● ActiveHVHZ approvedLast checked Oct 21, 2026
Westlake Royal TileSeal HT / MetalSeal HT / Citadel Pro / SwiftAnchor
Florida product approval and Miami-Dade NOA.
Check: Not for recover over an existing membrane; max 180 days exposed; above 6:12 tiles must be loaded on battens. HVHZ approval is from the Miami-Dade NOA; FL14317 is the statewide (non-HVHZ) approval.
FL #FL14317-R15
Miami-Dade NOA25-0407.04
NOA expires08/02/2028In 22 months
Approval details
- Manufacturer
- Westlake Royal Roofing · 7575 Irvine Center Drive, Suite 100, Irvine, CA 92618
- Category
- Roofing · Underlayment · SBS self-adhered
- Approved in HVHZ
- Yes
- Deck type
- Wood (plywood or plank, non-insulated)
- NOA approved
- 11/27/2025 · replaces NOA 25-0204.09
Official documents
PDFMiami-Dade NOA 25-0407.04miamidade.govPDFFL14317-R15 PEER, Westlake Royal Roof Underlayments (non-HVHZ)floridabuilding.org
Verify on floridabuilding.org ↗Products this NOA lists
Westlake Royal TileSeal HT · Westlake Royal MetalSeal HT · Westlake Royal Citadel Pro · SwiftAnchor Mechanically Fastened Base Sheet
Quick answers
What is the FL number for Westlake Royal TileSeal HT / MetalSeal HT / Citadel Pro / SwiftAnchor?
FL14317 (HVHZ). The Miami-Dade NOA is 25-0407.04.
Is Westlake Royal TileSeal HT / MetalSeal HT / Citadel Pro / SwiftAnchor approved in the HVHZ?
Yes, on wood (plywood or plank, non-insulated) decks. The NOA expires 08/02/2028.
Public record. Always verify on the official source before you permit.