● ActiveHVHZ approvedLast checked Oct 21, 2026
GAF Master Flow Aluminum Ridge Vent
Florida product approval and Miami-Dade NOA.
Check: Mechanically attached over asphalt shingles; max 33 ft mean roof height.
FL #FL5027-R18
Miami-Dade NOA22-0411.05
NOA expires07/17/2027In 9 months
Approval details
- Manufacturer
- GAF · 1 Campus Drive, Parsippany, NJ 07054
- Category
- Roofing · Ventilation · Aluminum ridge vent
- Approved in HVHZ
- Yes
- Max mean roof height
- 33 ft
- NOA approved
- 06/23/2022 · replaces NOA Renews and revises NOA 20-0130.05
Official documents
PDFMiami-Dade NOA 22-0411.05miamidade.govPDFGAF Florida approval FL5027-R18, Master Flow ventilation productsgaf.com
Verify on floridabuilding.org ↗Products this NOA lists
GAF Master Flow Ridge Vent Aluminum · GAF Master Flow End Plug/Connector For Aluminum Ridge Vent · GAF Master Flow Joint Connector Strap For Aluminum Ridge Vent
Quick answers
What is the FL number for GAF Master Flow Aluminum Ridge Vent?
FL5027 (HVHZ). The Miami-Dade NOA is 22-0411.05.
Is GAF Master Flow Aluminum Ridge Vent approved in the HVHZ?
Yes, up to a 33 ft mean roof height. The NOA expires 07/17/2027.
Public record. Always verify on the official source before you permit.