West-Can now provides the service of Cold In Place Asphalt Recycling. This is a full depth asphalt process where existing asphalt is cold milled to a depth of 150 to 175mm from a selected road. The material is sized over screen decks, weighed, and then mixed with controlled amounts of asphalt binder. The aggregate gradation can be modified by adding specifically sized stone into the process. All material is blended in a twin shaft pugmill for consistency and then placed on the newly milled surface as a cold windrow. It is then picked up, paved and compacted by a paving train that follows closely behind. The road rehabilitation is a continuous on-site moving process.

Cold In Place Asphalt Recycling is an extremely efficient method of rehabilitating deteriorating roadways. CIR recycling reuses the existing asphalt pavement asset, and results in a stable road at a total energy savings of 50 to 60% when compared to conventional construction methods. Our records show that we can consistently do the complete process for one litre of fuel per tonne of paved asphalt. This will become increasingly important when governments are looking for carbon credits or methods to meet Kyoto guidelines. In addition, this form of recycling conserves our depleting non-renewable resources of aggregates and petroleum products.

Today the process combines sophisticated engineering and testing procedures, microprocessor blending controls, specially formulated additives, and highly productive machinery to achieve both superior quality and economy.

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