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Roadstone Duraflow Porous Asphalt has been designed for use as a surfacing solution for porous pavements and Sustainable Urban Drainage Systems (SUDS) applications. Duraflow has been designed to soak up surface water which then percolates into a stone sub base layer – Roadstone Permeabase. Duraflow surface course incorporates Polymer Modified Bitumen (PMB) and carefully selected high quality aggregates to maximize performance and durability.

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Key features and benefits

  • Sustainable Environmentally friendly solution to rainwater management
  • Reduces the need for permanent drainage, surface water sewers and balancing ponds
  • Quick to install
  • Drains the water quickly, eliminating standing water
  • Facilitates reuse of rain water
  • Available in a range of mixes
  • Made from local materials to the highest standards
  • 100% Recyclable

Technical specification

Produced in accordance with

  • IS EN 13108-7 Porous Asphalt
  • NSAI’s Standard Recommendation (SR) 28
  • IS EN 13108-20: Type Testing and IS EN13108-21: Factory Production Control

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