Certifying Ongoing Improvements (WPI-8)

The Texas Department of Insurance (TDI) administers the Windstorm Inspection Program and issues Certificates of Compliance (WPI-8) for ongoing improvements.

1. Identify if the Improvement Qualifies

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2. Notify TDI Before Work Begins

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3. Get a Free Inspection

A TDI appointed inspector may need to inspect your property.

4. Certificate Issued

What Qualifies as an Ongoing Improvement?


Ongoing improvements include:

  • New structures, and
  • The following changes to existing structures:
    • Alterations
    • Remodeling
    • Enlargement
    • Repairs (including reroofing)
    • Additions

If the improvement does not qualify as ongoing, it may qualify as completed. A person lacking a WPI-8 for a completed improvement may apply to TWIA for a WPI-8-C. Learn more.

construction men working on house repairs

Obtaining a WPI-8 for Ongoing Improvements


To obtain a Certificate of Compliance (WPI-8), an ongoing improvement must be inspected to certify that it is fully compliant with the windstorm building code. Property owners should follow the steps below to obtain a WPI-8:

  • Notify TDI to begin the WPI-8 process before beginning ongoing improvements.
  • Inspections of ongoing improvements may be performed by a TDI appointed qualified inspector; visit the TDI website for a list of TDI appointed qualified inspectors.

Some types of repairs may be minor or involve only a small portion of the structure and do not require a WPI-8. TDI provides a list of items that do not require an inspection on their website.