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Protective Linings for Industrial Coating Contractors | 00 - Course Overview
Last Updated: 09/18/2026
AirSprayTech Academy Protective Linings Certificate Program emblem

AirSprayTech Academy Certificate Program

Protective Linings for Industrial Coating Contractors

From Surface Preparation to Immersion Service

Learn how protective-lining systems are selected, specified, prepared, applied, inspected, repaired, and placed into service in demanding industrial environments.

Begin the 20-Article Course Take the Final Assessment
Built for working contractors: This course explains the practical decisions behind industrial protective-lining work. It connects coating selection, surface preparation, application, inspection, safety, documentation, and maintenance.

What Is a Protective Lining?

A protective lining is a coating system installed on the interior or containment surface of a tank, vessel, pit, secondary-containment area, pipe, process structure, or concrete surface. It separates the substrate from the material being stored, processed, or contained.

Unlike many atmospheric coatings, protective linings may remain in constant contact with water, chemicals, fuels, wastewater, process liquids, or abrasive solids. A small defect can allow the service material to reach the substrate and begin corrosion, contamination, blistering, delamination, or structural deterioration.

Important: This course provides contractor education. It does not replace the project specification, the lining manufacturer's written instructions, applicable safety requirements, or the decisions of the owner and qualified corrosion professionals.

Who This Course Is For

Industrial Coating Contractors

Understand the complete lining project instead of treating the work as simply applying a thicker coating.

Applicators and Crew Leaders

Learn how preparation, environmental conditions, mixing, technique, curing, and testing affect performance.

Project Managers and Estimators

Recognize the labor, equipment, access, safety, inspection, and documentation requirements that belong in the job plan.

Owners and Facility Personnel

Understand what should be specified, inspected, documented, and maintained after the lining enters service.

The 20-Article Course

  1. Protective Linings: What They Are and Why They Fail
  2. Understanding the Lining Service Environment
  3. Reading a Protective-Lining Specification
  4. Selecting a Lining for the Material Being Contained
  5. Epoxy Linings and Where They Are Used
  6. Novolac Epoxy Linings for Severe Chemical Service
  7. Vinyl Ester and Polyester Lining Systems
  8. Polyurethane, Polyurea, and Elastomeric Linings
  9. Cementitious and Specialty Lining Systems
  10. Inspecting Steel and Concrete Before Lining Work Begins
  11. Preparing Steel for Protective-Lining Application
  12. Preparing Concrete for Protective Linings
  13. Moisture in Concrete: When a Lining Should Not Be Applied
  14. Environmental Conditions, Dew Point, and Condensation Control
  15. Mixing, Induction Time, Pot Life, and Material Temperature
  16. Applying High-Build and Plural-Component Linings
  17. Stripe Coating, Edges, Welds, Penetrations, and Difficult Areas
  18. Film Thickness, Recoat Windows, Curing, and Return to Service
  19. Inspecting Protective Linings
  20. Final Acceptance, Repairs, and Lining Maintenance

How to Complete the Certificate Program

  1. Read all 20 course articles.
  2. Complete the knowledge check included with each article.
  3. Take the final assessment.
  4. Earn a score of 80% or higher.
  5. Submit the Certificate of Completion request.

Complete the Course

1 Read the 20 course articles.
2 Complete the final assessment with a score of 80% or higher.
3 After passing, submit your Certificate of Completion request.

Safety Comes First

Protective-lining work may involve confined spaces, hazardous atmospheres, chemical exposure, respiratory hazards, flammable materials, high-pressure spray equipment, abrasive blasting, elevated work, electrical equipment, and high-voltage holiday testing.

Contractors must follow the project safety plan, safety data sheets, equipment instructions, applicable regulations, and the requirements of their respiratory-protection, hazard-communication, lockout/tagout, and permit-required confined-space programs.

Begin with Article 1 Final Assessment Certificate Request

Copyright © 2026 Azimuth Spray Systems, LLC. All Rights Reserved.

No part of this course may be reproduced, copied, distributed, republished, stored, transmitted, or used in any form or by any means without prior written permission from Azimuth Spray Systems, LLC, except for brief quotations used with proper attribution.

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 > Protective Linings for Industrial Coating Contractors | Article 02 of 20 - Understanding the Lining Service Environment
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 > Protective Linings for Industrial Coating Contractors | Article 11 of 20 - Preparing Steel for Protective-Lining Application
 > Protective Linings for Industrial Coating Contractors | Article 12 of 20 - Preparing Concrete for Protective Linings
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 > Protective Linings for Industrial Coating Contractors | Article 14 of 20 - Environmental Conditions, Dew Point, and Condensation Control
 > Protective Linings for Industrial Coating Contractors | Article 15 of 20 - Mixing, Induction Time, Pot Life, and Material Temperature
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 > Protective Linings for Industrial Coating Contractors | Article 17 of 20 - Stripe Coating, Edges, Welds, Penetrations, and Difficult Areas
 > Protective Linings for Industrial Coating Contractors | Article 18 of 20 - Film Thickness, Recoat Windows, Curing, and Return to Service
 > Protective Linings for Industrial Coating Contractors | Article 19 of 20 - Inspecting Protective Linings
 > Protective Linings for Industrial Coating Contractors | Article 20 of 20 - Final Acceptance, Repairs, and Lining Maintenance
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