Cold In-Place Recycling (CIR)


The CIR Additive System is used in the cold in-place recycling of asphalt pavement in the repair and rehabilitation of asphalt-paved roads. The system is used to transfer, measure, and inject either emulsion or foamed asphalt to the cutter housing of the milling machine. The additive is then thoroughly blended with the milled material and transferred for paving.

The RX-700 and RX-900 cold planers are available with bolt-on packages that equip them for cold in-place recycling projects. With bi-directional functionality, these machines can easily down cut for better material sizing.


  • Asphalt Milling

    Asphalt milling, also known as cold planing, is the removal of top layers of an asphalt surface to provide an improved surface for repaving. It is a cost-effective and sustainable process that can be repeated as needed. 
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  • Cold-in-Place Recycling

    Cold-in-place recycling (CIR) involves removing a portion of existing asphalt pavement with a cold planer (asphalt mill). The milled asphalt is mixed with additives and the surface is repaved using the recycled asphalt mixture. Instead of applying all new hot mix asphalt, CIR producers remove and treat the existing asphalt with bituminous and/or chemical additives, and then use that remixed asphalt to pave the road.

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