• Accreditation:
    • AASHTO(AMRL) for Paving Asphalts
  • DLSI is committed to providing the very best in Paving asphalt related product development, evaluation, testing, and independent laboratory certification for the asphalt industry. Our staff of four has over 40 years of experience in asphalt testing and related services. Testing facilities at our state-of-the-art 2,600 square-foot site located in Merrifield, Virginia include:
    • SHRP Asphalt Binder Testing:
    • Bending Beam Rheometer
    • Dynamic Shear Rheometer
    • Direct Tension
    • RTFOT
    • Brookefield Viscometer
    • Pressure Aging Vessel
  • Traditional asphalt testing. Our staff trained and equipped to perform federal, state DOT, ASTM, and AASHTO test methods.
  • Polymer/Modifier Mixing such as High-Shear Milling and Low-Shear Blending
  • Research related testing in asphalt binder and hot mix materials
  • Complete Training Services: SHRP methods, ASTM methods, QA/QC, AASHTO Pavement Design Guide(Flexible Pavements)
  • Technology Transfer Services: DLSI and Pebblecrest Material Services(PCMS) have teamed up to act as a liaison between producers and customers to facilitate implementation of new paving asphalt related products.

Please consult our testing schedules for a complete list services.