitable for trafficked areas and feature elements

Ethical Risk Index

This Radar diagram illustrates the level of ethical risk associated with a specific stone. Ethical risk is plotted against the 10 ten measures of the ERI, with each value drawn from reports produced by independent ethical auditors, engaged by Marshalls to provide non-biased and honest reporting into levels of risk in that supply chain.

Each of the 10 measure is designed to recognise different and discrete sources of ethical risk. This produces a bespoke, fit for purpose framework designed specifically for the requirements of the stone industry. The radar diagram itself also compares the Marshalls supply chain to the wider industry in that stone, giving users a working comparison of Marshalls supply chain to the industry average, in the opinion of the auditor.

  • Modern Slavery Act Awareness
  • Supply Chain Visibility
  • Income and Employment Security
  • Health & Safety
  • Employment Freely Chosen
  • Empowerment
  • Environmental
  • Governance
  • Corruption and Bribery
Ethical Risk Graph Image
  • Tritanial Granite
  • Cluster Score
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Price Range

  • £
  • £
  • £

Country of Origin


Certifications, Accreditations & Credentials

  • Accreditation Sustainability Icon 100  Recyclable Logo
  • Accreditation Stone Federation Logo
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