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    Asphalt Milling

    Asphalt MillingAsphalt milling is used to remove ½” – 4+” prior to installing a new 1 1/2" - 2” asphalt overlay.

    Benefits of Asphalt Milling:

    • Allows a 6” curb reveal after resurfacing (Some code requirements dictate that there must be a minimum concrete curb reveal to prevent trip & falls)
    • Is utilized for efficient removal of damaged asphalt and/or base material to prepare the identified areas for installation of either new sub-base stone or binder asphalt prior to installing the asphalt overlay
    • Is extremely effective for drainage correction and surface profiling to remove irregularities
    • Is utilized for removal of failed asphalt mix that has hairline cracks prior to installing the asphalt overlay

    Important Note:

    Asphalt milling will NOT prevent reflective cracking if there is cracks in the base layer of asphalt or if there is vertical movement in the asphalt base layer from unstable subgrade. Some asphalt contractors will lead you to believe milling the surface layer of asphalt in a badly cracked / deteriorated parking lot will prevent reflective cracking.. This is NOT accurate. In some instances, the top 1 ½” – 2” overlay in the past may have cracked from either insufficient thickness for the traffic design (ie: Installing a 1” asphalt overlay in a heavy truck area), the asphalt may have been installed when it was cold and the property compaction was not achieved or the asphalt mix was defective. In these cases, after milling and sweeping the lot, if the base layer does not show signs of cracks, the new overlay will not have reflective cracking (As long as it is installed at the proper thickness for the traffic design). If after milling and sweeping cracks are evident in the base layer of asphalt, the only application to prevent reflective cracking is to install a geotextile paving fabric as mentioned above.

    Asphalt Milling

    Here is an example after milling where cracks are still present in the base layer of asphalt.

     



     

     

    Top 5 Benefits Of Asphalt Milling Your Your Parking Lot Before Paving
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      Milled parking lot being paved while the WaWa store remains operational
       
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      Overnight milling project to work around the banks operating hours 
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      Miller grinding asphalt to a depth of 2"
    • South_Jersey_Paving_Company_1.jpg
      Milled parking lot being paved with 2" of NJDOT I-5 Hot Mix Asphalt
    • Parking_Lot_Milling_3.jpg
      Front drive lane being milled early in the morning followed by paving crew to minimize impact to the stores operations
       
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      Broom sweeper cleaning up behind milling machine

    How much does it cost to mill an asphalt parking lot?

    The average cost to mill an asphalt parking lot in NJ, PA, DE & MD is $0.35 - $0.60 per square foot.  The cost is dictated by the following:

    • Size of the project
    • Dimentions of the parking lot and obstructions (ie: Landscape Islands, Utility Structures, Entrance / Exits etc)
    • Cost to legally dispose of millings (Clean fill location to dump for free v. paying $8.00 - $20.00 ton to tip off at a recycling facility)
    • Day, Night or Weekend Project