WPI-8 Windstorm Certification in Orange, TX
Orange County • Wind Zone II (130 mph)
Licensed professional engineers providing fast WPI-8 and WPI-8E windstorm certification for residential and commercial properties in Orange. TDI applications for ongoing and completed construction, serving Orange County with 14-day standard or 5-day rush service. Call (409) 245-5797.
Windstorm Certification Requirements
- WPI-8 or WPI-8E windstorm certification required for all new construction
- Re-roofing projects must include TDI certification documentation
- Sabine River proximity — flood zone construction standards coordinate with windstorm certification
- Building permit applications must reference TDI compliance
Applicable Building Codes
International Residential Code (IRC) 2021
International Building Code (IBC) 2021
28 TAC Chapter 5 (TDI Windstorm Inspection Rules)
Orange County windstorm and flood provisions
Common Projects We Certify
Orange Windstorm Certification FAQs
Do I need windstorm certification in Orange, TX?
Yes. Properties in Orange (Orange County) fall within Wind Zone II (130 mph), which means TDI windstorm certification is required for new construction, re-roofing, and major exterior modifications. WPI-8 certification is for ongoing construction, while WPI-8E applies to construction that has been completed. Call (409) 245-5797 to verify your property's requirements.
How long does WPI-8 certification take in Orange?
Our standard turnaround is 14 days from deposit to TDI submission for Orange properties. Rush service is available with a 5-day turnaround. The on-site inspection typically takes 30-60 minutes depending on project complexity. Call (409) 245-5797 to schedule.
What building codes apply to windstorm construction in Orange?
Construction in Orange must comply with the International Residential Code (IRC) 2021, International Building Code (IBC) 2021, 28 TAC Chapter 5 (TDI Windstorm Inspection Rules), and Orange County windstorm and flood provisions. Our licensed engineers verify compliance with all applicable codes during the certification process.
How do I get a building permit in Orange for a windstorm-area project?
Building permits in Orange are handled by City of Orange Building Department. TDI windstorm certification must be submitted with your permit application for construction in designated catastrophe areas. Contact City of Orange Building Department at (409) 883-1046 for permit requirements, or call us at (409) 245-5797 to start your certification.
Can you certify a completed roof or addition in Orange?
Yes. If construction in Orange has been completed without certification, we can perform a WPI-8E (completed construction) inspection. Our licensed engineers will verify that the work meets current wind resistance standards and submit the certification to TDI. Call (409) 245-5797 to discuss your project.
Turnaround Time
5-14 days (Rush 5 days / Standard 14 days from deposit)