Understanding Coating Inspector Certifications
Introduction
In protective coatings work, the quality of inspection directly influences asset longevity and corrosion prevention. Whether inspecting surface preparation on a pipeline, verifying coating thickness on storage tanks, or documenting application in marine or infrastructure environments, accurate assessments help identify defects early, ensure compliance with specifications, and reduce the risk of failures like blistering, undercutting, or premature breakdown.
Coating inspectors play a central role in this process, and formal certification programs provide standardized training, knowledge validation, and credibility. The original NACE Coatings Inspector Program (CIP), developed by NACE International, established a progressive certification pathway that became a global benchmark. After the 2021 merger of NACE and SSPC (The Society for Protective Coatings) to form the Association for Materials Protection and Performance (AMPP), the program evolved into the unified AMPP Coatings Inspector Program (CIP).
This article traces the origins of the NACE CIP structure, explains the key changes following the merger, details the current AMPP levels; Basic Coatings Inspector, Certified Coatings Inspector, and Senior Certified Coatings Inspector; and discusses supervision guidelines and their practical implications for field technicians and engineers in corrosion control.
The Original NACE Coatings Inspector Program Structure
The NACE CIP was designed as a tiered system to build expertise progressively. It focused on protective coatings for industrial applications, including oil and gas pipelines, tanks, bridges, and offshore structures.
The program featured three levels:
Coating Inspector Level 1: Entry-level training covering fundamentals such as surface preparation standards (SSPC-SP or NACE equivalents), coating types, application methods, common inspection instruments, environmental conditions, and basic documentation. Participants learned to perform routine inspections under guidance. This level was not titled "certified" in the credential name, reflecting its role as foundational training rather than full independent status.
Coating Inspector Level 2: Intermediate level building on Level 1 knowledge. It dived into advanced topics like coating defects identification, environmental testing, safety considerations, specification interpretation, and detailed reporting. Like Level 1, it lacked "certified" in the title, positioning it as a step toward greater responsibility while still expecting oversight on complex projects.
Certified Coating Inspector - Level 3: The pinnacle of the program. It required significant experience (typically 5+ years), successful completion of prior levels, and a peer reviewed oral examination conducted by experienced inspectors. This level emphasized leadership, troubleshooting complex issues, supervision of lower-level inspectors, and decision-making in high stakes scenarios. The inclusion of "certified" distinguished it as the only level signifying full professional validation through peer evaluation.
This naming convention underscored progression: Levels 1 and 2 served as training milestones, while Level 3 represented proven expertise capable of independent work and oversight. The structure ensured that inspectors gained practical skills incrementally, aligning with real world demands in corrosion environments.

The 2021 Merger and Transition to AMPP
In 2021, NACE and SSPC merged to form AMPP, combining decades of expertise to create a single, streamlined organization for materials protection and performance. The merger unified overlapping programs, including NACE CIP and SSPC Protective Coatings Inspector (PCI), to reduce redundancy and establish a consistent global standard.
In April 2022, AMPP relaunched the Coatings Inspector Program with updated curricula incorporating the strengths of both legacy programs. Key enhancements included more hands on laboratory exercises (particularly in Level 1), refined course materials, and standardized level titles to better reflect certification status across all tiers.
The new structure maintains equivalence to the originals:
Basic Coatings Inspector (equivalent to NACE CIP Level 1 or SSPC PCI Level 1): Entry-level focus on fundamentals, now with increased practical training for immediate field applicability.
Certified Coatings Inspector (equivalent to NACE CIP Level 2 or SSPC PCI Level 2): Intermediate level, now incorporating "certified" to acknowledge its role in performing inspections with greater independence.
Senior Certified Coatings Inspector (equivalent to NACE CIP Level 3 or SSPC PCI Level 3): Advanced level retaining the peer review oral exam and supervisory capabilities.
Legacy NACE and SSPC certifications remain valid and recognized during the transition period. AMPP encourages holders to migrate to the new credentials for consistency, but all levels are treated as official certifications, not just the highest one. The program continues to emphasize practical skills for inspecting liquid and non-liquid coatings on various substrates using nondestructive and destructive methods.
