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.


  • Roadtec RX-900 cold planer milling asphalt off road surface into truck

    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 (CIR)

    Cold in-place recycling (CIR) is a paving process where instead of applying all-new Hot Mix Asphalt (HMA), you treat remove and treat the existing asphalt with bituminous and/or chemical additives and then use it to pave the road. It normally involves a recycling train consisting of recycling agent tankers, a milling machine, an asphalt paver, and a combination of compaction equipment.

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