Category: Case Studies

The J-Band Blog

J-Band Continues to Protect Harvard Road in Berkley, Michigan, 5+ Years After Application

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J-Band ®, an Asphalt Materials Inc. (AMI) product, has been proven to extend the lifespan of pavement by as much as five years. Developed by Heritage Research Group (HRG), J-Band is a Void Reducing Asphalt Membrane (VRAM) that, when applied before a hot mix asphalt (HMA), rises with heat, filling...
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J-Band Annual Review: Currie Road in Novi, Michigan Two Years Later

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Asphalt Materials Inc.’s (AMI) product, J-Band® is a void reducing asphalt membrane (VRAM) used to protect the road’s centerline joint. Applied before hot mix asphalt (HMA), J-Band migrates upwards once HMA is laid, filling air voids that could entrap air and water. These elements have the ability to significantly shorten...
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Paving the Future: Montana Highway 200

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Co-authors: Andrew Eicher & Naarah Holloway Road managers know that the longitudinal joint is the first part of the pavement to fail. As a road’s most permeable part, this joint is susceptible to the elements. Air and water work down through this gap causing the joint to deteriorate, crack and...
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How VRAM Enhanced the Durability of US-150 in Mansfield, IL 

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Since 2002, Asphalt Materials (AMI) has been committed to increasing the lifespan of roads as well as safety through its J-Band® product. J-Band® is a Void Reducing Asphalt Membrane (VRAM) that is applied on the eventual centerline joint, rising from the bottom up when a hot mix asphalt (HMA) is applied overtop. Our...
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Wiltshire Road in Oakland County Strengthened Using VRAM 

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Written by Naarah Holloway The longitudinal joint is the Achilles' heel of every paved road. When elements like water and air enter the longitudinal joint through air voids, the road condition can worsen quickly. This can lead to many issues such as potholing, rutting, cracking, and more.   Applying a...
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A Successful VRAM Application on IL-48

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Written by Naarah Holloway Everyone in the road construction industry knows that the longitudinal joint is often the first part of the pavement to fail. This is because the air voids in longitudinal joints make them more susceptible to elements such as air and water and dust than the rest of...
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