Current AMPP Coatings Inspector Levels and Their Practical Roles
The AMPP CIP levels align with increasing responsibility, experience, and project complexity. Each level equips inspectors to contribute to corrosion prevention through accurate coating assessments.
Basic Coatings Inspector (CIP Level 1): Focuses on performing basic inspections under supervision. Inspectors learn to use instruments for measuring profile, cleanliness, thickness, and adhesion, while documenting conditions and application parameters. Suitable for routine tasks on projects.
Certified Coatings Inspector (CIP Level 2): Builds advanced capabilities, including defect recognition, specification compliance verification, and reporting for more complex work. Inspectors can handle nondestructive and destructive testing with indirect oversight, contributing to quality assurance on pipelines, tanks, and structures.
Senior Certified Coatings Inspector (CIP Level 3): Demonstrates mastery through peer reviewed expertise. Capable of unsupervised inspections on any substrate, troubleshooting site issues, interpreting standards, and supervising lower level inspectors. Ideal for leading inspections on critical assets where coating failure risks are high.
These levels support corrosion control by ensuring inspections catch issues like inadequate surface prep, improper curing, or contamination, all common contributors to accelerated degradation in aggressive environments.

Supervision Guidelines and Industry Implications
AMPP provides recommended supervision guidelines (technical oversight, not employment supervision) based on certification level, years of inspection experience, and project importance (low-risk/simple, moderate/significant, complex/critical). These are outlined in AMPP resources and aim to balance competence with risk mitigation.
Key elements include:
Direct Supervision: In person technical oversight throughout the assignment. Typically required for Basic Inspectors with 0–24 months experience, especially on moderate or complex projects.
Indirect Supervision: Remote check ins, periodic reviews, or available guidance. Applicable to more experienced Basics (24+ months) on simpler projects, or Certified Inspectors on moderate work.
No Supervision Required: Full independence, standard for Senior Certified Inspectors across all project types, and experienced Certified Inspectors on lower risk assignments.
A typical progression:
Basic (0–24 months): Direct supervision for most work; not suited for supervising others or critical projects.
Basic (24+ months): May shift to indirect for simple tasks.
Certified (24–48 months): Indirect for moderate projects; direct for complex.
Certified (48+ months): Greater independence; can supervise Basics.
Senior Certified: No supervision needed; oversees others and leads on critical projects.
Industry discussions often note that real world practices vary due to project demands, costs, or enforcement differences. Some experienced Basics handle routine jobs independently, while others stress adherence to guidelines to prevent coating failures that could lead to corrosion, leaks, or structural issues. AMPP emphasizes following these recommendations to maintain quality and safety.
Why These Certifications Matter in Corrosion Control
Understanding certification levels helps technicians, engineers, and operators select appropriate personnel for inspections. Entry level inspectors bring fresh knowledge under guidance, while advanced ones provide leadership on challenging applications. In cathodic protection contexts, accurate coating assessments complement CP effectiveness by identifying areas where coatings fail to isolate the structure from corrosive environments.
Conclusion
The evolution from the NACE Coatings Inspector Program to the unified AMPP Coatings Inspector Program reflects ongoing commitment to standardized, progressive training in protective coatings. By clarifying levels, enhancing practical elements, and providing supervision guidelines, the program supports reliable inspections that prevent corrosion and extend asset life.
Roberts Corrosion Services, LLC
Established in 2011, Roberts Corrosion Services, LLC delivers comprehensive, turn-key cathodic protection and corrosion control solutions nationwide. Our end-to-end expertise encompasses design and inspection, installation and repair, surveys and remedial work. We provide drilling services for deep anode installations and a full laboratory for analysis of samples and corrosion coupons, as well as custom CP Rectifier manufacturing.
While our initial focus was on the Appalachian Basin area, we complete field work all over the US. We are a licensed contractor in many states and can complete a wide range of services.
Our biggest strength is in our flexibility for our clients. Solutions and Results.
Let us know how we can help.
Website
LinkedIn
Location: 39.251882, -81.047440
(304) 869-4007



