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OCL’s range of cold-lay asphalt surfacing materials use up to 94% recycled aggregates

Foamed bitumen products have been in use since the 1950s in Canada, Australia and South America.

Our cold-lay surfacing materials utilise 94% recycled aggregates bound with foamed bitumen and other hydraulic binders.We use foamed bitumen because it:

  • Increases the overall strength and performance of construction materials
  • Can be used with different types of aggregates
  • Can be stored for long
  • Reduces the cost of transportation
  • Resistant to different weather conditions
  • Does not affect the environment
  • Improves durability as well as moisture susceptibility

Because of these characteristic of this binding agent – foamed bitumen, our asphalt surfacing materials last longer and perform well.

OCL Regeneration Ltd produces two core Foambase™ products and Emulsion based binders for semi-flexible road bases and base courses – the design and material content of these products may be adjusted to meet varying specification requirement.

Storage Grade Foambase™

  • A material that remains granular and workable for up to 90 days. There is no wastage as material remains workable until compaction takes place, when an impermeable, semi-flexible, pavement is created.
  • Approved as a general purpose base course material suitable for haunching, footpaths, car parks and lightly trafficked roads.

Structural Grade Foambase™

  • A material which must be laid within 6-8 hours of manufacture as the active ingredient is Ordinary Portland Cement, which gives a more rapid set in addition to structural strength
  • Accepted as a DBM50 equivalent material which has been successfully applied on motorways, trunk roads, airfields and heavy industrial applications.

Emulsion base binders and surface courses

  • Emulsions are now able to use recycled aggregates. All emulsion products use an emulsified bitumen that coats all aggregates in the mix.
  • Emulsions are approved by HAUC/HAPAS for use in light applications and reinstatement work.