Project Parameters: Seal a 500-ft section with 1-2″ cracks in Tempe, AZ under a 2” HMA overlay with no swelling or paving interference. 

Cracks in the base asphalt layer routinely reflect through new overlays, leading to repeat closures, added cost, and reduced pavement life.

Agencies need a reliable way to treat cracks before an overlay without months-long wait times or swelling under hot mix. Traditional sealants often require extended cure times and still risk reactivation when paved over, especially in wide thermal cracks.

Enflex allows agencies to seal cracks and place an overlay within the same closure—without swelling, bubbling, or delaying paving operations.

Uses include:

• Pavement preservation projects requiring same-day crack sealing and overlay
• Roads with thermal cracking and wide structural cracks
• Arterial, collector, and airport pavements
• Overlays where agencies want to minimize closures and public disruption

Key Performance Points:

• No swelling or bubbling under hot mix asphalt
• No required wait time before overlay
• Suitable for large cracks without pooling
• Quick release to traffic—material cool enough to walk on within minutes
• No squeegeeing and no detack agent needed
• Reduced crew size and reduced exposure
• High tensile strength and cohesive polymer network prevent reactivation and movement