Longitudinal joint performance from the bottom up.

J-Band sets the standard as a Void Reducing Asphalt Membrane (VRAM) or Longitudinal Joint Sealant (LJS). But unlike other treatments, it significantly reduces air voids in longitudinal joints from the bottom up – literally. This not only extends the life of the joint, but improves the performance of the entire pavement.

A solution more than a decade in the making.

Longitudinal joint cracking has long been a problem for not just engineers and applicators, but the communities they live in. Thanks to collaboration between state transportation agencies, industry experts at Asphalt Materials, Inc., and the leading-edge laboratories at Heritage Research Group, it’s easier than ever to preserve your investment.

The Winning Formula

J-Band isn’t just any pavement product. This first-of-its-kind technology is the result of 15 years of developing and testing.

Efficient Application

Even though it’s a new way of doing things, J-Band is applied immediately prior to paving, as part of the normal HMA construction process. Using J-Band now prevents required maintenance later.

Wide Coverage

Using an inline parallel spray bar, J-Band covers an area 12 or 18 inches wide on top of existing pavement and under the eventual location of the longitudinal joint.

Fast Acting

In no more than 30 minutes after applying J-Band, the road is ready for construction traffic, keeping the installation process efficient and traffic flowing.

Upward Moving 

Unlike other joint treatments, J-Band migrates upward, filling voids and fending off the joint’s enemies: air and water.

Long Lasting

J-Band is proven to extend the life of your pavement’s longitudinal joint three-fold, from the usual 4-5 years without J-Band —to 15+ years with J-Band.

Money Saving

J-Band is a long-term proposition. On the average roadway, every $1 invested in J-Band typically saves agencies $2 in avoided and deferred maintenance costs.

Raise the bar on the road ahead.

Contact us to learn more about J-Band

Innovating Starts Here