Category: Research and Studies

The J-Band Blog

In Case Studies , Research and Studies

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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July 23, 2024 by Olivia Kortepeter
In Case Studies , Research and Studies

VRAM Preserves US-50 with the help of Milestone Contractors and Evergreen Roadworks

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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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July 3, 2024 by Hannah McFarland
In Case Studies , Industry News , Research and Studies

A Materials Approach to Longitudinal Joint Construction

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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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June 25, 2024 by Hannah McFarland
In Case Studies , Research and Studies

Asphalt Materials & Evergreen Roadworks Work Together to Perform a Successful J-Band Project in Calumet, WI

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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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June 11, 2024 by Hannah McFarland
In Case Studies , Research and Studies

LJS Project is Successful in Effingham County, Illinois

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A void reducing asphalt membrane (VRAM), more commonly known as a longitudinal joint sealant (LJS), is gaining momentum in the state of Illinois.   At the time of road construction, VRAM is applied under the surface where the longitudinal joint will be placed. After placement of hot mix asphalt (HMA), the...
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May 23, 2024 by Hannah McFarland
In Industry News , Research and Studies

How to Test the Permeability of Your Roadway

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Have you ever wondered why your longitudinal joint is cracking and deteriorating over time? It’s probably because the pavement joint is highly permeable, which allows elements such as water and air to seep into the pavement and break it down. Pavement joints are traditionally hard areas to obtain density, leading...
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May 13, 2024 by Hannah McFarland