Adhesive agents are generally added to increase the strength between the aggregate and the bituminous binder.
2.
The adhesive agent acts as a chemical bond between the polyester fibers and the exterior coating and prevents fibers from wicking, or absorbing water into the scrim.
3.
The adhesive agent acts as a chemical bond between the polyester fibers and the exterior coating and also prevents wicking, or fibers absorbing water, which could result in freeze-thaw damage in the fabric.