The Applied Technical Services and our Family of Companies (ATS FoC) offers complete corrosion under insulation (CUI) services to help identify corrosion risks early before failures halt system operations. When moisture is trapped underneath insulation, hidden corrosion risks can lead to wall loss and leakage costly repairs, and unplanned downtime.
Our corrosion under insulation system aligns with industry standards, including API RP 583, API 570, API 571, AMPP/NACE SP0198 and the applicabale ASTM standards and ASME codes.
What Kind of Corrosion Under Insulation Services Does ATS Offer?
At ATS, our CUI services offers a structured, risk-based approach to identifying, assessing, and managing corrosion risks.
Our CUI services include:
- Asset inventory and criticality assessments
- Risk-based inspection (RBI) methods
- CUI susceptibility evaluations
- Inspection planning, scheduling, and prioritization
- Nondestructive testing (NDT)
- Data collection and reporting
- Ongoing degradation monitoring
What NDT Methods Are Used During Corrosion Under Insulation (CUI) Inspection Services?
ATS enables clients to assess insulated assets with minimal insulation removal and operational disruption. Our inspectors target the most corrosion-prone areas using advanced NDT methods, such as:
- Pulsed Eddy Current (PEC)
- Guided Wave Testing
- Infrared Thermography
- Visual Inspection (VT)
- Real-Time Radiography (RTR)
- Ultrasonic Thickness Testing (UTT)
Technical Excellence Backed by Quality Assurance
With nearly 60 years of experience, ATS delivers inspection, engineering, and NDT expertise to support CUI programs across oil and gas, petrochemical, power generation, manufacturing, pulp and paper, and pipeline industries. We help organizations reduce risk, improve reliability, and protect critical assets throughout their service life.
ATS is ISO/IEC 17025:2017-accredited through the A2LA and operates under an ISO 9001:2015-registered quality management system.
Contact Us
Ready to get started with corrosion under insulation services? Contact ATS by submitting our webform or call one of our experienced customer service experts at +1 (888) 287-5227 today.

