● ActiveHVHZ approvedLast checked Oct 21, 2026
McElroy Metal Medallion-Lok 24 ga Steel
Florida product approval and Miami-Dade NOA.
Check: Rated to only -71.25 psf, lower than most standing seam panels; check your design pressures before specifying.
Miami-Dade NOA23-0112.08
NOA expires04/17/2028In 18 months
Approval details
- Manufacturer
- McElroy Metal · 1500 Hamilton Road, Bossier City, LA 71111
- Category
- Roofing · Metal · Steel snap-lock standing seam, 24 ga.
- Approved in HVHZ
- Yes
- Deck type
- Wood (19/32" plywood or plank)
- NOA approved
- 03/02/2023 · replaces NOA 18-0327.11
Official documents
PDFMedallion-Lok Installation ManualInstall instructions · mcelroymetal.comPDFMedallion-Lok Product DataData sheet · mcelroymetal.com
Verify on floridabuilding.org ↗Products this NOA lists
Medallion Lok Panel · Snap Lock Clip
Quick answers
Is McElroy Metal Medallion-Lok 24 ga Steel approved in the HVHZ?
Yes, on wood (19/32" plywood or plank) decks. The NOA expires 04/17/2028.
Public record. Always verify on the official source before you permit.