● CurrentTexas TDILast checked Oct 21, 2026
Alliance Steel LT 3.3 Steel Roofing Panels Installed Over Steel Purlins or Steel Girts
RC-517 · Alliance Steel
TDI reportRC-517
Effective08/01/2025
Valid until08/31/2029
Details
- Maker
- Alliance Steel
- Category
- Metal
- Issued by
- TDI
Products in this report
LT 3.3 Steel Roofing Panels Installed Over Steel Purlins or Steel Girts
Official document
Needed for roofs in the Texas coastal counties (15) that require a windstorm inspection (WPI-8). All Texas evaluations →
Public record. Always verify on the official source before you permit.