Asphalt Paving Fabric

Asphalt Paving Fabric

“Protective Membrane For Longer Pavement Life”

There has been a significant emphasis on the use of synthetic fabrics as reflective crack arrestors. These fabrics are either woven or non-woven fabrics of polyester, polypropylene, or nylon, and are applied in pavement overlays to increase the tensile strength, improve the waterproofing function of the overlay, and reduce the severity and extent of reflective cracking. These fabrics begin to be used as a treatment directly on the existing pavement, but have been used as reinforcement for the overlay by being placed at some point within the overlay to serve as a tensile load-carrying member.

Illowa Investment, Inc. currently installs “The Petromat System”, produced by Amoco Fabrics and Fibers Company. Petromat is a non-woven polypropylene fabric. When used in combination with an asphalt tack coat, the Petromat System forms an asphalt membrane interlayer within the pavement section. This layer acts as a barrier to surface water infiltration and limits softening of the subgrade and freeze-thaw damage, which could otherwise occur. The Petromat membrane interlayer absorbs stresses, improving resistance to pavement fatigue and reflective cracking. These combined Petromat functions have been widely shown to extend the life of asphalt cement concrete overlays and chip seal surface treatments. Petromat also promotes longer pavement life in new asphalt cement concrete pavements.

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