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Mistral Priora Permeable Paving

A striking, contemporary surface option which offers excellent drainage without the need for drainage channels, Marshalls’ market-leading Priora system has been proven over 15 years of successfully installed projects.

The patented nib on the edge of the Priora blocks creates voids through which water falls into a specially prepared sub-base. The nibs interlock to enhance surface stability, with tests showing they provide 40% more interlock than our standard block.

The result is maximum structural integrity as well as unsurpassed SuDS performance. Provided the sub-base is installed to Marshalls’ specification, Mistral Priora is suitable for all loading requirements. It means that specifying Marshalls Priora blocks will bring long-term benefits in relation to pavement longevity and maintenance requirements.

Available in 3 different colours of Charcoal, Harvest Buff and Silver Grey, the exposed granite aggregates in the textured surface make Mistral Priora the first choice SuDS solution for modern developments and contemporary public spaces.
Random Course or Herringbone patterns are achievable, and must be stated at the time of order.


  • Market-leading SuDS performance
  • Patented nibs provide 40% more interlock
  • Suitable for all loading requirements
  • Available in 3 colour options
  • Striking, contemporary paving system

Price Range

  • £
  • £
  • £

Maximum Loading Rating

Category 9 - 4 to 8 msa

NBSPlus Codes

Q24 115

Carbon Footprint

From 34 kg CO2 per m2

marshalls mistral priora silver grey london

Certification Logos and Accreditations

  • Accreditation BSB Blue Stamp 2018 Logo
  • Accreditation BSI Assurance Mark OHS 18001 KEYB Logo
  • Accreditation BSI Assurance Mark ISO 14001 KEYB Logo
  • Accreditation BSI Assurance Mark ISO 9001 KEYB Logo
  • Accreditation GlobalCompact Logo
  • Accreditation eti logo Logo
  • Accreditation Made in Britain Logo
  • Accreditation BES 6001 Logo
  • Accreditation Living wage Logo
  • Accreditation Fair Tax logo Logo
  • Accreditation Business in the community logo Logo
  • Accreditation Mind logo Logo
240 x 160
160 x 160
160 x 120
Product Name ID Plan Size (mm) Length (mm) Width (mm) Depth (mm) Approx. Unit Weight (kg) Approx. Pack Weight (kg) Pack Size (m²) Finish Permeability L/S/H Made to Stock / Made to Order Carbon Footprint
Mistral Priora 240 x 160 x 80 Silver Grey PV5726300 240 x 160 240 160 80 7 1246 6.7 Textured 14295 Made To Stock 34 kg CO2
Mistral Priora 160 x 120 x 80 Silver Grey PV5726350 120 x 160 160 120 80 3.5 1086 6.7 Textured 14381 Made To Stock 34 kg CO2
Mistral Priora 160 x 160 x 80 Silver Grey PV5726400 160 x 160 160 160 80 4.7 1168 7.2 Textured 14338 Made To Stock 34 kg CO2
Mistral Priora 240 x 160 x 80 Charcoal PV5728300 240 x 160 240 160 80 7 1246 6.7 Textured 14295 Made To Stock 34 kg CO2
Mistral Priora 160 x 120 x 80 Charcoal PV5728350 120 x 160 160 120 80 3.5 1086 6.7 Textured 14381 Made To Stock 34 kg CO2
Mistral Priora 160 x 160 x 80 Charcoal PV5728400 160 x 160 160 160 80 4.7 1168 7.2 Textured 14338 Made To Stock 34 kg CO2