Standard for Professional Water Damage Restoration


What is the S500?

The IICRC S500 is the industry Standard for Professional Water Damage Restoration. It is created by a group of volunteers in the restoration industry, each with a diverse background. After a peer review process, it receives ANSI accreditation and is published by the IICRC. The standard is on the 5th Edition, published in 2021, and is used by everyone who participates in the restoration and insurance repair industries including contractors, insurance professionals, attorneys, legislatures and more! ​

Purchase the S500

There are 3 options to purchase the IICRC S500. Print, PDF, or Subscription. If you purchase a subscription, use our referral code REME during checkout!

Note: Standard Subscriptions are purchased directly from the IICRC.


  • Physical Copy
  • Printed Book
  • S500 Standard Only


  • Access to ALL standards
  • Online Reading
  • Search standards
  • Highlight, Bookmark, Make Notes

Use our referral code REME when checking out!


  • Digital Copy
  • Read on Your Computer
  • S500 Standard Only

Learn More About the IICRC S500

You can learn more about the Standard for Water Damage in the video to the right. The Water Restoration Technician (WRT) class is based on the S500. If you want to learn more about water damage restoration, check out the WRT class! 

Standard Outline

The following topics are covered in the Standard

• Principles of Water Damage Restoration
• Microbiology of Water Damage
• Health Effects from Exposure to Microbial Contamination in Water-Damaged Buildings
• Building and Material Science
• Psychrometry and Drying Technology
• Equipment, Instruments, and Tools
• Antimicrobial (biocide) Technology
• Safety and Health
• Administrative Procedures, Project Documentation, and Risk Management
• Inspections, Preliminary Determinations, and Pre-Restoration Evaluations
• Limitations, Complexities, Complications, and Conflicts
• Specialized Experts
• Structural Restoration
• Heating, Ventilating, and Air Conditioning (HVAC) Restoration
• Contents Evaluation, Restoration, and Remediation
• Large or Catastrophic Restoration Projects
• Materials and Assemblies

Frequently Asked Questions

Do I need the S500?

If you are engaging in water damage restoration work, you should have a copy of the standard and be familiar with it.

Should I also take a WRT class?

The Water Restoration Technician course is based on the standard, and teaches technical restoration concepts. If you want to learn water damage restoration, the WRT class is great!

Is it a step-by-step guide?​

The standard is not a step-by-step guide, but it “describes the procedures to be followed and the precautions to be taken when performing water damage restoration in residential, commercial, and institutional buildings, and the systems and personal property contained within those structures.”