GlasGrid

The GlasGrid® Pavement Reinforcement System provides additional support to resist the migration of reflective cracks in roadway applications. Manufactured by Saint-Gobain Technical Fabrics in Albion, New York, this interlayer system is composed of a series of fiberglass strands coated with an elastomeric polymer and formed into a grid structure. Each strand has a remarkably high tensile strength and high modulus of elasticity; this is particularly important as asphalt concrete typically cracks at low strains. This combination makes the GlasGrid System stronger than steel, pound for pound. When the GlasGrid System is “sandwiched” between the leveling and surface course asphalt in a conventional asphalt overlay, it becomes the hidden strength in the road – designed to turn vertical crack stresses horizontally and effectively dissipate them.


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