J Band is a proprietary product. It is applied to a longitudinal joint before placing the top lift / driving surface. It is place by a special distributor in an 18” wide area at the joint. Both passes of the final wearing surface will be over about 9” of the J Band. This material will greatly reduce longitudinal joint deterioration. Here is a link to a minute video on the product. http://www.roadfabrics.com/videos/ ...more »
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