The good behaviour of asphalt reinforcement depend on 3 conditions :

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High quality resin to protect the glass fibers from damage by site plant during installation.

 

Wide apperture gives excellent bond and removes potential of creating a slip plan.

 

Higher elasticity modulus significantly higher than that of asphalt.

 

Appropriate mechanical resistance.
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High quality bitumen emulsion and good rate of spread.

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Installation process following installation instruction to insure the bond with the overlay.

Typically reinforcement glass geogrids are installed between two bond layers at times overlaying an existing road service.