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Dunlop NDT (DNDT) is an Atlanta based Nondestructive Testing and Material Inspection Firm. Areas of expertise include structural steel inspections of mid-to-high rise structures, special inspections, fabrication shop inspections, component and specialty inspection services.

DNDT utilizes stringent test methods that will not damage the component or structure being inspected. Dunlop NDT’s primary focus is client satisfaction utilizing teams of qualified inspectors, certified project managers and state-of-the-art reporting and quality systems.

DNDT’s principal members have more than 40 years combined industry expertise and have represented some of the most iconic commercial construction projects in the US over their careers to include Mercedes Benz Stadium, NASA, Hartsfield Jackson International Airport and The World Trade Center.

Most of our NDT Services can be performed in-house or onsite and include:

  • Magnetic Particle – Wet or Dry

  • Ultrasonic – Straightbeam, Shearwave & Thickness

  • Liquid Penetrant – Visible Dye or Fluorescent

  • Visual Inspections – Periodic & Continuous

  • Bolting Inspections - Special Inspector S1 & S2

  • Fabrication Plant Inspections

  • Structural Steel Inspections

  • Certified Welding Inspectors

  • Cell Tower Inspections

  • Deck/Joist Inspections


Dunlop NDT has extensive NDT testing experience with many different industry standards and codes to include:

NDT Testing Standards:

  • API – American Petroleum Institute

  • ASME – American Society of Mechanical Engineers

  • ASTM – American Society for Testing and Materials

  • AWS – American Welding Society

  • Client Specified Standards

NDT Testing Codes:

  • 1104 (Welding of Pipelines and Related Facilities)

  • BPVC Section VIII, Section IX

  • Customized Test Services

  • D1.1, D1.2, D1.3, D1.4, D1.5

  • E3, E8, E23, E112, E190, E290, A370

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