● CurrentTexas TDILast checked Oct 21, 2026
Mueller, Inc. 3" Rib Mueller Trapezoidal Lock (MTL) 22-gauge and 24-gauge Steel Panels Installed over Open Steel Purlins
RC-615 · Mueller, Inc.
TDI reportRC-615
Effective07/01/2023
Valid until07/31/2027
Details
- Maker
- Mueller, Inc.
- Category
- Metal
- Issued by
- TDI
Products in this report
3" Rib Mueller Trapezoidal Lock (MTL) 22-gauge and 24-gauge Steel Panels Installed over Open Steel Purlins
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.