What is the application rate for ARMI layers?

The application rate for ARMI (Asphalt Rubber Membrane Interlayer) layers typically ranges from 0.6 to 0.8 gallons per square yard. This range is established based on the need for sufficient coverage to effectively bind the existing pavement to the new overlay, providing enhanced performance against cracking and moisture intrusion.

Using this application rate ensures that the ARMI layer effectively reduces reflective cracking and increases the overall durability of the pavement. It is crucial to apply within this specified range to avoid both under-application, which could lead to insufficient bonding and performance issues, and over-application, which could result in excess materials and unnecessary waste. This balance is important to achieve the optimal benefits of the ARMI layer in asphalt paving.