imperial red porphyry

Imperial Red Porphyry

A strong red stone, Imperial Red Porphyry is suitable for both pedestrian or vehicular trafficked areas and available in flame textured, fine picked and polished finishes.

It is available for all product areas such as paving, setts, kerbs, tactile, steps, water management, street furniture or other bespoke specialised masonry items such as cladding or planters.

Once used to pave Roman roads throughout Europe, porphyry not only adds a striking aesthetic quality to a range of applications but is renowned for its hard-wearing qualities.

Alll Marshalls porphyrys are fully tested to the appropriate standards in the UK and where relevant are UKCA marked in accordance with the latest legislation.

  • Striking red stone
  • Suitable for trafficked and pedestrian areas
  • Flamed, fine picked and polished finishes
  • Hard-wearing, durable material
  • Available in a range of standard plan sizes
  • Bespoke size options can be accommodated upon request

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
  • Imperial Red Porphyry
  • 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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