Mastic Surface Treatment – Onyx®


Onyx® is a “Mastic Surface Treatment”. Onyx®, through quality control and quality assurance, yields excellent frictional characteristics achieved from improving micro-texture on a variety of Asphalt Surfaces or by locking down loose aggregate and eliminating dust associated with Chip Seal Surfaces.


Onyx®, installed at 0.25-0.30 gallons/square yard, is a mixture of polymer modified asphalt emulsion, quality “fine” aggregate, dark color enhancers, recycled materials and catalysts. Onyx® is designed to protect your investment, minimize the costs of future maintenance treatments and get traffic back on the roadways more quickly.


  • Speed to Open – Returns traffic to roadway within 1 hour (weather dependent)
  • Friction – Will maintain existing pavement frictional characteristics
  • Long Service Life – Typical service life expectancy is 3-5 years
  • Dark Color – Resists UV damage to maintain its’ dark color for the life of the product