Category: Research and Studies

The J-Band Blog

A Safer Way: Eliminating Centerline Density Testing

Worker cut by the core sampler samples of asphalt concrete on the road. Asphalt concrete cores close-up
Road construction can be dangerous. Vehicles zoom past field workers at hazardous speeds. One of the riskiest places to be is near the centerline of a busy road. Quality control technicians have lost their lives when performing density tests at the joint. Unfortunately, density testing of the center longitudinal joint...
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IDOT Extends Infrastructure Dollars with LJS Project in Clay-Richland County, IL

Paving truck drives down the road spraying a thing band of asphalt on the centerline
When roads last longer, infrastructure dollars go further. Successful application of a void reducing asphalt membrane (VRAM), like Asphalt Material, Inc.’s J-Band®, not only extends the life of your pavement; it extends your budget.   VRAM works by filling challenging air voids in the centerline joint from the bottom up. When...
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J-Band Fortifies the Centerline of SR-41 in Adams County, OH

A large truck sprays a thing band of liquid asphalt on the right of a road centerline
Road experts agree that the most vulnerable part of pavement is the center longitudinal joint. When facing natural elements and tension stress, voids in the joint lead to cracking and deterioration. This is why a void reducing asphalt membrane (VRAM) is essential to maintaining roads.   Applied just prior to construction,...
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VRAM Preserves US-50 with the help of Milestone Contractors and Evergreen Roadworks

J-Band
Longitudinal joint cracking is a recurring problem that affects asphalt pavements. The resulting road deterioration causes issues for road construction engineers, applicators and the driving public in communities that surround the problematic roads.   J-Band®, Asphalt Materials’ void reducing asphalt membrane (VRAM) product helps mitigate this problem. VRAM significantly reduces air...
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A Materials Approach to Longitudinal Joint Construction

J-Band
Is it easy to find roads in poor condition in your county? Several factors can contribute to road deterioration over time, including the size of maintenance budgets, the extent of roadways an agency manages and the timing of preventative efforts. So how can different longitudinal joint construction methods help prevent...
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Asphalt Materials & Evergreen Roadworks Work Together to Perform a Successful J-Band Project in Calumet, WI

J-Band
Many road experts know that the first part of a pavement to fail is the longitudinal joint.  By using a void reducing asphalt membrane (VRAM) like J-Band®, you can extend the life of your road three fold.  J-Band is applied in a band (typically 18’’ wide) at the intended location...
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